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Pontiac G8 vs. Audi A5 / S5 Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Pontiac G8 vs. Audi A5 / S5 Invoice Comparison

Lowest Total Price: $39,995

Pontiac G8 GXP   
Difference: $14,355

Lowest Total Invoice: $37,926

Pontiac G8 GXP   
Difference: $12,756

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092008
ModelG8A5 / S5
TrimGXPS5
Body4dr Sedan2dr Coupe
Base Price $37,610 $50,500
Base Invoice $35,541 $46,966
Metallic paint (extra cost)   475
6-speed shiftable automatic   1,300
Metallic paint (extra cost)   432
6-speed shiftable automatic   1,209
Options (change) 0 1,775
Options (change) 0 1,641
Destination 685 775
Gas Tax 1,700 1,300
Total Price $39,995 $54,350
Total Invoice $37,926 $50,682

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

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TrueDelta Value Comparison: Pontiac G8 vs. Audi A5 / S5

Lowest Adjusted Price and Invoice: Pontiac G8 GXP
TrueDelta Adjusted Price Difference: $10,305
TrueDelta Adjusted Invoice Difference: $8,979
Model Year20092008
ModelG8A5 / S5
TrimGXPS5
Body4dr Sedan2dr Coupe
Engine415hp V8354hp V8
TransmissionT6T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)13/20 MPG16/22 MPG
Audio (watts, speakers)230, 11180, 10
Tire (rear if not all the same)245/40-19255/35-19
Total Price$39,995$54,350
Adjustments for Features0-4,050
Feature-Adjusted Total Price$39,995$50,300
Total Invoice$37,926$50,682
Adjustments for Features0-3,777
Feature-Adjusted Total Invoice$37,926$46,905

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Features Comparison: Pontiac G8 vs. Audi A5 / S5

Model Year20092008
ModelG8A5 / S5
TrimGXPS5
Body4dr Sedan2dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
RWD$0 
AWD $1700
Accessories 
Power rear side windows$200 
Remote start$150 
Universal garage door opener $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Knee airbag, driver $75
Knee airbag, passenger $75
Temporary spare tire $150
Cargo Management 
Cargo net$40 
Second-row low console $100
Climate Control 
Automatic air recirculation $100
Heated windshield washer nozzles $15
Interior air filter $0
Rain-sensing wipers $175
Rear air vents$100 
Rear air vents with automatic controls $250
Variable intermittent wipers$75 
Drivetrain 
Limited-slip rear differential$300 
Exterior 
Hood scoop$100 
Power-venting glass roof panel $300
Rear spoiler$200 
Infotainment 
Aux input$50 
SD Card slot $25
Telematics service, such as OnStar$200 
USB port$25 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75
Auto-dimming passenger-side mirror $75
Auto-dimming rearview mirror $150
Fog light, rear $100
Headlight washers $50
Heated mirrors $25
Outside temperature display $50
Turn signals on or near mirrors $25
Xenon HID headlights $500
Seats and Interior Trim 
Aluminum trim $100
Folding second row seats $300
Leather door panel trim $250
Manual lumbar adjuster, driver seat$50 
Manual lumbar adjuster, passenger seat$50 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Memory system, driver seat $200
Metal pedals$75 
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power recliner, driver seat $100
Power recliner, passenger seat $100
Suspension, Wheels, and Tires 
Alloy wheels $350
Polished alloy wheels$350 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,065$7,115
Value of Feature Adjustments$0$4,050
Value of Feature Adjustments0-3,777

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See a complete comparison of Pontiac G8 vs. Audi A5 / S5 features.

Specifications Comparison: Pontiac G8 vs. Audi A5 / S5

Model Year20092008
ModelG8A5 / S5
Body4dr Sedan2dr Coupe
Wheelbase114.8 in108.3 in
Length196.1 in182.1 in
Width74.8 in73.0 in
Height57.7 in54.0 in
Curb Weight4,020 lb.3,891 lb.
Fuel Capacity19.0 gal.16.9 gal.
Row 1 Headroom38.7 in39.1 in
Row 1 Shoulder Room59.1 in54.3 in
Row 1 Hip Room56.7 in0.0 in
Row 1 Legroom42.2 in0.0 in
Row 2 Headroom38.0 in36.0 in
Row 2 Shoulder Room59.1 in52.8 in
Row 2 Hip Room58.0 in0.0 in
Row 2 Legroom39.4 in0.0 in
Cargo Volume17.5 ft312.0 ft3

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See a complete comparison of Pontiac G8 vs. Audi A5 / S5 specs.

Option Package Details
Audi A5 / S5 S5

6-speed manually-shiftable automatic
FeatureValueRequested?
6-speed manually-shiftable automatic0Yes
Steering-wheel-mounted transmission controls100No
Total Requested00%
Total Not Requested100100%

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See TrueDelta's information for all Sedans
See TrueDelta's information for all Pontiac models.