Audi A8 Audi A8 2010 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: $19,785

Lowest Total Invoice: $53,590

Cadillac STS V8   
Difference: $19,720

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102006
ModelA8STS
TrimA8V8
Body4dr Sedan4dr Sedan
Base Price $74,550 $47,520
Base Invoice $69,331 $43,956
Laminated front side windows 600  
Cooled or ventilated front seats 1,500  
Wood/leather-wrapped steering wheel 690  
Rear air vents with automatic controls 600  
Preferred Equipment Group 1SF   10,740
Laminated front side windows 558  
Cooled or ventilated front seats 1,396  
Wood/leather-wrapped steering wheel 642  
Rear air vents with automatic controls 558  
Preferred Equipment Group 1SF   8,914
Options (change) 3,390 10,740
Options (change) 3,154 8,914
Destination 825 720
Total Price $78,765 $58,980
Total Invoice $73,310 $53,590

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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: $14,920
TrueDelta Adjusted Invoice Difference: $15,192
Model Year20102006
ModelA8STS
TrimA8V8
Body4dr Sedan4dr Sedan
Engine350hp V8320hp V8
TransmissionT6T5
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)200, 12300, 15
Tire (rear if not all the same)255/40-19235/50-17
Total Price$78,765$58,980
Adjustments for Features-4,8650
Feature-Adjusted Total Price$73,900$58,980
Total Invoice$73,310$53,590
Adjustments for Features-4,5280
Feature-Adjusted Total Invoice$68,782$53,590

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Features Comparison: Audi A8 vs. Cadillac STS

Model Year20102006
ModelA8STS
TrimA8V8
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
5-speed manually-shiftable automatic $1000
AWD$1700 
RWD $0
Accessories 
Heated steering wheel $100
Power door closers$300 
Power trunk closer$350 
Remote start $150
Remote window/roof operation$15 
Sunshade, rear, power$225 
Sunshades, second row$125 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Rear side airbags$300 
Rearview camera$200 
Cargo Management 
Cargo net $40
Rear seat pass-through $100
Climate Control 
Heated windshield washer nozzles$15 
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
Exterior 
Bodyside moldings$75 
Rear spoiler $200
Infotainment 
CD changer, in-dash $325
CD changer, remote$200 
DVD-compatible player $0
iPod integration$100 
Satellite radio$200 
Telematics service, such as OnStar $200
Instruments, Lights, and Mirrors 
Auto-dimming headlights $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 
Heated second row seats $200
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 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 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000 
Alloy wheels$350 
Auto-leveling rear shocks $200
Polished alloy wheels $350
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$8,380$3,515
Value of Feature Adjustments$4,865$0
Value of Feature Adjustments-4,5280

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Specifications Comparison: Audi A8 vs. Cadillac STS

Model Year20102006
ModelA8STS
Body4dr Sedan4dr Sedan
Wheelbase115.9 in116.4 in
Length199.3 in196.3 in
Width74.6 in72.6 in
Height56.9 in57.6 in
Curb Weight4,289 lb.3,961 lb.
Fuel Capacity23.8 gal.17.0 gal.
Row 1 Headroom37.3 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 Headroom38.0 in37.9 in
Row 2 Shoulder Room57.5 in57.4 in
Row 2 Hip Room0.0 in55.6 in
Row 2 Legroom37.6 in38.3 in
Cargo Volume14.6 ft313.8 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 seats300Yes
Sunroof900Yes
Limited-slip rear differential300No
Rain-sensing wipers100Yes
Xenon HID headlights500Yes
Rear spoiler200No
Wood/leather-wrapped steering wheel0Yes
Bluetooth cell phone link100Yes
Headlight washers50Yes
235/50VR17 tires200No
255/45VR17 tires200No
Auto-dimming headlights200No
Universal garage door opener100Yes
Heated steering wheel100No
Interior air filter0Yes
Cargo net40No
Surround sound250Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Rear air vents with manual controls50Yes
Navigation system600Yes
Heated second row seats200No
Bose, 300W, 15 speakers (with subwoofer)350No
CD changer, in-dash200Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Polished alloy wheels0No
Wood trim300Yes
Heated front seats200Yes
Total Requested475070%
Total Not Requested204030%

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