Audi A8 / S8 Audi A8 / S8 2009 Cadillac STS Cadillac STS 2010
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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: $69,610

Cadillac STS V8 Performance   
Difference: $12,255

Lowest Total Invoice: $65,827

Cadillac STS V8 Performance   
Difference: $10,363

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092010
ModelA8 / S8STS
TrimA8V8 Performance
Body4dr Sedan4dr Sedan
Base Price $74,050 $68,785
Base Invoice $68,867 $65,002
Technology Package 3,600  
Laminated front side windows 600  
Cooled or ventilated front seats 1,500  
Wood/leather-wrapped steering wheel 690  
Rear air vents with automatic controls 600  
Technology Package 3,347  
Laminated front side windows 557  
Cooled or ventilated front seats 1,396  
Wood/leather-wrapped steering wheel 641  
Rear air vents with automatic controls 557  
Options (change) 6,990 0
Options (change) 6,498 0
Destination 825 825
Total Price $81,865 $69,610
Total Invoice $76,190 $65,827

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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 Performance
TrueDelta Adjusted Price Difference: $7,565
TrueDelta Adjusted Invoice Difference: $5,998
Model Year20092010
ModelA8 / S8STS
TrimA8V8 Performance
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$81,865$69,610
Adjustments for Features-4,6900
Feature-Adjusted Total Price$77,175$69,610
Total Invoice$76,190$65,827
Adjustments for Features-4,3650
Feature-Adjusted Total Invoice$71,825$65,827

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Features Comparison: Audi A8 / S8 vs. Cadillac STS

Model Year20092010
ModelA8 / S8STS
TrimA8V8 Performance
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
AWD$1700 
RWD $0
Accessories 
Heated steering wheel $100
Power door closers$300 
Power trunk closer$350 
Remote start $150
Remote window/roof operation$15 
Sunshade, rear, power$225 
Sunshades, second row$125 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Full-size spare tire$225 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Rear side airbags$300 
Rearview camera$200 
Temporary spare tire $150
Cargo Management 
Cargo net $40
Rear seat pass-through $100
Climate Control 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Rear air vents with automatic controls$250 
Rear air vents with manual controls $150
Rear dual-zone climate control$125 
Residual heat$50 
Variable intermittent wipers $75
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
iPod integration$100 
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
Interior ambient lighting$150 
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Steering-linked headlights$150 
Seats and Interior Trim 
Heated second row seats $200
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 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000 
Alloy wheels$350 
Polished alloy wheels $350
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$8,730$4,040
Value of Feature Adjustments$4,690$0
Value of Feature Adjustments-4,3650

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See a complete comparison of Audi A8 / S8 vs. Cadillac STS features.

Specifications Comparison: Audi A8 / S8 vs. Cadillac STS

Model Year20092010
ModelA8 / S8STS
Body4dr Sedan4dr Sedan
Wheelbase115.9 in116.4 in
Length199.3 in196.7 in
Width74.6 in72.6 in
Height56.9 in57.6 in
Curb Weight4,289 lb.3,974 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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See a complete comparison of Audi A8 / S8 vs. Cadillac STS specs.

Option Package Details
Audi A8 / S8 A8

Technology Package
FeatureValueRequested?
Adaptive cruise control450Yes
Lane departure warning system200Yes
Blind spot warning system200Yes
Total Requested850100%
Total Not Requested00%

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