Audi A8 / S8 Audi A8 / S8 2007 Cadillac STS Cadillac STS 2007

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Audi A8 / S8 vs. Cadillac STS 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. Cadillac STS Invoice Comparison

Lowest Total Price: $64,245

Cadillac STS V8   
Difference: $11,100

Lowest Total Invoice: $58,890

Cadillac STS V8   
Difference: $11,348

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072007
ModelA8 / S8STS
TrimA8V8
Body4dr Sedan4dr Sedan
Base Price $68,900 $51,810
Base Invoice $64,422 $48,442
Ski sack 175  
Laminated front side windows 600  
Satellite radio 550  
Cooled or ventilated front seats 1,500  
Heated steering wheel 200  
Adaptive cruise control 2,100 2,300
Rear air vents with automatic controls 600  
Preferred Equipment Group 1SG   8,190
Sunroof   1,200
Ski sack 156  
Laminated front side windows 534  
Satellite radio 490  
Cooled or ventilated front seats 1,335  
Heated steering wheel 178  
Adaptive cruise control 1,869 1,909
Rear air vents with automatic controls 534  
Preferred Equipment Group 1SG   6,798
Sunroof   996
Options (change) 5,725 11,690
Options (change) 5,096 9,703
Destination 720 745
Total Price $75,345 $64,245
Total Invoice $70,238 $58,890

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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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Request free, no-obligation Audi A8 / S8 dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A8 / S8 vs. Cadillac STS

Lowest Adjusted Price and Invoice: Cadillac STS V8
TrueDelta Adjusted Price Difference: $8,885
TrueDelta Adjusted Invoice Difference: $9,283
Model Year20072007
ModelA8 / S8STS
TrimA8V8
Body4dr Sedan4dr Sedan
Engine350hp V8320hp V8
TransmissionT6T6
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)200, 12300, 15
Tire (rear if not all the same)255/45-18235/50-18
Total Price$75,345$64,245
Adjustments for Features-2,2150
Feature-Adjusted Total Price$73,130$64,245
Total Invoice$70,238$58,890
Adjustments for Features-2,0650
Feature-Adjusted Total Invoice$68,173$58,890

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Features Comparison: Audi A8 / S8 vs. Cadillac STS

Model Year20072007
ModelA8 / S8STS
TrimA8V8
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
AWD$1700 
RWD $0
Accessories 
Power trunk / liftgate pull-down$50 
Proximity key $250
Remote start $150
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, rear $250
Rear side airbags$300 
Cargo Management 
Cargo net $40
Ski sack$50 
Climate Control 
Heated windshield washer nozzles$15 
Rear air vents with automatic controls$250 
Rear air vents with manual controls $150
Rear dual-zone climate control$125 
Residual heat$50 
Drivetrain 
Limited-slip rear differential $300
Exterior 
Bodyside moldings$75 
Rear spoiler $200
Infotainment 
CD changer, in-dash $325
CD changer, remote$200 
DVD-compatible player $0
Rear seat audio controls $25
Telematics service, such as OnStar, with navigation $225
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Cornering lights$50 
Fog light, rear$100 
Head-up display (HUD) $350
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Steering-linked headlights$150 
Seats and Interior Trim 
Heated front seats $200
Heated second row seats $200
Leather-wrapped steering wheel$150 
Massage, driver seat$100 
Massage, passenger seat$100 
Memory system, passenger seat$150 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Wood/leather-wrapped steering wheel $150
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000 
Alloy wheels$350 
Auto-leveling rear shocks $200
Performance steering system (optional) $0
Polished alloy wheels $350
Sport suspension (upgrade) $0
Total Value of Features$6,880$4,665
Value of Feature Adjustments$2,215$0
Value of Feature Adjustments-2,0650

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Specifications Comparison: Audi A8 / S8 vs. Cadillac STS

Model Year20072007
ModelA8 / S8STS
Body4dr Sedan4dr Sedan
Wheelbase115.9 in116.4 in
Length199.3 in196.3 in
Width74.6 in72.6 in
Height56.9 in57.6 in
Curb Weight4,289 lb.3,961 lb.
Fuel Capacity23.8 gal.17.0 gal.
Row 1 Headroom37.3 in38.7 in
Row 1 Shoulder Room59.1 in58.6 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.4 in42.6 in
Row 2 Headroom38.0 in37.9 in
Row 2 Shoulder Room57.5 in57.4 in
Row 2 Hip Room0.0 in55.6 in
Row 2 Legroom37.6 in38.3 in
Cargo Volume14.6 ft313.8 ft3

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Option Package Details
Cadillac STS V8

Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Head-up display (HUD)350No
Total Requested45056%
Total Not Requested35044%
Preferred Equipment Group 1SG
FeatureValueRequested?
Adaptive shocks - electrical500Yes
235/50WR18 tires200No
255/45WR18 tires200No
Cooled or ventilated front seats300Yes
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300No
Rear spoiler200No
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Navigation system600Yes
Bluetooth cell phone link100Yes
Surround sound250Yes
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested240052%
Total Not Requested222548%

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