Cadillac STS Cadillac STS 2011 Audi A8 / S8 Audi A8 / S8 2008

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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: $65,305

Cadillac STS Premium   
Difference: $12,135

Lowest Total Invoice: $61,238

Cadillac STS Premium   
Difference: $10,817

Calculate Payments

  Down Payment Interest Rate Term
Model Year201120082008
ModelSTSA8 / S8A8 / S8
TrimPremiumA8S8
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $56,380 $70,690 $93,300
Base Invoice $53,279 $65,741 $86,771
Platinum Edition 8,050    
Ski sack   175 175
Leather door panel trim   750  
Synthetic suede headliner   1,500  
Heated steering wheel   300 300
Satellite radio   550 550
Laminated front side windows   600  
Cooled or ventilated front seats   1,500  
Rear air vents with automatic controls   600 600
Platinum Edition 7,084    
Ski sack   164 164
Leather door panel trim   698  
Synthetic suede headliner   1,396  
Heated steering wheel   281 281
Satellite radio   490 501
Laminated front side windows   557  
Cooled or ventilated front seats   1,396  
Rear air vents with automatic controls   557 557
Options (change) 8,050 5,975 1,625
Options (change) 7,084 5,539 1,503
Destination 875 775 775
Gas Tax 0 0 2,100
Total Price $65,305 $77,440 $97,800
Total Invoice $61,238 $72,055 $91,149

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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.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Cadillac STS Premium
TrueDelta Adjusted Price Difference: $9,045
TrueDelta Adjusted Invoice Difference: $7,942
Model Year201120082008
ModelSTSA8 / S8A8 / S8
TrimPremiumA8S8
Body4dr Sedan4dr Sedan4dr Sedan
Engine302hp V6350hp V8450hp V10
TransmissionT6T6T6
DrivetrainRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15200, 12200, 12
Tire (rear if not all the same)235/50-18255/45-18265/35-20
Total Price$65,305$77,440$97,800
Adjustments for Features0-3,090-2,390
Feature-Adjusted Total Price$65,305$74,350$95,410
Cost Above Minimum$0$0$21,060
Total Invoice$61,238$72,055$91,149
Adjustments for Features0-2,875-2,227
Feature-Adjusted Total Invoice$61,238$69,180$88,922
Cost Above Minimum$0$0$19,742

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Features Comparison: Cadillac STS vs. Audi A8 / S8

Model Year201120082008
ModelSTSA8 / S8A8 / S8
TrimPremiumA8S8
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100
RWD$0  
AWD $1700$1700
Accessories 
Power trunk / liftgate pull-down $50$50
Proximity key$250  
Remote start$150  
Remote window/roof operation $15$15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0
Full-size spare tire $225$225
Knee airbag, driver $75$75
Knee airbag, passenger $75$75
Obstacle detection, rear$250  
Rear side airbags $300$300
Temporary spare tire$150  
Cargo Management 
Cargo net$40  
Ski sack $50$50
Climate Control 
Heated windshield washer nozzles $15$15
Rain-sensing wipers $175$175
Rear air vents with automatic controls $250$250
Rear air vents with manual controls$150  
Rear dual-zone climate control $125$125
Residual heat $50$50
Variable intermittent wipers$75  
Drivetrain 
Limited-slip rear differential$300  
Exterior 
Bodyside moldings $75$75
Laminated front side windows$200$200 
Rear spoiler$200  
Infotainment 
CD changer, in-dash$325  
CD changer, remote $200$200
DVD-compatible player$0  
iPod integration $100$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$75
Cornering lights $50$50
Fog light, rear $100$100
Interior ambient lighting $150$150
Mirror tilt-down in reverse $25$25
Power-folding mirrors $50$50
Steering-linked headlights $150$150
Seats and Interior Trim 
Cooled or ventilated front seats$300$300 
Leather-wrapped steering wheel $150$150
Massage, driver seat $100 
Massage, passenger seat $100 
Memory system, passenger seat $150$150
Power headrest height adjuster, driver seat $50$50
Power headrest height adjuster, passenger seat $50$50
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
Upholstered instrument panel$300  
Wood/leather-wrapped steering wheel$150  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500
Air suspension, auto-leveling and height adjustable $1000$1000
Alloy wheels $350$350
Auto-leveling rear shocks$200  
Chrome-plated alloy wheels$850  
Sport suspension (upgrade)$0 $0
Total Value of Features$5,440$8,530$7,830
Value of Feature Adjustments$0$3,090$2,390
Value of Feature Adjustments0-2,875-2,227

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Specifications Comparison: Cadillac STS vs. Audi A8 / S8

Model Year20112008
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
Cadillac STS Premium

Platinum Edition
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Sunroof900Yes
235/50WR18 tires200No
255/45WR18 tires200No
Special exterior trim0No
Special interior trim0No
Synthetic suede headliner650Yes
Termporary spare tire150Yes
Upholstered door panels, leather250Yes
Upholstered instrument panel300No
Chrome-plated alloy wheels500No
Total Requested195062%
Total Not Requested120038%

Option Package Details
Audi A8 / S8 A8

Ski sack
FeatureValueRequested?
Ski sack50No
Rear seat pass-through100Yes
Total Requested10067%
Total Not Requested5033%
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%

Option Package Details
Audi A8 / S8 S8

Ski sack
FeatureValueRequested?
Ski sack50No
Rear seat pass-through100Yes
Total Requested10067%
Total Not Requested5033%
Rear air vents with automatic controls
FeatureValueRequested?
Rear air vents with automatic controls150No
Rear dual-zone climate control125No
Total Requested00%
Total Not Requested275100%

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