Audi A8 / S8 Audi A8 / S8 2014 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: $58,980

Cadillac STS V8   
Difference: $17,815

Lowest Total Invoice: $53,590

Cadillac STS V8   
Difference: $17,893

Calculate Payments

  Down Payment Interest Rate Term
Model Year2014201420142006
ModelA8 / S8A8 / S8A8 / S8STS
TrimA8 3.0TA8 4.0TS8V8
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $75,100 $83,900 $112,500 $47,520
Base Invoice $69,844 $78,028 $104,627 $43,956
Cold Weather Package 800 800 800  
Wood trim     0  
Preferred Equipment Group 1SF       10,740
Cold Weather Package 744 744 744  
Wood trim     0  
Preferred Equipment Group 1SF       8,914
Options (change) 800 800 800 10,740
Options (change) 744 744 744 8,914
Destination 895 895 895 720
Total Price $76,795 $85,595 $114,195 $58,980
Total Invoice $71,483 $79,667 $106,266 $53,590

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

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

Lowest Adjusted Price and Invoice: Cadillac STS V8
TrueDelta Adjusted Price Difference: $12,510
TrueDelta Adjusted Invoice Difference: $12,955
Model Year2014201420142006
ModelA8 / S8A8 / S8A8 / S8STS
TrimA8 3.0TA8 4.0TS8V8
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine333hp V6420hp V8520hp V8320hp V8
TransmissionT8T8T8T5
DrivetrainAWDAWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14630, 14630, 14300, 15
Tire (rear if not all the same)255/45-19255/45-19265/35-21235/50-17
Total Price$76,795$85,595$114,195$58,980
Adjustments for Features-5,305-5,305-10,1800
Feature-Adjusted Total Price$71,490$80,290$104,015$58,980
Cost Above Minimum$0$8,800$32,525$0
Total Invoice$71,483$79,667$106,266$53,590
Adjustments for Features-4,938-4,938-9,4730
Feature-Adjusted Total Invoice$66,545$74,729$96,793$53,590
Cost Above Minimum$0$8,184$30,248$0

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Features Comparison: Audi A8 / S8 vs. Cadillac STS

Model Year2014201420142006
ModelA8 / S8A8 / S8A8 / S8STS
TrimA8 3.0TA8 4.0TS8V8
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300$1300 
5-speed manually-shiftable automatic   $1000
AWD$1700$1700$1700 
RWD   $0
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 
Brake- or yaw-sensor-initiated collision preparation system$0$0$0 
Collision preparation system, rear  $100 
Knee airbag, driver$75$75$75 
Knee airbag, passenger$75$75$75 
Obstacle detection, front$150$150$150 
Rear side airbags$300$300$300 
Rearview camera$200$200  
Rollover sensor$50$50$50 
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 
Heated windshield washer nozzles$15$15$15 
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 
Satellite radio$200$200$200 
Telematics service, such as OnStar   $200
Traffic + travel information$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 
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$300
Leather-wrapped steering wheel$150$150$150 
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 
Upholstered instrument panel$300$300$300 
Wood/leather-wrapped steering wheel   $150
Suspension, Wheels, and Tires 
Active steering  $1000 
Air suspension, auto-leveling and height adjustable$1000$1000$1000 
Alloy wheels$350$350$350 
Auto-leveling rear shocks   $200
Electronic systems calibration selector$200$200$200 
Polished alloy wheels   $350
Sport suspension (upgrade)   $0
Transmission 
Steering-wheel-mounted transmission controls$100$100$100 
Total Value of Features$9,570$9,570$14,445$4,265
Value of Feature Adjustments$5,305$5,305$10,180$0
Value of Feature Adjustments-4,938-4,938-9,4730

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Specifications Comparison: Audi A8 / S8 vs. Cadillac STS

Model Year20142006
ModelA8 / S8STS
Body4dr Sedan4dr Sedan
Wheelbase117.8 in116.4 in
Length202.2 in196.3 in
Width76.7 in72.6 in
Height57.5 in57.6 in
Curb Weight4,366 lb.3,961 lb.
Fuel Capacity23.8 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 Legroom37.7 in38.3 in
Cargo Volume13.2 ft313.8 ft3

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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%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SF
FeatureValueRequested?
Sport suspension (upgrade)250No
Adaptive shocks - electrical500Yes
Cooled or ventilated front seats300Yes
Sunroof900Yes
Limited-slip rear differential300No
Rain-sensing wipers100Yes
Xenon HID headlights500Yes
Rear spoiler200No
Wood/leather-wrapped steering wheel0No
Bluetooth cell phone link100Yes
Headlight washers50Yes
235/50VR17 tires200No
255/45VR17 tires200No
Auto-dimming headlights200Yes
Voice control for nav and audio100Yes
Rear air vents with manual controls50No
Navigation system600Yes
Heated second row seats200Yes
Universal garage door opener100Yes
Heated steering wheel100Yes
Interior air filter0Yes
Cargo net40No
Surround sound250Yes
DVD-compatible player0Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Wood trim300Yes
Heated front seats200Yes
CD changer, in-dash200No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Polished alloy wheels0No
Total Requested500074%
Total Not Requested179026%

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