2008 Pontiac Grand Prix
US · Midsize Cars
The 2008 Pontiac Grand Prix 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 3.8L 6-cylinder, 5.3L 8-cylinder
- Transmission
- 4-speed automatic
- Drivetrain
- FWD
- Fuel
- Gasoline
- Economy
- 19 mpg (12.4 L/100 km) to 21 mpg (11.2 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 3.8L 6-cylinder, 5.3L 8-cylinder | |
| Displacement | 3.8 L to 5.3 L | |
| Cylinders | 6 to 8 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 4 | |
| Drivetrain | FWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 19 mpg (12.4 L/100 km) to 21 mpg (11.2 L/100 km) | EPA fueleconomy.gov |
| City | 16 mpg (14.7 L/100 km) to 18 mpg (13.1 L/100 km) | |
| Highway | 25 mpg (9.4 L/100 km) to 28 mpg (8.4 L/100 km) |
Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
2 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 1 recall campaign for this model year. Last checked November 9, 2026.
14V400000: ELECTRICAL SYSTEM:IGNITION
This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) notified the agency on July 3, 2014, that they are recalling 5,877,718 model year 2000-2005 Chevrolet Impala and…
Remedy: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 9, 2014. GM's number for this recall is 14350.
Reported July 3, 2014. View on NHTSA
Data sources
- NHTSA vPIC · retrieved October 16, 2026 · US Government public data
- EPA fueleconomy.gov · retrieved November 8, 2026 · US Government public data
Source checked: November 8, 2026
Data verified: November 8, 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
- 2007 Pontiac Grand Prix
Gasoline
Varies by configuration: 3.8L 6-cylinder supercharged, 3.8L 6-cylinder, 5.3L 8-cylinder · FWD
21 mpg (11.2 L/100 km) to 19 mpg (12.4 L/100 km)
Frequently asked questions
What engine does the 2008 Pontiac Grand Prix have?
Varies by configuration: 3.8L 6-cylinder, 5.3L 8-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2008 Pontiac Grand Prix?
Combined fuel economy is 19 mpg (12.4 L/100 km) to 21 mpg (11.2 L/100 km), as published by the source shown in the specification table.
Is the 2008 Pontiac Grand Prix front-wheel, rear-wheel or all-wheel drive?
Drivetrain: FWD.
Are there recalls for the 2008 Pontiac Grand Prix?
NHTSA lists 1 recall campaign for this model year (last checked November 9, 2026). Details are in the Recalls section.