Right now at Carl Black Roswell you can save $100 when you purchase a set of four tires. Some of the eligible brands available are: Bridgestone, Continental, Dunlop, Firestone, General, Goodyear, Hankook, Michelin and Pirelli. Come enjoy the great prices and great savings at Carl Black Roswell.

Immediate savings at the time of purchase. Valid only at participating Southeast Region Atlanta Buick GMC DMA dealers. Valid on all makes and models. See dealer for details. Must present coupon at time of purchase. Offer expires 9/30/2011. Not valid in conjunction with any other offers. Excludes other GM dealers. Instructions to Dealer: Dealers should not print off coupons for customers. For each $40 cash rebate given by your dealership by 9/30/2011, GM will reimburse your dealership $40 through the warranty system. GWN Submission: Labor Operations Code: z2310 Transaction Type ZSSP. Receive a $60 mail-in rebate (debit card) for the purchase of a set of four select brandname tires. See dealer for eligible tire brands. Ask us for details and rebate form, which must be postmarked by 10/31/2011. Allow 6-8 weeks for delivery of debit card. Offer ends 9/30/2011.

Join us at Carl Black Roswell this Saturday July 23rd from 9am – 4pm as we partner with Operation Homefront to give back to those serving in our military. With the help of the National Charity League and Ally Financial, Carl Black has stuffed one thousand backpacks with school supplies for the children of military personnel.

Lunch is on us and we will have plenty of FREE activities for the kids, including face painting.  At 12 noon, Country music artist Josh Thompson will take the stage for a FREE acoustic performance of his top country hits. Also displayed on site will be two beams from the fallen Twin Towers which will be used in the First Responders Memorial. Bring the whole family out to Carl Black Roswell on the Alpharetta Highway and help us celebrate and support our military families.

One of Carl Black’s favorite new artists, Josh Thompson will be Live on the Lot at Carl Black Roswell this Saturday for a FREE acoustic performance of his hits “Beer on the Table”, “Way Out Here” and his current single “Won’t Be Lonely Long”.   Josh’s hard work ethic and blue collar lifestyle gave him plenty of hard earned material to write or co-write all of the songs on his debut album Way Out Here.  And did we mention that he drives a Carl Black truck?  Gotta love that!

Come see Josh Thompson, Live on the Lot at Carl Black this Saturday, July 23.  Stage goes live at 12:00 high noon.

MIAMI – Buick this evening reveals the production version of the 2012 Regal GS, an even sportier expression of the Regal sport sedan that went on sale earlier this year and has attracted new buyers to the Buick family. Powered by a high-output, exclusive Ecotec 2.0L turbocharged engine mated to a six-speed manual transmission, the GS delivers an estimated 255 horsepower (190 kW) and 295 lb.-ft. of torque for a 0-60 mph performance of less than seven seconds (estimated). Buick’s Interactive Drive Control System is standard on the GS, allowing drivers to customize the driving experience by changing the suspension settings and steering sensitivity between three modes: standard, sport and GS.

“Built on the performance foundation of the Regal, the Regal GS was designed as an even sportier expression of responsive performance and style,” said John Schwegman, vice president of Buick marketing. “The driving experience is powerful and spirited; and the GS represents the next entry in Buick’s product renaissance.”

The Regal GS will be unveiled this evening at a consumer event in Miami. It goes on sale in the second half of 2011. Pricing has not yet been announced.

The exterior design features unique front and rear fascias, with the front fascia incorporating prominent, vertical air intake slots and specific grille treatment – with the vertical elements accented in a satin-metallic finish. The rear fascia has a pair of integrated, satin-metallic trapezoidal exhaust outlets. Rocker panel extensions and an integrated rear spoiler are also woven into the design. The GS cuts a sportier stance, too, with a slightly lower ride height than other models and aggressive 19-inch, 5-Twin Spoke alloy wheels and all-season tires (20-inch, 5-Twin Spoke polished alloy wheels with performance tires are optional).

Inside is a racing-inspired, flat-bottom sport steering wheel and metal sport pedals, along with leather-appointed 12-way power-adjustable sport driver and front passenger heated seats, which include four-way power lumbar. The GS-specific black interior is accented with satin-finish elements on the instrument panel, steering wheel and console, while the instrument panel glows white when the driver engages the GS mode of the Interactive Drive Control System (IDCS).

Turbocharging and HiPerStrut

Power for the Regal GS comes from a high-output version of the Ecotec 2.0L turbocharged DOHC VVT engine with direct injection technology. It is based on the engine that will be available on Regal CXL later this year, but the engine and turbocharger are tuned to deliver greater boost pressure in the GS. The output is rated at 255 horsepower (190 kW) and 295 lb.-ft. of torque (400 Nm). A three-inch-diameter exhaust system provides reduced back pressure, resulting in higher engine power.

Direct injection technology helps the engine deliver more power through increased efficiency, while maintaining fuel economy and lowering emissions. That means less fuel is consumed and lower emissions generated – including a 25-percent drop in cold-start hydrocarbon emissions. Variable valve timing optimizes power, efficiency and emissions across the entire rpm band.

“We’ve been combining direct injection and variable valve timing with boosted engines since 2006, and there’s no question the Regal GS turbo has the responsiveness and acceleration of a 3.5L V6, while delivering the fuel economy of a 2.0L four,” said Mike Anderson, Ecotec global chief engineer and program manager.

The engine is mated to a standard six-speed manual transmission. A six-speed automatic transmission will be available later.

The Regal GS rides on a relatively long wheelbase of 107.8 inches (2738 mm), which delivers refined, well-balanced vehicle dynamics. It also features a four-wheel-independent suspension, with a unique High Performance Strut (HiPerStrut) front suspension design. The HiPerStrut system helps reduce torque steer and maintain negative camber during cornering; the driver experiences reduced torque steer, improved grip and increased cornering power, along with crisper handling, steering precision and feedback.

The four-link independent rear suspension is designed to minimize unwanted toe and camber effects during spirited driving maneuvers, enhancing vehicle stability. Both front and rear dampers incorporate active Computer Damping Control (CDC), continuously changing damper characteristics to maintain optimal vehicle ride control over varying road surfaces and profiles. More aggressive, performance-oriented damping characteristics can also be selected by the driver through the Interactive Driver Control System.

Braking power comes from a large diameter four-wheel disc brake system featuring Brembo front calipers. A standard, four-channel anti-lock brake system is tuned to reduce stopping distances over varied road surfaces and conditions. An electronic parking brake is actuated via a center console-mounted control. The Regal GS also features standard StabiliTrak stability control system with integrated, full-function traction control.

Interactive Drive Control System

The Regal GS is also equipped with Interactive Drive Control System (IDCS) chassis technology (also offered on other Regal models with the 2.0L turbo engine). It delivers enhanced vehicle stability and greater driving safety. The driver selects among three operating modes – standard, sport and GS – that change the suspension settings, and steering sensitivity through the variable-effort steering system.

A sophisticated driving mode control module continually monitors driving style utilizing yaw rate, lateral and longitudinal acceleration, steering wheel, throttle and vehicle speed. It defines the dynamic vehicle state, including acceleration, braking and cornering, to optimize chassis reactions. It also executes all of the IDCS driver selections. All four dampers are electronically controlled and continuously adapt within milliseconds to the prevailing road conditions, vehicle movements and individual driving style.

Selecting GS mode optimizes the car for dynamic driving, tightening the suspension and steering response. “Standard,” or the default mode, is the setting for all-around use. The sport mode provides a level of performance between standard and the GS modes.

A new, premium Denali model joins the GMC Acadia lineup for 2011, adding a new dimension of luxury and exclusivity to this popular crossover. It brings the distinctive Denali design elements, including a chrome honeycomb grille and monochromatic exterior color cues, along with exclusive fascias, high-intensity discharge headlamps and unique interior features.

“The GMC Denali models have come to stand for luxury and exclusivity, and that’s just what customers will get in the new Acadia Denali,” said Lisa Hutchinson, GMC product marketing director. “The decision to develop an Acadia Denali was made quickly within the new GM in response to customer and dealer demand for a Denali version ever since the launch and success of the Acadia.”

Indeed, the Acadia continues to win over customers. In a still-recovering market, Acadia sales were up nearly 45 percent in the first quarter of 2010, making it second in brand sales to only the broad Sierra range of trucks.

In addition to the new Acadia Denali, the Acadia is offered in two cloth trims, SL and SLE, and leather trims designated SLT1 and SLT2. All models are available in front-wheel-drive and all-wheel-drive with seven- or eight-passenger seating configurations. A comprehensive safety system includes six standard air bags and standard StabiliTrak electronic stability control system with traction control and rollover mitigation technology.

Acadia at a glance

Acadia’s body-frame integral structure enables lower entry/exit height for passengers. Despite the vehicle’s SUV-like front-end height, the front door step-in height is only 18.9 inches (480 mm); the rear door step-in height is 19.8 inches (503 mm). Entry to the second- and third-row seats is easy with very wide rear doors and GM’s exclusive Smart Slide second-row seat feature.

All models are powered by a 3.6L V-6 VVT engine that uses gasoline direct injection technology to optimize performance and fuel economy. The engine is paired with Acadia’s fuel-saving six-speed automatic transmission to help give FWD models an EPA-estimated 24 mpg on the highway. The Acadia also is capable of towing up to 5,200 pounds (2364 kg), when properly equipped.

Acadia’s interior exudes refinement and attention to detail, with many thoughtful features designed into a finely crafted environment. A car-like “low and away” instrument panel enhances the feeling of openness in the front-row seats and provides a commanding outward view. The instrument panel and other interior elements feature high-quality, low-gloss materials and tight gap tolerances.

Acadia Denali details

The 2011 Acadia Denali is available in front-wheel-drive and all-wheel-drive models, as well as seven- and eight-passenger seating configurations. It stands out with its signature Denali design cues, highlighted by the monochromatic exterior and chrome honeycomb grille.

Further distinction comes with 20-inch, two-tone chrome-clad wheels. The six-spoke wheels feature black chrome spoke inserts set against bright chrome. It is offered in five exterior colors: Quicksilver Metallic, Summit White, Carbon Black, Red Jewel Tintcoat and White Diamond Tricoat.

Seating and storage

All Acadia models offer three rows of seating that can be configured for seven or eight passengers, regardless of the trim level. The seating configurations include two front bucket seats, a 60/40-split second-row bench (three passengers) or two second-row captain’s chairs (two passengers) and a 60/40-split third-row bench seat. Generous storage space of 24.1 cu. ft. (682 liters) is available behind the third-row seat (with the cargo management removed).

GM’s exclusive Smart Slide feature is standard on all second-row configurations, allowing quick and easy access to the third-row seating area. The second-row seat cushion flips up while the seatback slides forward, effectively compressing the space occupied by the seat with the pull of a lever. The Smart Slide system also allows the second row to be positioned fore/aft. When adjusted rearward, the second-row seat provides more legroom for taller passengers; when adjusted forward, it provides more storage space or additional legroom for third-row passengers. Seating space is sufficient for adults in all positions.

Access to the third-row seat also is aided by Acadia’s rear door width, which is wider than the doors on most other SUVs. The vehicle’s long wheelbase also enables greater accessibility. The rear door opening was maximized by reducing the space between the rear door and the leading edge of the door opening. Engineers were able to maximize the opening space while providing optimal chassis integrity for maximum occupant protection.

Along with comfort and ease of entry, Acadia’s interior offers generous cargo room, including 115.9 cu. ft. (1,382 L) when the second- and third-row seats are folded flat and the cargo management removed. Additional storage is also available in a covered rear cargo convenience center behind the third row that allows items to be stored out of sight beneath the rear cargo floor.

Ride and handling

Acadia rides on a long 118.9-inch (3,020.7 mm) wheelbase and wide 67.28-inch (1,709 mm) front/rear tracks – a combination that lowers the center of gravity and enables smooth, stable ride and handling. Sharp reflexes are also supported by independent front and rear suspensions. The front suspension features a MacPherson strut design, with a direct-acting stabilizer bar and aluminum knuckles. Isolated mounting points help reduce noise and vibration.

The rear suspension uses a compact, state-of-the-art linked “H” design, which uses an isolated mounting system to reduce noise and vibration transmitted to the passenger compartment. This design enables the handling prowess that comes with an independent suspension, but with minimal floor pan intrusion – a feature that helps the Acadia offer generous passenger and cargo space.

Acadia features standard power-assisted rack-and-pinion steering, with variable-effort steering available. The suspension and steering system meet the road via standard 18-inch wheels and tires, with 19-inch wheels available. Four-wheel disc brakes with ABS are standard.

Acadia’s available Intelligent AWD system enhances dry-road handling and provides increased traction on wet, snow and ice-covered roads. It actively manages the torque distribution between the front and rear axles, based on factors such as wheel speed, throttle and surface conditions. There is no driver intervention; the system automatically decides how much torque to apply and it automatically delivers torque to the wheels that have the best traction. The AWD system’s tuning is revised to provide more rear torque bias during certain driving conditions.

Safety

Acadia’s 360-degree safety system helps protect passengers before, during and after a crash. A strong structure is the foundation, while a wide stance and low center of gravity helps reduce the likelihood of a rollover. Acadia’s structure is reinforced in numerous areas with high-strength steel, including a stiff steel cross-car beam welded across the floor between the B-pillars. It also uses dual-phase steel in select areas, such as the lower engine compartment rails. Dual-phase steel is strengthened in the paint oven and offers easier formability, reduced mass, greater strength and better crash energy absorption than most high-strength steels.

Acadia is equipped with six standard air bags: two dual-stage frontal air bags for the driver and front passenger; two seat-mounted side-impact air bags in the first row; and two head curtain side-impact air bags that cover all three seating rows. The head curtain side air bags are among the longest air bags in any production vehicle.

Complementing the air bags is GM’s rollover sensing system, which can preemptively activate the side-impact air bags if sensors determine a rollover is imminent. In the event of a rollover, the air bags stay inflated longer to provide increased occupant containment.

Acadia also comes standard with OnStar 9.0 (with a six-month Directions and Connections plan including Turn-by-Turn navigation and Destination Download) that features Automatic Crash Response.

Acadia is covered by GM’s five-year/100,000-mile powertrain warranty and three-year/36,000-mile bumper-to-bumper warranty – the best coverage in America.

GMC Sierra Denali 2500HD and 3500HD – the first offerings of the exclusive Denali line on a heavy-duty GMC pickup – lead a new Sierra heavy-duty truck lineup for 2011. The comprehensively redesigned roster of 2011 Sierra 2500HD and 3500HD trucks includes a new, more powerful 6.6L Duramax turbo diesel that delivers 397 horsepower (296 kW) at 3,000 rpm and 765 lb.-ft. of torque (1,037 Nm) at 1,600 rpm.

The new Sierra Denali HD is the latest expression of GMC’s Denali philosophy of blending capability with premium features and styling,” said Lisa Hutchinson, GMC product marketing director. “It is a premium tool that offers many comfort and infotainment features, along with a maximum towing capacity of 21,700 pounds with the more powerful Duramax diesel.”

The new Denali HDs are crew cabs available only in the 2500 series (3/4-ton), 2WD and 4WD configurations, as well as the 3500 Series (1-ton) 2WD and 4WD in both single-rear-wheel and dually versions. The 3500 series is also available in standard (6-foot 6-inches) and dually long box (8-foot) versions. A Vortec 6.0L gas V-8/six-speed automatic powertrain is standard and the new Duramax 6.6L turbo diesel/Allison 1000 six-speed transmission powertrain is available on all Denali HDs.

The iconic Denali four-bar, chrome grille with round air inlets distinguishes the Sierra Denali HDs on the outside, along with body-color bumpers, chrome door handles, chrome accents and 17- (Dually), 18- and 20-inch polished forged aluminum wheels. On the inside they include Denali-specific brushed aluminum trim, power-adjustable pedals, a Bose premium surround audio system and 12-way power seats. Along with an optional heated steering wheel, heated and cooled leather-appointed seating is available. The exterior is offered in three colors: Black, Stealth Gray and White.

The balance of the new 2011 Sierra HD lineup is identified on the outside by new, three-bar grilles and powertrain-badged louvered hoods, along with a revised, full-width chrome steel front bumper and a new family of 17-, 18- and 20-inch wheels. It’s beneath the skin, however, where they are truly separated from their predecessors – and the competition.

“GMC has been one of the industry’s strongest truck brands for more than 100 years, and we back the 2011 Sierra HDs with a comprehensive five-year/100,000-mile powertrain warranty that provides the best coverage in America,” said Hutchinson. “From greater diesel power to the segment-best warranty, these trucks deliver strength and peace of mind on all fronts.”

Greater Capability

“You can see by the ratings numbers that the Sierra HD lineup is more capable, but the trucks are also better performers in the intangible qualities that bond owners with their trucks,” said Rick Spina, vehicle line executive. “They accelerate quicker – especially when fully loaded – stop more confidently and deliver a smooth, quiet driving experience that you have to experience to fully appreciate.”

Eleven all-new, fully boxed frame assemblies improve durability and ride characteristics; and support increased capabilities.

The frames have increased cross sections and use more high-strength steel for greater durability, higher towing capacity and improved ride and handling; the front sections are hydroformed. The bending and beaming stiffness of the frames is increased 92 percent and 20 percent, respectively, with the fully boxed sections enhancing torsional stiffness by a factor of five. Also, larger engine and transmission mounts, coupled with a 125-percent-stiffer front frame structure, provide greater vibration control, while hydraulic body mounts are incorporated under the cab section on extended and crew cab models for a more isolated feel inside.

Engineers addressed common customer and aftermarket uses when designing the new frames, including adding access holes to the rear frame section to enable easier installation of fifth-wheel/gooseneck-style hitches. Also, the frame-mounted hitch for conventional trailering is stronger, with a box-tube design. It supports up to 17,000 pounds (7,711 kg).

New, stronger front suspension enables snow plow installation on all 4WD models.

A completely redesigned independent front suspension system offers up to a 25-percent greater front axle weight rating – up to 6,000 pounds (2,721 kg) front gross axle weight rating (FGAWR) – so a snow plow can be used on all 4WD cab configurations with the available snow plow prep package. Sierra’s signature short-long arm/torsion bar front suspension design is retained, but now features new, forged steel upper control arms that are stronger and lighter than their predecessors.

The new lower control arms are made of precision-machined cast iron to handle the greater loads. Five different torsion bar rates support five different front gross axle weight ratings (a single torsion bar was previously used for all models). This helps stabilize the range of trim heights of various models under load, while enhancing appearance, handling, durability, tire wear and alignment. The trim height is adjusted on each bar via a single bolt, easily allowing the height to be changed to account for the weight of a snow plow or other accessories.

The Sierra HD front suspension now uses a pair of urethane jounce bumpers on each side, instead of one, for improved load management; and there’s a new upper shock mount attachment design that’s positively connected to the frame with two fasteners. This design eliminates squeaks and clunks, while supporting higher load capability and increased durability.

Compared to competitors’ beam-axle front suspensions, the Sierra’s independent front suspension provides a better ride, more accurate trim height control (with fewer parts) and greater flexibility to adjust the alignment for weight and tire sensitivity.

New, asymmetrical leaf-spring rear suspension supports greater loads.

Matching the Sierra HD’s greater strength and capability is a rear suspension designed to support greater loads. It features a new, larger asymmetrical leaf-spring design that also contributes to improved ride and handling characteristics. The asymmetrical design is derived from unequal front and rear spring half lengths, which minimize axle hop and enhance traction control efficiency.

The 2500HD models feature a two-stage leaf-spring design, while 3500HD models have a three-stage design. All models feature 3-inch-wide (76 mm) leaf springs that are 20-percent wider than previous models. The larger leaf-spring design supports increased rear gross axle weight ratings across the board. On the 2500HD models, the rating is 6,200 pounds (2,818 kg) – up from 6,084 (2,765). On 3500HD models, the rating increases to 7,050 pounds (3,204 kg) on single-rear-wheel models and 9,375 pounds (4,261 kg) on dual-rear-wheel models – the latter representing a nearly 14-percent increase over the previous 8,200-pound (3,727 kg) rating.

Sierra HDs deliver a more refined driving experience.

Longer wheelbases – ranging from 133.6 inches (3,395 mm) to 167.7 inches (4,259 mm) – and wider front/rear tracks enhance the ride and handling characteristics of the Sierra 2500HD and 3500HD, giving them a greater feeling of smoothness and control. The longer wheelbases and wider tracks are complemented by the new, stiffer frames, new jounce bumpers, shock mounts and hydraulic body mounts to provide a solid, smooth and isolated driving experience. New shocks were specially valved to support the new trucks’ weight ratings, while balancing excellent ride characteristics.

A revised steering system designed to support the trucks’ greater front gross axle weight rating also enhances the driving experience. It includes a new, larger steering gear, power steering pumps and linkages. The pumps (different parts for gas and diesel models) deliver greater pressure for reduced steering effort in low-speed and parking maneuvers; they are also quieter. On some models, the new linkages feature a compliant joint added at the pitman attachment to enhance handling.

New 6.6L Duramax turbo diesel

The workhorse Duramax 6.6L turbo diesel V-8 is more powerful and durable for 2011, delivering 397 horsepower (296 kW) at 3,000 rpm and 765 lb.-ft. of torque (1,037 Nm) at 1,600 rpm. It also produces lower emissions and offers B20 biodiesel capability that promotes a domestically produced renewable fuel.

Sierra HD’s selective catalytic reduction after-treatment system delivers better overall diesel performance, with a range of about 5,000 miles (8,000 km) between DEF refills. Its optimized combustion and after-treatment process provides about 700 miles (1,125 km) between diesel particulate filter regenerations.

New Allison 1000 six-speed automatic transmission

The enhanced Allison 1000 is strengthened to handle the higher torque capability of the new 6.6L Duramax engine, while also helping to improve fuel economy and provide seamless assistance with a new exhaust brake system. Greater efficiency is delivered through reduced “spin loss” – meaning, the transmission channels more of the engine’s power to the axles, allowing it to do more with less fuel.

The Allison 1000 also features driver shift control with tap up/tap down shifting and a patented elevated idle mode cab warm-up feature. Also, the tow/haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads. The six-speed configuration retains its two overdrive gears for optimal efficiency.

Performance with the Duramax/Allison combination is also improved over previous models, with preliminary testing showing 0-60 mph times of less than 9 seconds and quarter-mile times of less than 16 seconds in 2500HD models. That’s about 0.3-second and 0.5-second quicker, respectively, than previous models.

Vortec 6.0L/Hydra-Matic 6L90 six-speed powertrain is standard on all models.

The Vortec 6.0L gas V-8 with variable valve timing returns to the new Sierra HDs, along with a strengthened version of the Hydra-Matic 6L90 six-speed automatic transmission. This combination delivers excellent performance and efficiency, with a greater emphasis on low-rpm power. It is enhanced for 2011 with greater idle refinement.

The engine is rated at 360 horsepower (268 kW) at 5,400 rpm and 380 lb.-ft. (515 Nm) at 4,200 rpm in trucks with GVWRs up to 10,000 pounds. It is rated at an estimated 322 horsepower (240 kW) at 4,400 rpm and 380 lb.-ft. of torque (515 Nm) at 4,200 rpm in trucks with GVWRs greater than 10,000 pounds.

Brake feel and performance is greatly improved.

The standard four-wheel disc system is completely revamped to deliver smoother, more immediate and confident-feeling performance. Four-wheel, four-channel ABS is standard on all single-rear-wheel models and a three-channel system is standard on dual-rear-wheel models. The front and rear rotors are larger in diameter – 14 inches (355 mm) – and width on all models to support their increased capacity, weight ratings and trailering ratings, while the calipers are stiffer and stronger.

The revised hydroboost brake booster calibration reduces pedal effort, and the revised travel of the pedal provides a more comfortable, confident feel. Larger wheel hub and bearing assemblies complement the new brake system, and the rear rotors attach to the wheel hubs for easier servicing.

‘Smart’ exhaust brake provides greater control and reduces brake pad wear.

A new standard feature on Duramax-equipped models is the “smart” exhaust brake. This driver-selectable feature uses the turbine control of the variable geometry turbocharger and the compression of the engine to generate backpressure, slowing the vehicle without applying the brakes. It is integrated with the cruise control feature, and varies the braking to account for the grade and vehicle load. The exhaust brake allows for virtually effortless driving and towing, with seamless and quiet operation. It also helps prolong brake life and prevents overheating the brakes on long, downhill grades.

Safety features include trailer sway control system and hill start assist.

The trailer sway control system provides an added measure of confidence when towing a trailer. The system senses conditions of trailer sway and intervenes with braking and/or reduced engine power to bring the trailer under control and keep it on its intended path. The system uses electric trailer brakes when a trailer is plugged into the standard wiring harness of the truck, and its performance requires no input from the driver.

The hill start assist system is automatically engaged when sensors detect the vehicle is on a grade of about 5 percent or greater. It holds the brakes for about 1.5 seconds or until the gas pedal is pressed, preventing rollback. It is particularly effective when towing, giving the driver time to switch from the brake pedal to the gas pedal without rolling.

Broad lineup – inside and out.

For 2011, the Sierra heavy-duty lineup expands to include 12 2500HD models and nine single- and dual-rear-wheel 3500HD models – including a new 3500HD Crew Cab with a 6.5-foot cargo box. Other models are offered in WT, SLE and SLT trim levels, while popular features such as the EZ Lift tailgate and rearview camera system are retained.

The interiors have excellent attention to detail and are quieter – thanks to the range of the truck’s enhancements. The stronger chassis, quieter Duramax engine and even details like a quieter power steering pump contribute to the Sierra HD delivering exceptional quietness.

Along with quietness, Sierra HD models are designed for work. The interiors feature numerous storage compartments, providing covered access for everything from work gloves to laptops. For those who use their truck as a mobile office, Sierra HDs deliver with available mobile WiFi, USB connectivity, Bluetooth connectivity, XM Satellite Radio and a navigation system. Multiple charge points enable multiple electronic devices to operate simultaneously; and when equipped with the available navigation system, XM NavTraffic offers real-time updates of traffic conditions (in selected areas) that can help plan the most effective route to the job site.

Ready for the long haul – and the cold.

The 2011 Sierra HDs drive farther without stopping to refuel. A new, 36-gallon (136 L) fuel tank is standard on all models and, with the improved fuel efficiency of the powertrains, enables a cruising range of about 680 miles (1,090 km) with the Duramax 6.6L. Cold-weather customers will appreciate the Duramax 6.6L’s quick, reliable start-up, with a starting time on par with gas engines. Its glow plug cycle time is the segment’s best in all temperatures, taking no more than 3 seconds in temperatures as low as -20 F (-29 C). There’s also a cab heat-up feature that allows the engine to idle faster in low temperatures to warm the interior more quickly.

The best warranty coverage in America.

All 2011 Sierra 2500HD and 3500HD trucks work under the best warranty coverage in America: a five-year/100,000-mile limited powertrain warranty, plus roadside assistance, courtesy transportation and other features that provide assurance that GMC backs its trucks for everything the road offers.

Armed with turbocharged horsepower, a driver-selectable suspension system and a firm, European-tuned chassis, the all-new Buick Regal delivers a driving experience that rivals the best import sport sedans in the segment.

“The 2011 Buick Regal is like nothing you’ve ever experienced from this brand,” said Roger McCormack, director of product marketing for Buick. “The Regal is the next chapter in Buick’s transformation and will expand the portfolio to include a modern sport sedan.”

The new Regal takes on competitors such as the Acura TSX and Volvo S60. It has a longer wheelbase and greater trunk volume than those vehicles, along with standard features – including a six-speed automatic transmission, 18-inch alloy wheels and OnStar – that aren’t offered standard on either competitor. And with an estimated 30 mpg on the highway, it delivers excellent fuel economy, too.

The Regal’s development is rooted in Germany, where the globally led engineering team created the award-winning Opel Insignia – the 2009 European Car of the Year. The Insignia has garnered more than 31 prestigious awards and is the best-selling midsize sedan in Europe. Regal will bring all of Insignia’s award-winning design, technology and European-inspired performance capabilities to the American market.

Design story

The Regal’s sleek body design blends the sweeping silhouette and proportions of a coupe in a progressive package that suggests motion from all angles. Great attention to detail complements that aggressive styling, with tailored applications of Buick’s signature design cues, such as the waterfall grille, select use of chrome trim and superior fit and finish of the exterior panels.

“Regal is all about great proportions,” said John Cafaro, design director, passenger car. “For example, the fenders are flared to wrap around the tires, an aggressive stance that people aren’t used to seeing in recent Buicks.”

The car’s performance-oriented spirit is also conveyed in sleek, sculpted body-side detail and aggressive headlamps that further suggest motion. At the rear, an abbreviated deck and tucked-in body panels are the hallmarks of a contemporary sport sedan, with bold taillamps and their intricate lighting elements reinforcing Regal’s attention to detail. Eighteen-inch alloy wheels are standard.

The sweeping design motif carries over to the interior, where the side panels flow uninterrupted into the instrument panel. The instruments have the look of expensive sport timepieces and are lit with ice-blue LED lights. The center stack, housing the climate and “infotainment” controls, was designed to allow for a lower, driver-centric instrument panel profile. Features such as a thick-rimmed, leather-wrapped steering wheel and firm, highly bolstered and leather-covered seats also support the sport-oriented driving experience.

“There is great design harmony between the exterior and interior,” said Cafaro. “The feeling of flow and motion carries through in an engaging manner that makes you want to take the Regal out to your favorite twisting road to see what it can do.”

A breakthrough interior

The Regal’s finely crafted, sporty and well-appointed interior builds on the exceptional attention to detail found in the Enclave and LaCrosse, blending signature styling cues with contemporary sport sedan aesthetics.

Regal’s firm, highly bolstered seats were benchmarked against the top import competitors for comfort and support, while a standard flow-through center console offers plenty of storage for passengers in the front and back.

Smart applications of technology are also hallmarks of the Regal, including details such as an available multi-function controller on the center console for operation of the audio system, navigation system and Bluetooth or OnStar hands-free calling. The faceplate for the “infotainment” screen is set at a 30-degree angle to contribute to the car’s flowing interior design.

A new era in Buick design is also seen in the satin metallic, piano black and new, Kibo-patterned interior trim materials. Kibo is a rich, dark, progressively grained wood that lends an international flair to the Regal.

Under the hood

Unique with its all-four-cylinder powertrain, the Regal relies on the excellent horsepower-per-liter ratio of the Ecotec engine family to deliver smart, on-demand performance that is also very efficient.

Both the standard 2.4L engine and the available 2.0L turbo use direct injection technology to optimize performance, reduce emissions and maximize fuel efficiency. The 2.0L turbo is FlexFuel-capable, meaning it can run on gasoline, E85 ethanol or any combination of the two fuels.

The 2.4L is the same engine offered in the Buick LaCrosse, but in the smaller, lighter Regal, it delivers more agile performance. The 2.0L turbo cements the sport sedan credibility of the Regal, with on-demand power comparable to a V-6, but the inherent efficiency of a four-cylinder. To ensure responsive power across the rpm range, the 2.0L turbo uses a twin-scroll turbocharger that builds power quickly at lower rpm.

Distinct, uniquely calibrated six-speed automatic transmissions are paired with each engine as standard equipment. Both offer driver shift control that enhance the sporty driving feel of the Regal. Models with the 2.0L turbo are also offered with an optional six-speed manual transmission.

Driving experience

The chassis and structural systems were developed in Germany and give the Regal the handling and dynamics of a premium European sport sedan, as well as the quiet, refined ride and road manners expected of a Buick. The body structure is one of the most rigid in the segment, which is approximately 25-percent stiffer than the previous Regal. This solid structure supports more precise suspension tuning and a quieter ride.

A relatively long wheelbase of 107.8 inches (2738 mm) gives the Regal refined, well-balanced vehicle dynamics and supports comfortable ride tuning. Additionally, an independent MacPherson strut-type front suspension with single-path mountings and hydraulic ride bushings; a four-link independent rear suspension; hydraulic rack-and-pinion steering; and optimized four-wheel disc brakes are optimized to the capability of the individual powertrains and tailored to the expected use by drivers. Models equipped with the 2.0L turbo engine, for example, feature larger brakes.

Latest-generation electronic stability control (ESC or StabiliTrak), anti-lock brake system (ABS) and traction control system (TCS) are standard with Buick’s innovative, Interactive Drive Control real-time damping system offered on CXL Turbo.

Interactive Drive Control System

Regal’s Interactive Drive Control System chassis technology (available on CXL Turbo) offers enhanced vehicle stability and greater driving safety. It is designed to change the personality of the car based on the personality of the driver. A sophisticated driving mode control module continually monitors driving style utilizing yaw rate, lateral and longitudinal acceleration, steering wheel, throttle and vehicle speed. It defines the dynamic vehicle state, including acceleration, braking and cornering, to optimize chassis reactions. It also executes all of the driver selections.

All four dampers are electronically controlled and continuously adapt within milliseconds to the prevailing road conditions, vehicle movements and individual driving style. Chassis settings are adjustable by the driver, with Standard, Tour and Sport settings.

Interactive Drive Control allows the driver to choose between three different operating modes that change the suspension and stability settings, throttle response, shift pattern and steering sensitivity through the variable effort steering system.

Selecting “Sport” mode optimizes the car for dynamic driving, tightening the suspension and steering response and speeding up the reaction of the automatic transmission. The “Tour” mode is optimal for long-distance cruising or rough road conditions, providing an increase in comfort. “Standard” or Default Mode is the perfect all-around setting for daily commuting and city traffic. The other major benefit of Interactive Drive Control is that it automatically adapts Regal’s performance settings to individual driving styles. When a driver begins to drive more aggressively it will tighten the suspension and increase steering effort and change to a more aggressive throttle response. When the vehicle senses that the driver is doing relaxed cruising, it adjusts settings for rolling smoothness and comfort.

Apart from a more rewarding driving experience, Interactive Drive Control also offers safety benefits in emergency situations. For example, if an obstacle must be avoided when the car is in Tour mode, various chassis sensors convey this to the DMC and the dampers are stiffened within milliseconds, delivering greater body control.

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