Cadillac STS Cadillac STS 2006 Audi A8 Audi A8 2011

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Cadillac STS vs. Audi A8 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 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 Year200620062011
ModelSTSSTSA8
TrimV8STS-VA8
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $47,520 $73,070 $78,050
Base Invoice $43,956 $67,704 $72,587
Preferred Equipment Group 1SF 10,740    
Sunroof   1,200  
Cold Weather Package     800
Laminated front side windows     600
Rear air vents with automatic controls     950
Preferred Equipment Group 1SF 8,914    
Sunroof   996  
Cold Weather Package     744
Laminated front side windows     558
Rear air vents with automatic controls     883
Options (change) 10,740 1,200 2,350
Options (change) 8,914 996 2,185
Destination 720 720 875
Gas Tax 0 2,100 0
Total Price $58,980 $77,090 $81,275
Total Invoice $53,590 $71,520 $75,647

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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 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac STS vs. Audi A8

Lowest Adjusted Price and Invoice: Cadillac STS V8
TrueDelta Adjusted Price Difference: $18,090
TrueDelta Adjusted Invoice Difference: $18,143
Model Year200620062011
ModelSTSSTSA8
TrimV8STS-VA8
Body4dr Sedan4dr Sedan4dr Sedan
Engine320hp V8469hp V8372hp V8
TransmissionT5T6T8
DrivetrainRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15300, 15630, 14
Tire (rear if not all the same)235/50-17255/45-18255/45-19
Total Price$58,980$77,090$81,275
Adjustments for Features0-465-4,205
Feature-Adjusted Total Price$58,980$76,625$77,070
Cost Above Minimum$0$17,645$0
Total Invoice$53,590$71,520$75,647
Adjustments for Features0-431-3,914
Feature-Adjusted Total Invoice$53,590$71,089$71,733
Cost Above Minimum$0$17,499$0

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Features Comparison: Cadillac STS vs. Audi A8

Model Year200620062011
ModelSTSSTSA8
TrimV8STS-VA8
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000  
6-speed manually-shiftable automatic $1100 
8-speed manually-shiftable automatic  $1300
RWD$0$0 
AWD  $1700
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$4,565$5,030$8,770
Value of Feature Adjustments$0$465$4,205
Value of Feature Adjustments0-431-3,914

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Specifications Comparison: Cadillac STS vs. Audi A8

Model Year20062011
ModelSTSA8
Body4dr Sedan4dr Sedan
Wheelbase116.4 in117.8 in
Length196.3 in202.2 in
Width72.6 in76.7 in
Height57.6 in57.5 in
Curb Weight3,961 lb.4,410 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 in38.7 in
Cargo Volume13.8 ft313.2 ft3

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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
Voice control for nav and audio100Yes
Rear air vents with manual controls50Yes
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 Requested455067%
Total Not Requested224033%

Option Package Details
Audi A8 A8

Rear air vents with automatic controls
FeatureValueRequested?
Rear air vents with automatic controls150No
Rear dual-zone climate control125No
Total Requested00%
Total Not Requested275100%
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%

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