Cadillac STS Cadillac STS 2006 Audi A5 / S5 Audi A5 / S5 2009
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Cadillac STS vs. Audi A5 / S5 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 A5 / S5 Invoice Comparison

Lowest Total Price: $60,390

Audi A5 / S5 S5   
Difference: $15,500

Lowest Total Invoice: $56,268

Audi A5 / S5 S5   
Difference: $14,256

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062009
ModelSTSA5 / S5
TrimSTS-VS5
Body4dr Sedan2dr Coupe
Base Price $73,070 $51,400
Base Invoice $67,704 $47,802
Technology Package   2,200
Navigation system   2,390
Metallic paint (extra cost)   475
Wood trim   500
6-speed shiftable automatic   1,300
Technology Package   2,045
Navigation system   2,178
Metallic paint (extra cost)   443
Wood trim   466
6-speed shiftable automatic   1,209
Options (change) 0 6,865
Options (change) 0 6,341
Destination 720 825
Gas Tax 2,100 1,300
Total Price $75,890 $60,390
Total Invoice $70,524 $56,268

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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 A5 / S5 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac STS vs. Audi A5 / S5

Lowest Adjusted Price and Invoice: Audi A5 / S5 S5
TrueDelta Adjusted Price Difference: $16,085
TrueDelta Adjusted Invoice Difference: $14,801
Model Year20062009
ModelSTSA5 / S5
TrimSTS-VS5
Body4dr Sedan2dr Coupe
Engine469hp V8354hp V8
TransmissionT6T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)14/20 MPG16/22 MPG
Audio (watts, speakers)300, 15180, 10
Tire (rear if not all the same)255/45-18255/35-19
Total Price$75,890$60,390
Adjustments for Features0-585
Feature-Adjusted Total Price$75,890$59,805
Total Invoice$70,524$56,268
Adjustments for Features0-545
Feature-Adjusted Total Invoice$70,524$55,723

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Features Comparison: Cadillac STS vs. Audi A5 / S5

Model Year20062009
ModelSTSA5 / S5
TrimSTS-VS5
Body4dr Sedan2dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
RWD$0 
AWD $1700
Accessories 
Heated steering wheel$100 
Power rear side windows$200 
Remote start$150 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Blind spot warning system $200
Knee airbag, driver $75
Knee airbag, passenger $75
Rearview camera $200
Tires, run-flat$150 
Cargo Management 
Cargo net$40 
Second-row low console $100
Climate Control 
Rear air vents with automatic controls $250
Rear air vents with manual controls$150 
Drivetrain 
Limited-slip rear differential$300 
Exterior 
Laminated front side windows$200 
Power-venting glass roof panel $300
Rear spoiler$200 
Infotainment 
Aux input $50
DVD-compatible player$0 
iPod integration $100
MP3-compatible player $50
Satellite radio $200
Surround sound$250 
Telematics service, such as OnStar$200 
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Compass $0
Fog light, rear $100
Steering-linked headlights $150
Seats and Interior Trim 
Aluminum trim $100
Folding second row seats $300
Heated second row seats$200 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Upholstered instrument panel, leather$1000 
Suspension, Wheels, and Tires 
Alloy wheels $350
Auto-leveling rear shocks$200 
Performance steering system (optional)$0 
Polished alloy wheels$350 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$5,340$5,925
Value of Feature Adjustments$0$585
Value of Feature Adjustments0-545

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See a complete comparison of Cadillac STS vs. Audi A5 / S5 features.

Specifications Comparison: Cadillac STS vs. Audi A5 / S5

Model Year20062009
ModelSTSA5 / S5
Body4dr Sedan2dr Coupe
Wheelbase116.4 in108.3 in
Length196.3 in182.1 in
Width72.6 in73.0 in
Height57.6 in54.0 in
Curb Weight4,233 lb.3,891 lb.
Fuel Capacity17.0 gal.16.9 gal.
Row 1 Headroom38.7 in39.1 in
Row 1 Shoulder Room58.6 in54.3 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.6 in41.3 in
Row 2 Headroom37.9 in36.0 in
Row 2 Shoulder Room57.4 in52.8 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in31.7 in
Cargo Volume13.8 ft312.0 ft3

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See a complete comparison of Cadillac STS vs. Audi A5 / S5 specs.

Option Package Details
Audi A5 / S5 S5

Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
iPod integration100No
Total Requested70088%
Total Not Requested10012%
6-speed manually-shiftable automatic
FeatureValueRequested?
6-speed manually-shiftable automatic0Yes
Steering-wheel-mounted transmission controls100No
Total Requested00%
Total Not Requested100100%
Technology Package
FeatureValueRequested?
Steering-linked headlights150No
Obstacle detection, rear250Yes
Rearview camera200No
Proximity key250Yes
Blind spot warning system200No
Total Requested50048%
Total Not Requested55052%

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