Cadillac STS Cadillac STS 2010 Audi A8 / S8 Audi A8 / S8 2009

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Cadillac STS vs. Audi A8 / S8 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.

Cadillac STS vs. Audi A8 / S8 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 Year20102009
ModelSTSA8 / S8
TrimV8 PerformanceA8
Body4dr Sedan4dr Sedan
Base Price $68,785 $74,050
Base Invoice $65,002 $68,867
Technology Package   3,600
Laminated front side windows   600
Wood/leather-wrapped steering wheel   690
Cooled or ventilated front seats   1,500
Rear air vents with automatic controls   600
Technology Package   3,347
Laminated front side windows   557
Wood/leather-wrapped steering wheel   641
Cooled or ventilated front seats   1,396
Rear air vents with automatic controls   557
Options (change) 0 6,990
Options (change) 0 6,498
Destination 825 825
Total Price $69,610 $81,865
Total Invoice $65,827 $76,190

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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 Cadillac STS dealer quotes or Audi A8 / S8 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Cadillac STS V8 Performance
TrueDelta Adjusted Price Difference: $7,565
TrueDelta Adjusted Invoice Difference: $5,998
Model Year20102009
ModelSTSA8 / S8
TrimV8 PerformanceA8
Body4dr Sedan4dr Sedan
Engine320hp V8350hp V8
TransmissionT6T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 15200, 12
Tire (rear if not all the same)235/50-18255/45-18
Total Price$69,610$81,865
Adjustments for Features0-4,690
Feature-Adjusted Total Price$69,610$77,175
Total Invoice$65,827$76,190
Adjustments for Features0-4,365
Feature-Adjusted Total Invoice$65,827$71,825

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Features Comparison: Cadillac STS vs. Audi A8 / S8

Model Year20102009
ModelSTSA8 / S8
TrimV8 PerformanceA8
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
RWD$0 
AWD $1700
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$4,040$8,730
Value of Feature Adjustments$0$4,690
Value of Feature Adjustments0-4,365

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Specifications Comparison: Cadillac STS vs. Audi A8 / S8

Model Year20102009
ModelSTSA8 / S8
Body4dr Sedan4dr Sedan
Wheelbase116.4 in115.9 in
Length196.7 in199.3 in
Width72.6 in74.6 in
Height57.6 in56.9 in
Curb Weight3,974 lb.4,289 lb.
Fuel Capacity17.0 gal.23.8 gal.
Row 1 Headroom38.7 in37.3 in
Row 1 Shoulder Room58.6 in59.1 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.6 in41.4 in
Row 2 Headroom37.9 in38.0 in
Row 2 Shoulder Room57.4 in57.5 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in37.6 in
Cargo Volume13.8 ft314.6 ft3

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Option Package Details
Audi A8 / S8 A8

Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel150Yes
Steering-wheel-mounted transmission controls100No
Total Requested15060%
Total Not Requested10040%
Cooled or ventilated front seats
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Massage, driver seat100No
Massage, passenger seat100No
Total Requested30060%
Total Not Requested20040%
Rear air vents with automatic controls
FeatureValueRequested?
Rear air vents with automatic controls150No
Rear dual-zone climate control125No
Total Requested00%
Total Not Requested275100%
Technology Package
FeatureValueRequested?
Adaptive cruise control450Yes
Lane departure warning system200Yes
Blind spot warning system200Yes
Total Requested850100%
Total Not Requested00%

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