Audi A8 / S8 Audi A8 / S8 2007 Pontiac G8 Pontiac G8 2009

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Audi A8 / S8 vs. Pontiac G8 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.

Audi A8 / S8 vs. Pontiac G8 Invoice Comparison

Lowest Total Price: $32,005

Pontiac G8   
Difference: $38,340

Lowest Total Invoice: $29,929

Pontiac G8   
Difference: $35,859

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072007200920092009
ModelA8 / S8A8 / S8G8G8G8
TrimA8S8BaseGTGXP
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $68,900 $92,000 $28,250 $31,755 $37,610
Base Invoice $64,422 $84,065 $26,696 $30,008 $35,541
Ski sack 175 175      
Satellite radio 550 550      
Comfort and Sound Package     795    
Premium Package     1,375 1,250  
Sunroof     900 900 900
Ski sack 156 159      
Satellite radio 490 501      
Comfort and Sound Package     660    
Premium Package     1,141 1,038  
Sunroof     747 747 747
Options (change) 725 725 3,070 2,150 900
Options (change) 646 660 2,548 1,785 747
Destination 720 720 685 685 685
Gas Tax 0 1,700 0 0 1,700
Total Price $70,345 $95,145 $32,005 $34,590 $40,895
Total Invoice $65,788 $87,145 $29,929 $32,478 $38,673

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

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TrueDelta Value Comparison: Audi A8 / S8 vs. Pontiac G8

Lowest Adjusted Price and Invoice: Pontiac G8
TrueDelta Adjusted Price Difference: $31,325
TrueDelta Adjusted Invoice Difference: $29,298
Model Year20072007200920092009
ModelA8 / S8A8 / S8G8G8G8
TrimA8S8BaseGTGXP
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine350hp V8450hp V10256hp V6361hp V8415hp V8
TransmissionT6T6T5T6T6
DrivetrainAWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)200, 12200, 12230, 11230, 11230, 11
Tire (rear if not all the same)255/45-18265/35-20245/45-18245/45-18245/40-19
Total Price$70,345$95,145$32,005$34,590$40,895
Adjustments for Features-7,015-7,2150-400-400
Feature-Adjusted Total Price$63,330$87,930$32,005$34,190$40,495
Cost Above Minimum$0$24,600$0$2,185$8,490
Total Invoice$65,788$87,145$29,929$32,478$38,673
Adjustments for Features-6,561-6,6080-376-378
Feature-Adjusted Total Invoice$59,227$80,537$29,929$32,102$38,295
Cost Above Minimum$0$21,310$0$2,173$8,366

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Features Comparison: Audi A8 / S8 vs. Pontiac G8

Model Year20072007200920092009
ModelA8 / S8A8 / S8G8G8G8
TrimA8S8BaseGTGXP
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100 $1100$1100
5-speed manually-shiftable automatic  $1000  
AWD$1700$1700   
RWD  $0$0$0
Accessories 
Power trunk / liftgate pull-down$50$50   
Remote start  $150$150$150
Remote window/roof operation$15$15   
Tilt/telescoping steering wheel, manual  $250$250$250
Tilt/telescoping steering wheel, power$350$350   
Universal garage door opener$100$100   
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0   
Knee airbag, driver$75$75   
Knee airbag, passenger$75$75   
Rear side airbags$300$300   
Cargo Management 
Cargo net  $40$40$40
Ski sack$50$50   
Climate Control 
Heated windshield washer nozzles$15$15   
Interior air filter$0$0   
Rain-sensing wipers$175$175   
Residual heat$50$50   
Variable intermittent wipers  $75$75$75
Drivetrain 
Limited-slip rear differential   $300$300
Exterior 
Bodyside moldings$75$75   
Hood scoop  $100$100$100
Rear spoiler  $200$200$200
Infotainment 
Aux input  $50$50$50
CD changer, in-dash  $325$325$325
CD changer, remote$200$200   
MP3-compatible player  $50$50$50
Navigation system$600$600   
Surround sound$250$250   
Telematics service, such as OnStar  $200$200$200
Voice control for nav and audio$100$100   
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75   
Auto-dimming passenger-side mirror$75$75   
Auto-dimming rearview mirror$150$150   
Compass  $0$0$0
Cornering lights$50$50   
Fog light, rear$100$100   
Headlight washers$50$50   
Heated mirrors$25$25   
Mirror tilt-down in reverse$25$25   
Outside temperature display$50$50   
Power-folding mirrors$50$50   
Steering-linked headlights$150$150   
Turn signals on or near mirrors$25$25   
Xenon HID headlights$500$500   
Seats and Interior Trim 
Heated front seats $200$200$200$200
Manual lumbar adjuster, driver seat  $50$50$50
Manual lumbar adjuster, passenger seat  $50$50$50
Memory system, driver seat$200$200   
Memory system, passenger seat$150$150   
Power 4-way lumbar adjuster, driver seat$150$150   
Power 4-way lumbar adjuster, passenger seat$150$150   
Power headrest height adjuster, driver seat$50$50   
Power headrest height adjuster, passenger seat$50$50   
Power recliner, driver seat$100$100   
Power recliner, passenger seat$100$100   
Power thigh support length adjuster, driver seat$100$100   
Power thigh support length adjuster, passenger seat$100$100   
Power upper seatback recliner, driver seat$100$100   
Power upper seatback recliner, passenger seat$100$100   
Wood trim$300$300   
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500   
Air suspension, auto-leveling and height adjustable$1000$1000   
Alloy wheels$350$350$350  
Machined alloy wheels   $350 
Polished alloy wheels    $350
Sport suspension (upgrade) $0  $0
Total Value of Features$10,105$10,305$3,090$3,490$3,490
Value of Feature Adjustments$7,015$7,215$0$400$400
Value of Feature Adjustments-6,561-6,6080-376-378

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Specifications Comparison: Audi A8 / S8 vs. Pontiac G8

Model Year20072009
ModelA8 / S8G8
Body4dr Sedan4dr Sedan
Wheelbase115.9 in114.8 in
Length199.3 in196.1 in
Width74.6 in74.8 in
Height56.9 in57.7 in
Curb Weight4,289 lb.3,856 lb.
Fuel Capacity23.8 gal.19.0 gal.
Row 1 Headroom37.3 in38.7 in
Row 1 Shoulder Room59.1 in59.1 in
Row 1 Hip Room0.0 in56.7 in
Row 1 Legroom41.4 in42.2 in
Row 2 Headroom38.0 in38.0 in
Row 2 Shoulder Room57.5 in59.1 in
Row 2 Hip Room0.0 in58.0 in
Row 2 Legroom37.6 in39.4 in
Cargo Volume14.6 ft317.5 ft3

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Option Package Details
Pontiac G8

Comfort and Sound Package
FeatureValueRequested?
Automatic climate control, front200Yes
CD changer, in-dash200Yes
Dual-zone climate control125Yes
MP3-compatible player50No
Blaupunkt, 230W, 11 speakers (with subwoofer)350No
Total Requested52557%
Total Not Requested40043%
Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Center armrest(s), second row50Yes
Leather-wrapped steering wheel150Yes
Total Requested1500100%
Total Not Requested00%

Option Package Details
Pontiac G8 GT

Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Center armrest(s), second row50Yes
Total Requested1350100%
Total Not Requested00%

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