2008 Pontiac G8

Overview

As Pontiac's new flagship, the all-new Pontiac G8 is an authentic performance sedan. With its balanced rear-wheel drive performance, dynamic design, unexpected standard content and leading-edge safety technology, G8 is the new power play in the premium midsize segment. For 2008, G8 is available in two models: - G8. - G8 GT.

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Top Ten Features

  • 1. Rear-wheel drive This is the layout of choice for high-performance cars. Rearwheel drive’s more even weight distribution improves performance by enhancing cornering and braking. Acceleration is enhanced by weight transfer to the rear drive wheels, which improves traction.
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  • 2. 6.0L V8 Provides 361 hp and 385 lb.-ft. of torque to take maximum advantage of G8’s rear-wheel drive layout. Active Fuel Management seamlessly shuts down four of the eight cylinders during cruising for improved fuel economy.
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  • 3. New RWD platform This new, nextgeneration global platform is designed specifically for RWD sedans. The stiff, unitized structure is the foundation for G8’s outstanding handling and excellent fit-and-finish.
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  • 4. Near-perfect weight distribution Both the G8 and GT have near 50/50 front-to-rear weight distribution. This ideal balance contributes significantly to G8’s precise steering and impeccable handling.
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  • 5. GT The ultimate expression of G8 power, performance and design. Includes the 6.0L V8, 6-speed automatic transmission with Drive Shift Control and Sport Mode and distinctive design cues.
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  • 6. Performance-tuned suspension Fully independent system uses MacPherson struts front and progressive rate coil-overshocks rear. Direct-acting front and decoupled rear stabilizer bars and high lateral stiffness in rear provide truly world-class handling.
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  • 7. Spacious interior Despite its trim exterior size, the G8 provides remarkable interior room. Front Sport bucket seats are wellbolstered and extremely comfortable.
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  • 8. Leading-edge safety Includes six air bags, active front head restraints, break-away pedals, collapsible steering column, StabiliTrak with full-function traction control, ABS, tire pressure monitoring and more.
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  • 9. OnStar with AACN Standard on both models. Customers can upgrade to Directions & Connections Plan which includes OnStar Turn-by-Turn Navigation.
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  • 10. World-class quality Fit-and-finish is superb. With its jewelry-like gauges and satin and chrome trim, the interior offers a level of sophistication not often found in the G8’s price range.
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Power & Handling

  • G8 3.6L VVT DOHC V6 World-class engine features an extensive use of aluminum, double overhead camshafts and Variable Valve Timing for maximized performance across the power band. - 256 hp @ 6300 rpm. - 248 lb.-ft. torque @ 2100 rpm. - 17/25 estimated city/hwy mpg. - 0-60 mph (estimated): 7.0 seconds. - 1/4-mile time/speed (estimated): 15.3 seconds/91 mph.
  • G8 5-speed automatic transmission Includes Driver Shift Control and Sport Mode, which holds gears for maximum power when exiting corners.
  • GT 6.0L V8 SFI Standard in GT, this small-block V8 is uniquely configured for the G8 GT. Active Fuel Management seamlessly shuts down four cylinders during cruising for an optimum combination of power and fuel economy. True dual exhaust system reduces back pressure which improves acceleration. - 361 hp @ 5300 rpm. - 385 lb.-ft. torque @ 4400 rpm.- 15/24 estimated city/hwy mpg. - 0-60 mph (estimated): 5.3 seconds. - 1/4-mile time/speed (estimated): 13.8 seconds/101 mph.
  • 6-speed automatic transmission Also includes Driver Shift Control and Sport Mode. This performance-designed transmission has a 6.1.1 gear spread, two overdrive gears and a 2.92 final drive ratio.
  • Rear-wheel drive Design provides enhanced performance, ride and handling. Combined with near 50/50 weight distribution and new RWD platform, G8 provides outstanding ride and handling.
  • Performance-tuned independent suspension Front suspension uses a MacPherson strut design with directacting stabilizer bar. The rear is a 4-link progressive rate coil-over-shock system with decoupled stabilizer bar and lateral ball joints which deliver increased lateral stiffness for enhanced handling.
  • Limited-slip differential Standard on GT, it provides control during hard cornering or performance driving by gradually transferring power to the rear wheels with the most traction.
  • Power rack-and-pinion steering Steering rack is mounted ahead of the front axle, which contributes to tighter cornering and superior handling. G8 needs just 2.8 turns lock-to-lock and turns within a tight 37.4' diameter.
  • All-speed traction control Regulates wheel spin using engine torque intervention and brakes. Standard on both models.
  • Tire Pressure Monitoring System Standard on both models, the system constantly monitors all four tires and transmits data to the DIC.
  • StabiliTrak stability control Standard on both models. Provides both performance and safety benefits by helping the driver keep the car headed in the intended direction and reduce understeer and oversteer.
  • High-performance brakes Ventilated, 4-wheel disc brakes with ABS, EBA, EBD and full-function traction control are standard on both models. G8 discs are 11.73" front and 11.89" rear; GT discs are 12.64" and 12.76". Both systems use two-piston front and single-piston rear calipers.
  • Wheels and tires. Standard on G8: 18" silver-painted split-spoke aluminum wheels with all-season tires. Summer-only performance tires are optional. - Standard on GT: 18" machine-faced 5-spoke aluminum wheels with silver-painted insets and summer-only performance tires. All-season touring tires are optional. - Available on GT: 19" machine-faced 5-spoke aluminum wheels with summer-only performance tires.
  • Rear-seat center armrest Includes a wide writing table/armrest with two cup holders. Included and only available as part of (PCQ) Premium Package.
  • Premium interior appearance Attention to detail is evident in the extra-tight gaps, jewelry-like gauges and satin and chrome appointments. Firm seats deliver excellent comfort during long drives.
  • Compass Integrated into the inside rearview mirror on both models.
  • Seating Onyx cloth seats are standard and leatherappointed seating is available on both models along with heated front seats. GT cloth seats include matching inserts. GT also offers a two-tone leather treatment that pairs black hues with Red inserts and, in certain combinations, includes color-matched instruments. Four-way power front seats are standard on both models. Six-way power front seats are available as part of (PCQ) Premium Package.
  • Driver Information Center Positioned between the large speedometer and tachometer, the DIC provides language selection, oil life monitor, driver warning messages as well as many other information and personalization choices.
  • Cruise control Electronic set and resume speed system is standard on both models.
  • Tilt/telescopic steering wheel Allows drivers of all sizes to find the right driving position. Includes steering wheelmounted audio, cruise and DIC illuminated controls.
  • Dual-zone climate control Available on G8, standard on GT.
  • Power tilt-sliding sunroof Available on both models as a free-flow option.

Comfort And Convenience

  • Distinctive performance-oriented styling G8 has an athletic, planted stance. Sleek, muscular styling features bold hood scoops, distinctive fender vents, bulging wheel wells, rear spoiler, fog lamps and Pontiac’s trademark twinport grille finished in real metal. G8 provides bright dual polished stainless steel exhaust tips while GT is finished with quad polished stainless steel exhaust tips.
  • Six exterior colors Stealth Blue Metallic, Liquid Red, Panther Black Metallic, Ignition Orange Metallic, Magnetic Gray Metallic and White Hot.
  • Projector-beam halogen headlamps Feature jewel-like design and daytime running lamps. Standard on both models.
  • Projector-beam halogen fog lamps Provide enhanced forward visibility and are standard on both models.
  • Remote Vehicle Start Standard on both G8 and GT. Includes an approximately 150' range and shuts off after 10 minutes if ignition is not activated.
  • Driver-oriented cockpit Gauges are positioned for easy line-of-site reading. Heavily bolstered sport bucket seats hold driver in place during performance driving.
  • Rear-seat pass-through Includes dual cup holders and allows longer cargo items, like skis, to be carried inside the vehicle with the trunk lid closed.
  • AM/FM stereo with CD player Features a 5" multifunction display and auxiliary input jack for iPod/MP3 players. Standard on G8.
  • AM/FM stereo with in-dash, 6-disc CD/MP3 player Provides a 6.5" color LCD screen with multi-function display and auxiliary input jack for iPod/MP3 players. Standard on GT, included and only available with (PDD) Comfort and Sound Package on G8.
  • 7-speaker Blaupunkt sound system Standard on G8.
  • 11-speaker Blaupunkt premium sound system 230-watt system features two 8" subwoofers. Standard on GT, included and only available with (PDD) Comfort and Sound Package on G8.
  • OnStar Standard one-year Safe & Sound Plan includes OnStar Vehicle Diagnostics, OnStar Hands-Free Calling and Virtual Advisor. Customers may opt for the available Directions & Connections Plan, which provides additional features such as Information/Convenience Services, Ride Assist and Driving Directions delivered through OnStar Turn-by-Turn Navigation.
  • Six air bags Including front side-impact and head-curtain side-impact air bags.
  • Active head restraints Driver and front passenger head restraints are designed to move up and forward to help meet the head in rear collisions and reduce the chance of neck injuries from whiplash.
  • Breakaway pedal Brake pedal is designed to break away and out of the way of the driver’s feet and legs in a frontal collision.
    • comparison chart
    • .
    • Engine
      Horsepower @ rpm
      Torque (lb.-ft.) @ rpm
    • 6.0L V8 SFI, 361 @ 5300, 385 @ 4400
    • 5.7L OHV V8, 340 @ 5000, 390 @ 4000
    • 3.5L V6, 306 @ 6800, 268 @ 4800
    • 5.7L OHV V8, 340 @ 5000, 390 @ 4000
    • Engine Displacement Management
    • S
    • S
    • -
    • S
    • Transmission
    • 6-speed auto.
    • 5-speed auto.
    • 6-speed manual
    • 5-speed auto.
    • Driver Shift Control
    • S
    • S
    • -
    • S
    • Sport Mode
    • S
    • -
    • -
    • -
    • Fuel economy, city/hwy (mpg)
    • 15/24
    • 15/23
    • 17/25
    • 15/23
    • Fuel economy, city/hwy (mpg) available transmission
    • -
    • -
    • -
    • -
    • 0-60 mph performance (sec.)
    • 5.3 est.
    • 6.2
    • 5.6
    • 7.7
    • 1/4-mile performance (sec.)
    • 13.8 est.
    • 14.4
    • 13.9
    • 15.9
    • Drivetrain
    • RWD
    • RWD
    • RWD
    • RWD
    • Wheelbase (in.)
    • 114.8
    • 120.0
    • 112.2
    • 120.0
    • Track, front rear (in.)
    • 62.7/63.3
    • 63.0/63.1
    • 59.8/59.8
    • 63.0/63.1
    • Curb weight (lb.)
    • 3995
    • 4031
    • 3532
    • 4096
    • Front/rear weight distribution
    • 53/47
    • 54/46
    • 53/47
    • 54/46
    • Front suspension
    • Performance-tuned independent MacPherson strut
    • Independent SLA
    • Independent double-wishbone
    • Independent SLA
    • Rear suspension
    • Performance-tuned 4-link progressive rate coil-over-shocks
    • Independent 5-link
    • Independent multi-link
    • Independent 5-link
    • Limited-slip differential
    • S
    • -
    • S
    • -
    • Traction control system
    • S
    • S
    • S
    • S
    • Stability control system
    • S
    • S
    • S
    • S
    • Steering
    • Variable ratio power rack-and-pinion
    • Power rack-and-pinion
    • Power rack-and-pinion; 4-wheel active steer (A)
    • Power rack-and-pinion
    • Turning radius (ft.)
    • 18.7
    • 19.5
    • 17.7
    • 19.5
    • Brakes
    • 4-wheel vented discs w/ ABS, EBA, EBD
    • 4-wheel vented discs w/ ABS, EBA
    • 4-wheel vented discs w/ ABS, EBA, EBD
    • 4-wheel vented discs w/ ABS, EBA
    • Wheels & tires
    • 18" aluminum w/ summer-only performance tires; all-season tires (A)
    • 18" aluminum w/ touring tires; self-sealing all-season tires (A)
    • 18" aluminum w/ all-season front, summer performance rear tires
    • 18" aluminum w/ self-sealing all-season tires
    • Wheels & tires (A)
    • 19" aluminum w/summer-only performance tires
    • 20" aluminum w/ all-season tires
    • -
    • 20" aluminum w/ all-season tires
    • Leather seating surfaces
    • A
    • S
    • S
    • S
    • Two-tone seat inserts
    • A
    • -
    • -
    • -
    • Heated front seats
    • A
    • S
    • A
    • S
    • Dual-zone climate control
    • S
    • S
    • S
    • S
    • Remote vehicle start
    • S
    • A
    • -
    • S
    • Tilt/telescoping wheel
    • S
    • S
    • S
    • S
    • Leather-wrapped steering wheel
    • S
    • A
    • S
    • A
    • Leather-wrapped shift knob
    • A
    • S
    • S
    • A
    • Driver Information Center
    • S
    • A
    • S
    • S
    • 6-disc CD player
    • S
    • -
    • A
    • -
    • MP3-capable CD player
    • S
    • S
    • S
    • S
    • Auxiliary input jack
    • S
    • -
    • S
    • A
    • Audio system speakers
    • 7; 11 (A)
    • 6
    • 6; 10 (A)
    • 6; 7 (A)
    • Subwoofer(s)
    • S
    • A
    • A
    • A
    • Satellite radio
    • -
    • S
    • S
    • S
    • Navigation system
    • -
    • A
    • A
    • A
    • Leg room, front/rear (in.)
    • 42.2/39.4
    • 41.8/40.2
    • 43.9/34.7
    • 41.8/40.2
    • Head room, front/rear (in.)
    • 38.7/38.0
    • 38.7/36.2
    • 40.5/37.7
    • 38.7/38.0
    • Shoulder room, front/rear (in.)
    • 59.1/59.1
    • 59.3/57.6
    • 55.6/55.2
    • 59.4/57.7
    • Hip room, front/rear (in.)
    • 56.7/58.0
    • 56.2/57.6
    • 55.1/53.7
    • 55.9/55.9
    • Trunk capacity (cu. ft.)
    • 17.5
    • 16.2
    • 13.5
    • 17.2
    • Bumper-to-bumper warranty
    • 3/36,000
    • 3/36,000
    • 4/60,000
    • 3/36,000
    • Powertrain warranty
    • 5/100,000
    • Lifetime Limited
    • 6/70,000
    • Lifetime Limited
    • Corrosion warranty
    • 6/100,000
    • 5/100,000
    • 7/unlimited
    • 5/100,000
    • Roadside assistance
    • 5/100,000
    • 3/36,000
    • 4/unlimited
    • 3/36,000
    • Courtesy transportation
    • 5/100,000
    • -
    • Dealer discretion
    • -
    • Frontal air bags
    • S
    • S
    • S
    • S
    • Front side-impact air bags
    • S
    • A
    • S
    • A
    • Head-curtain side-impact air bags
    • S
    • A
    • S
    • A
    • Adaptive headlamps
    • -
    • -
    • A
    • -
    • Daytime Running Lamps
    • S
    • -
    • -
    • -
    • Tire Pressure Monitoring System
    • S
    • S
    • S
    • S
    • Active head restraints
    • S
    • -
    • S
    • -
    • Breakaway pedals
    • S
    • -
    • -
    • -
    • Telematics
    • S (OnStar)
    • -
    • -
    • -
    • Advanced Automatic Crash Notification
    • S (OnStar)
    • -
    • -
    • -

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