Cadillac STS Cadillac STS 2009 Audi A8 / S8 Audi A8 / S8 2014

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $76,795

Audi A8 / S8 A8 3.0T   
Difference: $7,440

Lowest Total Invoice: $71,483

Audi A8 / S8 A8 3.0T   
Difference: $5,836

Calculate Payments

  Down Payment Interest Rate Term
Model Year2009201420142014
ModelSTSA8 / S8A8 / S8A8 / S8
TrimSTS-VA8 3.0TA8 4.0TS8
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $80,160 $75,100 $83,900 $112,500
Base Invoice $73,448 $69,844 $78,028 $104,627
Sunroof 1,200      
Cold Weather Package   800 800 800
Wood trim       0
Sunroof 996      
Cold Weather Package   744 744 744
Wood trim       0
Options (change) 1,200 800 800 800
Options (change) 996 744 744 744
Destination 775 895 895 895
Gas Tax 2,100 0 0 0
Total Price $84,235 $76,795 $85,595 $114,195
Total Invoice $77,319 $71,483 $79,667 $106,266

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

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: Audi A8 / S8 A8 3.0T
TrueDelta Adjusted Price Difference: $11,455
TrueDelta Adjusted Invoice Difference: $9,573
Model Year2009201420142014
ModelSTSA8 / S8A8 / S8A8 / S8
TrimSTS-VA8 3.0TA8 4.0TS8
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine469hp V8333hp V6420hp V8520hp V8
TransmissionT6T8T8T8
DrivetrainRWDAWDAWDAWD
EPA Fuel Economy (city/highway)13/19 MPG13/21 MPG13/21 MPG13/21 MPG
Audio (watts, speakers)300, 15630, 14630, 14630, 14
Tire (rear if not all the same)255/45-18255/45-19255/45-19265/35-21
Total Price$84,235$76,795$85,595$114,195
Adjustments for Features0-4,015-4,015-9,790
Feature-Adjusted Total Price$84,235$72,780$81,580$104,405
Cost Above Minimum$0$0$8,800$31,625
Total Invoice$77,319$71,483$79,667$106,266
Adjustments for Features0-3,737-3,737-9,110
Feature-Adjusted Total Invoice$77,319$67,746$75,930$97,156
Cost Above Minimum$0$0$8,184$29,410

Return to top

Features Comparison: Cadillac STS vs. Audi A8 / S8

Model Year2009201420142014
ModelSTSA8 / S8A8 / S8A8 / S8
TrimSTS-VA8 3.0TA8 4.0TS8
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   
8-speed manually-shiftable automatic $1300$1300$1300
RWD$0   
AWD $1700$1700$1700
Accessories 
Active noise reduction  $0$0
Hands-free trunk or liftgate $100$100$100
Power door closers $300$300$300
Power trunk closer $350$350$350
Remote start$150   
Remote window/roof operation $15$15$15
Sunshade, rear, power   $225
Sunshades, second row, power   $225
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0$0
Around view cameras   $500
Blind spot warning system$200  $200
Brake- or yaw-sensor-initiated collision preparation system $0$0$0
Collision preparation system, rear   $100
Full-size spare tire $225$225$225
Knee airbag, driver $75$75$75
Knee airbag, passenger $75$75$75
Lane departure warning$200   
Obstacle detection, front $150$150$150
Rear side airbags $300$300$300
Rearview camera $200$200 
Rollover sensor $50$50$50
Tires, run-flat$150   
Wide-view front camera   $150
Wide-view rear camera   $0
Cargo Management 
Air-conditioned storage compartment $50$50$50
Cargo net$40   
Ski sack $50$50$50
Climate Control 
Rear air vents $100$100 
Rear air vents with automatic controls   $250
Rear air vents with manual controls$150   
Rear dual-zone climate control   $125
Residual heat $50$50$50
Drivetrain 
Limited-slip rear differential$300   
Engine / Motor 
Dual-mode exhaust, switchable   $500
Exterior 
Body kit   $0
Laminated front side windows$200  $200
Laminated rear side windows   $100
Rear spoiler$200   
Infotainment 
Aux input $50$50$50
Bluetooth audio streaming $25$25$25
CD changer, in-dash$325   
CD player $125$125$125
Handwriting recognition $200$200$200
HD radio $50$50$50
In-vehicle Internet $150$150$150
Media drive $15$15$15
MP3-compatible player $50$50$50
Rear seat audio controls$25   
SD Card slot $25$25$25
Telematics service, such as OnStar, with navigation$225   
Traffic + travel information $25$25$25
USB port $25$25$25
Wi-Fi hotspot $50$50$50
Instruments, Lights, and Mirrors 
Analog clock $25$25$25
Auto-dimming headlights$200  $200
Auto-dimming passenger-side mirror $75$75$75
Cornering lights $50$50$50
Fog light, rear $100$100$100
Head-up display (HUD)$350   
Interior ambient lighting $150$150$150
LED headlights   $1000
Mirror tilt-down in reverse $25$25$25
Power-folding mirrors $50$50$50
Steering-linked headlights $150$150$150
Xenon HID headlights$500$500$500 
Seats and Interior Trim 
Cooled or ventilated front seats   $300
Leather door panel trim$250  $250
Massage, driver seat   $100
Massage, passenger seat   $100
Memory system, passenger seat $150$150$150
Power headrest height adjuster, driver seat $50$50$50
Power headrest height adjuster, passenger seat $50$50$50
Power seat belt height adjusters, front row $25$25$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$100$100
Power thigh support length adjuster, passenger seat $100$100$100
Power upper seatback recliner, driver seat $100$100$100
Power upper seatback recliner, passenger seat $100$100$100
Synthetic suede headliner   $650
Synthetic suede inserts in leather seating surfaces$0   
Upholstered instrument panel $300$300$300
Upholstered instrument panel, leather$1000   
Suspension, Wheels, and Tires 
Active steering   $1000
Adaptive dampers - electrical $500$500$500
Air suspension, auto-leveling and height adjustable $1000$1000$1000
Auto-leveling rear shocks$200   
Electronic systems calibration selector $200$200$200
Performance steering system (optional)$0   
Sport suspension (upgrade)$0   
Transmission 
Steering-wheel-mounted transmission controls $100$100$100
Total Value of Features$5,765$9,780$9,780$15,555
Value of Feature Adjustments$0$4,015$4,015$9,790
Value of Feature Adjustments0-3,737-3,737-9,110

Return to top

Specifications Comparison: Cadillac STS vs. Audi A8 / S8

Model Year20092014
ModelSTSA8 / S8
Body4dr Sedan4dr Sedan
Wheelbase116.4 in117.8 in
Length196.7 in202.2 in
Width72.6 in76.7 in
Height57.6 in57.5 in
Curb Weight4,233 lb.4,685 lb.
Fuel Capacity17.0 gal.23.8 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 in37.7 in
Cargo Volume13.8 ft313.2 ft3

Return to top

Option Package Details
Audi A8 / S8 A8 3.0T

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

Option Package Details
Audi A8 / S8 A8 4.0T

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

Option Package Details
Audi A8 / S8 S8

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

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Cadillac models.