2008 Pontiac G8
US · Large Cars
The 2008 Pontiac G8 is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 3.6L 6-cylinder, 6.0L 8-cylinder
- Power
- Not available
- Torque
- Not available
- Transmission
- Automatic
- Drivetrain
- RWD
- Fuel
- Gasoline
- Seating
- Not available
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 3.6L 6-cylinder, 6.0L 8-cylinder | |
| Displacement | 3.6 L to 6.0 L | |
| Cylinders | 6 to 8 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Not available from our sources: Aspiration, Power, Torque.
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 5 to 6 | |
| Drivetrain | RWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 20 mpg (11.8 L/100 km) to 18 mpg (13.1 L/100 km) | EPA fueleconomy.gov |
| City | 17 mpg (13.8 L/100 km) to 15 mpg (15.7 L/100 km) | |
| Highway | 25 mpg (9.4 L/100 km) to 24 mpg (9.8 L/100 km) |
Not available from our sources: Electric range, Battery capacity.
Trims and configurations
2 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 4 recall campaigns for this model year. Last checked October 16, 2026.
15V399000: SEAT BELTS
General Motors LLC (GM) is recalling certain model year 2011-2013 Chevrolet Caprice vehicles manufactured October 15, 2010, to October 22, 2013, and 2008-2009 Pontiac G8 vehicles manufactured July 25, 2007, to February 18, 2009. In the affected vehicles, the flexible steel cables that connect the seat belts to the vehicle at the outside of the driver seat and the front passenger seat may be…
Remedy: GM will notify owners, and dealers will replace the seat belt tensioner assembly which includes the steel cable, free of charge. These replacement parts reposition the tensioner cable out of the path of entry into the vehicle and uses a…
Reported June 23, 2015. View on NHTSA
14V540000: ELECTRICAL SYSTEM:IGNITION
General Motors LLC (GM) is recalling certain model year 2011-2013 Chevrolet Caprice vehicles manufactured October 15, 2010, to December 6, 2013, and 2008-2009 Pontiac G8 vehicles manufactured July 25, 2007, to February 18, 2009. In the affected vehicles, the driver may accidentally hit the ignition key with their knee, unintentionally knocking the key out of the run position, turning off the…
Remedy: GM will notify owners, and dealers will remove the key blade from the original flip key/RKE transmitter assemblies, and cut and fit a revised key blade and housing assembly, in which the blade has been indexed by 90 degrees, to the…
Reported September 9, 2014. View on NHTSA
11V534000: AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE
GENERAL MOTORS (GM) IS RECALLING CERTAIN MODEL YEAR 2008-2009 PONTIAC G8 VEHICLES MANUFACTURED FROM NOVEMBER 2, 2007 THROUGH JANUARY 22, 2009. A 5TH PERCENTILE FEMALE ANTHROPOMORPHIC TEST DEVICE (ATD) IN A 30 MPH FRONTAL BARRIER TEST EXCEEDED THE HEAD INJURY CRITERIA (HIC) REQUIREMENTS OF THE STANDARD. WITH THE FRONT PASSENGER SEAT POSITIONED FULL FORWARD, THE SEAT POSITION SENSOR WILL CAUSE A…
Remedy: GM DEALERS WILL REPROGRAM THE SENSING AND DIAGNOSTIC MODULE FREE OF CHARGE. THE SAFETY RECALL BEGAN ON NOVEMBER 30, 2011. OWNERS MAY CONTACT PONTIAC AT 1-800-620-7668.
Reported November 4, 2011. View on NHTSA
09V172000: SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE
GM IS RECALLING 35,038 MY 2008-2009 PONTIAC G8 VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT" AND FEDERAL MOTOR VEHICLES SAFETY STANDARD NO. 138, "TIRE PRESSURE MONITORING SYSTEMS". THE BRAKE PEDAL POSITION SWITCH MAY HAVE BEEN INCORRECTLY PROGRAMMED. WITH THIS CONDITION, THE BRAKE…
Remedy: DEALERS WILL REPROGRAM THE BRAKE POSITION SENSOR AND THE REMOTE CONTROL DOOR LOCK RECEIVER WITH THE CORRECT VALUES FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN ON OR BEFORE JUNE 5, 2009. OWNERS MAY CONTACT GM PONTIAC AT 1-800-620-7668.
Reported May 21, 2009. View on NHTSA
Data sources
- NHTSA vPIC · retrieved October 16, 2026 · US Government public data
- EPA fueleconomy.gov · retrieved October 16, 2026 · US Government public data
Source checked: October 16, 2026
Data verified: October 16, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 2009 Pontiac G8
Gasoline
Varies by configuration: 3.6L 6-cylinder, 6.0L 8-cylinder, 6.2L 8-cylinder · RWD
20 mpg (11.8 L/100 km) to 15 mpg (15.7 L/100 km)
Frequently asked questions
What engine does the 2008 Pontiac G8 have?
Varies by configuration: 3.6L 6-cylinder, 6.0L 8-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2008 Pontiac G8?
Combined fuel economy is 20 mpg (11.8 L/100 km) to 18 mpg (13.1 L/100 km), as published by the source shown in the specification table.
Is the 2008 Pontiac G8 front-wheel, rear-wheel or all-wheel drive?
Drivetrain: RWD.
Are there recalls for the 2008 Pontiac G8?
NHTSA lists 4 recall campaigns for this model year (last checked October 16, 2026). Details are in the Recalls section.