2008 Pontiac G8
2 trims · Sedan
Starting MSRP
$26,910 – $29,310
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How much should you pay for the Pontiac G8? Select a trim to update purchase and lease estimates.
MSRP by trim
Select a trim to update the payment estimates. MSRP is for each trim's base configuration and excludes destination, taxes, and options.
Purchase information
Based on Base
Total price (Base MSRP)
$26,910
Typical monthly
$533/mo
Avg. APR
7.00%
60-month loan estimate for good credit (rates as of 2026-07-11). Not a credit offer; actual APR varies by lender, credit, and dealer.
Open loan calculatorCompare 2008 Pontiac G8 trims
Base
- MSRP
- $26,910
- Fuel economy (city/hwy)
- 17/25
- Horsepower
- 256 hp
- Torque
- 248 lb-ft
- Engine
- 3.6L V6 gas
- Seating
- 5
- Drivetrain
- RWD
- Cargo (cu ft)
- 17.5
- Max towing
- 2,000 lbs
GT
- MSRP
- $29,310
- Fuel economy (city/hwy)
- 15/24
- Horsepower
- 361 hp
- Torque
- 385 lb-ft
- Engine
- 6L V8 gas
- Seating
- 5
- Drivetrain
- RWD
- Cargo (cu ft)
- 17.5
- Max towing
- 2,000 lbs
| Spec | Base | GT |
|---|---|---|
| MSRP | $26,910 | $29,310 |
| Fuel economy (city/hwy) | 17/25 | 15/24 |
| Horsepower | 256 hp | 361 hp |
| Torque | 248 lb-ft | 385 lb-ft |
| Engine | 3.6L V6 gas | 6L V8 gas |
| Seating | 5 | 5 |
| Drivetrain | RWD | RWD |
| Cargo (cu ft) | 17.5 | 17.5 |
| Max towing | 2,000 lbs | 2,000 lbs |
Manufacturer specifications by trim and drivetrain. Same trim names with different MSRPs are distinct FWD/AWD (or other drivetrain) configurations from the catalog. MSRP excludes destination fees, taxes, and dealer-installed options.
Full specifications
Engine & drivetrain
- Engine type
- BasegasGTgas
- Fuel type
- Baseregular unleadedGTregular unleaded
- Cylinders
- BaseV6GTV8
- Displacement
- Base3.6 LGT6 L
- Horsepower
- Base256 hpGT361 hp
- Torque
- Base248 lb-ftGT385 lb-ft
- Transmission
- Base5-speed shiftable automaticGT6-speed shiftable automatic
- Drivetrain
- Baserear wheel driveGTrear wheel drive
Dimensions
- Body type
- BaseSedanGTSedan
- Doors
- Base4GT4
- Seating
- Base5GT5
- Length
- Base196.1 inGT196.1 in
- Width
- Base74.8 inGT74.8 in
- Height
- Base57.7 inGT57.7 in
- Wheelbase
- Base114.8 inGT114.8 in
Capacity & weight
- Cargo capacity
- Base17.5 cu ftGT17.5 cu ft
- Max cargo capacity
- Base17.5 cu ftGT17.5 cu ft
- Max towing
- Base2,000 lbsGT2,000 lbs
- Curb weight
- Base3,885 lbsGT3,995 lbs
- Fuel tank
- Base19 galGT19 gal
Fuel economy & EV
- Combined MPG
- Base20GT18
- City MPG
- Base17GT15
- Highway MPG
- Base25GT24
| Spec | Base | GT |
|---|---|---|
| Engine & drivetrain | ||
| Engine type | gas | gas |
| Fuel type | regular unleaded | regular unleaded |
| Cylinders | V6 | V8 |
| Displacement | 3.6 L | 6 L |
| Horsepower | 256 hp | 361 hp |
| Torque | 248 lb-ft | 385 lb-ft |
| Transmission | 5-speed shiftable automatic | 6-speed shiftable automatic |
| Drivetrain | rear wheel drive | rear wheel drive |
| Dimensions | ||
| Body type | Sedan | Sedan |
| Doors | 4 | 4 |
| Seating | 5 | 5 |
| Length | 196.1 in | 196.1 in |
| Width | 74.8 in | 74.8 in |
| Height | 57.7 in | 57.7 in |
| Wheelbase | 114.8 in | 114.8 in |
| Capacity & weight | ||
| Cargo capacity | 17.5 cu ft | 17.5 cu ft |
| Max cargo capacity | 17.5 cu ft | 17.5 cu ft |
| Max towing | 2,000 lbs | 2,000 lbs |
| Curb weight | 3,885 lbs | 3,995 lbs |
| Fuel tank | 19 gal | 19 gal |
| Fuel economy & EV | ||
| Combined MPG | 20 | 18 |
| City MPG | 17 | 15 |
| Highway MPG | 25 | 24 |