Audi A8 / S8 Audi A8 / S8 2017 Cadillac STS Cadillac STS 2006

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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: $77,090

Cadillac STS STS-V   
Difference: $40,510

Lowest Total Invoice: $71,520

Cadillac STS STS-V   
Difference: $37,916

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172006
ModelA8 / S8STS
TrimS8 PlusSTS-V
Body4dr Sedan4dr Sedan
Base Price $115,900 $73,070
Base Invoice $107,788 $67,704
Cold Weather Package 750  
Wood trim 0  
Sunroof   1,200
Cold Weather Package 698  
Wood trim 0  
Sunroof   996
Options (change) 750 1,200
Options (change) 698 996
Destination 950 720
Gas Tax 0 2,100
Total Price $117,600 $77,090
Total Invoice $109,436 $71,520

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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 STS-V
TrueDelta Adjusted Price Difference: $30,180
TrueDelta Adjusted Invoice Difference: $28,303
Model Year20172006
ModelA8 / S8STS
TrimS8 PlusSTS-V
Body4dr Sedan4dr Sedan
Engine605hp V8469hp V8
TransmissionT8T6
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)15/24 MPG14/20 MPG
Audio (watts, speakers)630, 14300, 15
Tire (rear if not all the same)275/35-21255/45-18
Total Price$117,600$77,090
Adjustments for Features-10,3300
Feature-Adjusted Total Price$107,270$77,090
Total Invoice$109,436$71,520
Adjustments for Features-9,6130
Feature-Adjusted Total Invoice$99,823$71,520

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Features Comparison: Audi A8 / S8 vs. Cadillac STS

Model Year20172006
ModelA8 / S8STS
TrimS8 PlusSTS-V
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manually-shiftable automatic $1100
AWD$1700 
RWD $0
Accessories 
Active noise reduction$0 
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 
Blind spot warning system$200 
Brake- or yaw-sensor-initiated collision preparation system$0 
Collision preparation system, rear$100 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Rear side airbags$300 
Rollover sensor$50 
Tires, run-flat $150
Wide-view front camera$150 
Wide-view rear camera$0 
Cargo Management 
Air-conditioned storage compartment$50 
Ski sack$50 
Climate Control 
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
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 
Satellite radio$200 
Telematics service, such as OnStar $200
Traffic + travel information$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
Head-up display (HUD)$350 
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 
Cooled or ventilated front seats$300 
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 inserts in leather seating surfaces $0
Upholstered instrument panel$300 
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Active steering$1000 
Adaptive dampers - electrical$500 
Air suspension, auto-leveling and height adjustable$1000 
Alloy wheels$350 
Auto-leveling rear shocks $200
Electronic systems calibration selector$200 
Performance steering system (optional) $0
Polished alloy wheels $350
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$14,880$4,550
Value of Feature Adjustments$10,330$0
Value of Feature Adjustments-9,6130

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Specifications Comparison: Audi A8 / S8 vs. Cadillac STS

Model Year20172006
ModelA8 / S8STS
Body4dr Sedan4dr Sedan
Wheelbase117.8 in116.4 in
Length202.6 in196.3 in
Width76.7 in72.6 in
Height57.4 in57.6 in
Curb Weight4,685 lb.4,233 lb.
Fuel Capacity21.7 gal.17.0 gal.
Row 1 Headroom37.2 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 Headroom38.1 in37.9 in
Row 2 Shoulder Room57.8 in57.4 in
Row 2 Hip Room0.0 in55.6 in
Row 2 Legroom38.7 in38.3 in
Cargo Volume14.2 ft313.8 ft3

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Option Package Details
Audi A8 / S8 S8 Plus

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100Yes
Heated steering wheel100Yes
Ski sack50No
Total Requested40089%
Total Not Requested5011%

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