Audi A8 Audi A8 2011 Cadillac STS Cadillac STS 2006

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Audi A8 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 vs. Cadillac STS Invoice Comparison

Lowest Total Price: $58,980

Cadillac STS V8   
Difference: $22,295

Lowest Total Invoice: $53,590

Cadillac STS V8   
Difference: $22,057

Calculate Payments

  Down Payment Interest Rate Term
Model Year201120062006
ModelA8STSSTS
TrimA8V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $78,050 $47,520 $73,070
Base Invoice $72,587 $43,956 $67,704
Cold Weather Package 800    
Laminated front side windows 600    
Rear air vents with automatic controls 950    
Preferred Equipment Group 1SF   10,740  
Sunroof     1,200
Cold Weather Package 744    
Laminated front side windows 558    
Rear air vents with automatic controls 883    
Preferred Equipment Group 1SF   8,914  
Sunroof     996
Options (change) 2,350 10,740 1,200
Options (change) 2,185 8,914 996
Destination 875 720 720
Gas Tax 0 0 2,100
Total Price $81,275 $58,980 $77,090
Total Invoice $75,647 $53,590 $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 dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A8 vs. Cadillac STS

Lowest Adjusted Price and Invoice: Cadillac STS V8
TrueDelta Adjusted Price Difference: $18,090
TrueDelta Adjusted Invoice Difference: $18,143
Model Year201120062006
ModelA8STSSTS
TrimA8V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan
Engine372hp V8320hp V8469hp V8
TransmissionT8T5T6
DrivetrainAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14300, 15300, 15
Tire (rear if not all the same)255/45-19235/50-17255/45-18
Total Price$81,275$58,980$77,090
Adjustments for Features-4,2050-465
Feature-Adjusted Total Price$77,070$58,980$76,625
Cost Above Minimum$0$0$17,645
Total Invoice$75,647$53,590$71,520
Adjustments for Features-3,9140-431
Feature-Adjusted Total Invoice$71,733$53,590$71,089
Cost Above Minimum$0$0$17,499

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Features Comparison: Audi A8 vs. Cadillac STS

Model Year201120062006
ModelA8STSSTS
TrimA8V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300  
5-speed manually-shiftable automatic $1000 
6-speed manually-shiftable automatic  $1100
AWD$1700  
RWD $0$0
Accessories 
Proximity key $250$250
Remote start $150$150
Remote window/roof operation$15  
Sunshade, rear, power$225  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0  
Brake- or yaw-sensor-initiated collision preparation system$0  
Knee airbag, driver$75  
Knee airbag, passenger$75  
Obstacle detection, rear $250$250
Rear side airbags$300  
Rollover sensor$50  
Tires, run-flat  $150
Cargo Management 
Air-conditioned storage compartment$50  
Cargo net $40$40
Ski sack$50  
Climate Control 
Heated windshield washer nozzles$15 $15
Rear air vents with automatic controls$250  
Rear air vents with manual controls $150$150
Rear dual-zone climate control$125  
Residual heat$50  
Drivetrain 
Limited-slip rear differential $300$300
Exterior 
Rear spoiler $200$200
Infotainment 
Aux input$50  
Bluetooth audio streaming$25  
CD changer, in-dash $325$325
CD player$125  
Handwriting recognition$200  
HD radio$50  
Media drive$15  
MP3-compatible player$50  
Satellite radio$200  
Telematics service, such as OnStar $200$200
Traffic information$25  
Instruments, Lights, and Mirrors 
Analog clock$25  
Auto-dimming headlights $200$200
Auto-dimming passenger-side mirror$75  
Cornering lights$50  
Fog light, rear$100  
Mirror tilt-down in reverse$25  
Power-folding mirrors$50  
Steering-linked headlights$150  
Seats and Interior Trim 
Cooled or ventilated front seats $300 
Leather-wrapped steering wheel$150 $150
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 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
Wood/leather-wrapped steering wheel $150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500 
Air suspension, auto-leveling and height adjustable$1000  
Alloy wheels$350  
Auto-leveling rear shocks $200$200
Electronic systems calibration selector$200  
Performance steering system (optional)  $0
Polished alloy wheels $350$350
Sport suspension (upgrade) $0$0
Transmission 
Steering-wheel-mounted transmission controls$100  
Total Value of Features$8,770$4,565$5,030
Value of Feature Adjustments$4,205$0$465
Value of Feature Adjustments-3,9140-431

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Specifications Comparison: Audi A8 vs. Cadillac STS

Model Year20112006
ModelA8STS
Body4dr Sedan4dr Sedan
Wheelbase117.8 in116.4 in
Length202.2 in196.3 in
Width76.7 in72.6 in
Height57.5 in57.6 in
Curb Weight4,410 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 Legroom38.7 in38.3 in
Cargo Volume13.2 ft313.8 ft3

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Option Package Details
Audi A8 A8

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100Yes
Heated steering wheel100Yes
Ski sack50No
Steering-wheel-mounted transmission controls100No
Total Requested40073%
Total Not Requested15027%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SF
FeatureValueRequested?
Sport suspension (upgrade)250No
Adaptive shocks - electrical500Yes
Cooled or ventilated front seats300No
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 headlights200No
Navigation system600Yes
Heated second row seats200Yes
Universal garage door opener100Yes
Heated steering wheel100Yes
Interior air filter0Yes
Cargo net40No
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Rear air vents with manual controls50Yes
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 Requested455067%
Total Not Requested224033%

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