Cadillac STS Cadillac STS 2010 Audi A8 / S8 Audi A8 / S8 2018

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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: $70,605

Cadillac STS V8 Performance   
Difference: $49,070

Lowest Total Invoice: $66,703

Cadillac STS V8 Performance   
Difference: $44,664

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102018
ModelSTSA8 / S8
TrimV8 PerformanceS8 Plus
Body4dr Sedan4dr Sedan
Base Price $68,785 $115,900
Base Invoice $65,002 $107,788
Active steering 995  
Executive Plus Package   2,800
Active steering 876  
Executive Plus Package   2,604
Options (change) 995 2,800
Options (change) 876 2,604
Destination 825 975
Total Price $70,605 $119,675
Total Invoice $66,703 $111,367

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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: $38,100
TrueDelta Adjusted Invoice Difference: $34,456
Model Year20102018
ModelSTSA8 / S8
TrimV8 PerformanceS8 Plus
Body4dr Sedan4dr Sedan
Engine320hp V8605hp V8
TransmissionT6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 15630, 14
Tire (rear if not all the same)235/50-18275/35-21
Total Price$70,605$119,675
Adjustments for Features0-10,970
Feature-Adjusted Total Price$70,605$108,705
Total Invoice$66,703$111,367
Adjustments for Features0-10,208
Feature-Adjusted Total Invoice$66,703$101,159

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Features Comparison: Cadillac STS vs. Audi A8 / S8

Model Year20102018
ModelSTSA8 / S8
TrimV8 PerformanceS8 Plus
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Active noise reduction $0
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Hands-free trunk or liftgate $100
Power door closers $300
Power trunk closer $350
Remote start$150 
Remote window/roof operation $15
Sunshade, rear, power $225
Sunshades, second row, power $225
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Around view cameras $500
Automatic braking, low-speed $200
Collision preparation system, rear $100
Forward collision warning $200
Full-size spare tire $225
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure prevention, steering-based $200
Obstacle detection, front $150
Radar- or camera-based collision preparation system $0
Rear side airbags $300
Rollover sensor $50
Temporary spare tire$150 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Ski sack $50
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 
Engine / Motor 
Dual-mode exhaust, switchable $500
Exterior 
Body kit $0
Laminated rear side windows $100
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
Rear seat audio controls$25 
SD Card slot $25
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror $75
Compass $0
Cornering lights $50
Fog light, rear $100
Fog lights$125 
Interior ambient lighting, configurable $150
LED headlights $1000
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Xenon HID headlights$500 
Seats and Interior Trim 
Carbon fiber trim $200
Leather door panel trim $250
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 seat belt height adjusters, front row $25
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
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
Synthetic suede headliner $650
Upholstered instrument panel $300
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable $1000
Alloy wheels $350
Electronic systems calibration selector $200
Polished alloy wheels$350 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$4,525$15,495
Value of Feature Adjustments$0$10,970
Value of Feature Adjustments0-10,208

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Specifications Comparison: Cadillac STS vs. Audi A8 / S8

Model Year20102018
ModelSTSA8 / S8
Body4dr Sedan4dr Sedan
Wheelbase116.4 in117.8 in
Length196.7 in202.6 in
Width72.6 in76.7 in
Height57.6 in57.4 in
Curb Weight3,974 lb.4,686 lb.
Fuel Capacity17.0 gal.21.7 gal.
Row 1 Headroom38.7 in37.2 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 in38.1 in
Row 2 Shoulder Room57.4 in57.8 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in38.7 in
Cargo Volume13.8 ft314.2 ft3

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Option Package Details
Audi A8 / S8 S8 Plus

Executive Plus Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100Yes
Heated steering wheel100Yes
Ski sack50No
Radar- or camera-based collision preparation system0No
Lane departure warning200Yes
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Forward collision warning200No
Lane departure prevention, steering-based200No
Total Requested60031%
Total Not Requested135069%

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