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2008 Pontiac G8

2 trims · Sedan

Starting MSRP

$26,910 – $29,310

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Key specifications

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Pricing

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 2026-10-11). Not a credit offer; actual APR varies by lender, credit, and dealer.

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Compare 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

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
Basegas
GTgas
Fuel type
Baseregular unleaded
GTregular unleaded
Cylinders
BaseV6
GTV8
Displacement
Base3.6 L
GT6 L
Horsepower
Base256 hp
GT361 hp
Torque
Base248 lb-ft
GT385 lb-ft
Transmission
Base5-speed shiftable automatic
GT6-speed shiftable automatic
Drivetrain
Baserear wheel drive
GTrear wheel drive

Dimensions

Body type
BaseSedan
GTSedan
Doors
Base4
GT4
Seating
Base5
GT5
Length
Base196.1 in
GT196.1 in
Width
Base74.8 in
GT74.8 in
Height
Base57.7 in
GT57.7 in
Wheelbase
Base114.8 in
GT114.8 in

Capacity & weight

Cargo capacity
Base17.5 cu ft
GT17.5 cu ft
Max cargo capacity
Base17.5 cu ft
GT17.5 cu ft
Max towing
Base2,000 lbs
GT2,000 lbs
Curb weight
Base3,885 lbs
GT3,995 lbs
Fuel tank
Base19 gal
GT19 gal

Fuel economy & EV

Combined MPG
Base20
GT18
City MPG
Base17
GT15
Highway MPG
Base25
GT24

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2008 Pontiac G8 FAQ

How much does the 2008 Pontiac G8 cost?
The 2008 Pontiac G8 has a starting MSRP of $26,910, ranging up to $29,310 for the top trim. Trim pricing includes Base from $26,910; GT from $29,310.
What is the fuel economy of the 2008 Pontiac G8?
The 2008 Pontiac G8 achieves up to 20 MPG combined (EPA estimate), depending on trim and configuration.
How much cargo space does the 2008 Pontiac G8 have?
The 2008 Pontiac G8 offers up to 17.5 cubic feet of cargo capacity, depending on trim and seating configuration.
How much can the 2008 Pontiac G8 tow?
The 2008 Pontiac G8 has a maximum towing capacity of up to 2,000 pounds, depending on trim and equipment.
How many trims does the 2008 Pontiac G8 come in?
The 2008 Pontiac G8 is available in 2 trims across Sedan body styles with rear wheel drive.