Audi A4 / S4 Audi A4 / S4 2009 Cadillac STS Cadillac STS 2010

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Audi A4 / S4 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 A4 / S4 vs. Cadillac STS Invoice Comparison

Lowest Total Price: $49,650

Audi A4 / S4 A4 2.0T   
Difference: $23,405

Lowest Total Invoice: $46,234

Audi A4 / S4 A4 2.0T   
Difference: $22,833

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920092010
ModelA4 / S4A4 / S4STS
TrimA4 2.0TA4 3.2V8 Performance
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $31,000 $40,400 $68,785
Base Invoice $28,830 $37,572 $65,002
Audi Drive Select Package 2,950 2,950  
Prestige Package 7,350 3,350  
Navigation system 2,500 2,500  
Metallic paint (extra cost) 475 475  
Adaptive cruise control 2,100 2,100  
Wood trim 400 400  
6-speed shiftable automatic 0    
AWD 2,050   1,450
Active steering     995
Audi Drive Select Package 2,742 2,742  
Prestige Package 6,835 3,119  
Navigation system 2,326 2,326  
Metallic paint (extra cost) 443 443  
Adaptive cruise control 1,953 1,953  
Wood trim 373 373  
6-speed shiftable automatic 0    
AWD 1,907   1,364
Active steering     876
Options (change) 17,825 11,775 2,445
Options (change) 16,579 10,956 2,240
Destination 825 825 825
Gas Tax 0 0 1,000
Total Price $49,650 $53,000 $73,055
Total Invoice $46,234 $49,353 $69,067

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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 A4 / S4 dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A4 / S4 vs. Cadillac STS

Lowest Adjusted Price and Invoice: Audi A4 / S4 A4 2.0T
TrueDelta Adjusted Price Difference: $22,520
TrueDelta Adjusted Invoice Difference: $21,996
Model Year200920092010
ModelA4 / S4A4 / S4STS
TrimA4 2.0TA4 3.2V8 Performance
Body4dr Sedan4dr Sedan4dr Sedan
Engine211hp I4265hp V6320hp V8
TransmissionT6T6T6
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)14/21 MPG14/21 MPG14/21 MPG
Audio (watts, speakers)505, 14505, 14300, 15
Tire (rear if not all the same)245/40-18245/40-18235/50-18
Total Price$49,650$53,000$73,055
Adjustments for Features00-885
Feature-Adjusted Total Price$49,650$53,000$72,170
Cost Above Minimum$0$3,350$0
Total Invoice$46,234$49,353$69,067
Adjustments for Features00-837
Feature-Adjusted Total Invoice$46,234$49,353$68,230
Cost Above Minimum$0$3,119$0

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Features Comparison: Audi A4 / S4 vs. Cadillac STS

Model Year200920092010
ModelA4 / S4A4 / S4STS
TrimA4 2.0TA4 3.2V8 Performance
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100
AWD$1700$1700$1700
Accessories 
Heated steering wheel  $100
Remote start  $150
Tilt/telescoping steering wheel, manual$250$250 
Tilt/telescoping steering wheel, power  $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0 
Forward collision warning$200$200 
Lane departure warning  $200
Radar- or camera-based collision preparation system$0$0 
Rearview camera$200$200 
Cargo Management 
Rear seat pass-through  $100
Climate Control 
Heated windshield washer nozzles$15$15 
Rain-sensing wipers$175$175 
Rear air vents with automatic controls$250$250 
Rear air vents with manual controls  $150
Variable intermittent wipers  $75
Exterior 
Laminated front side windows  $200
Infotainment 
Aux input$50$50 
CD changer, in-dash  $325
CD player$125$125 
DVD-compatible player  $0
iPod integration$100$100 
MP3-compatible player$50$50 
Rear seat audio controls  $25
SD Card slot$25$25 
Telematics service, such as OnStar, with navigation  $225
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75
Auto-dimming headlights  $200
Compass$0$0 
Fog light, rear$100$100 
Head-up display (HUD)  $350
Headlight washers  $50
Interior ambient lighting$150$150 
Steering-linked headlights$150$150 
Seats and Interior Trim 
Cooled or ventilated front seats  $300
Folding second row seats$300$300 
Heated second row seats  $200
Leather-wrapped steering wheel$150$150 
Power 4-way lumbar adjuster, passenger seat  $150
Wood/leather-wrapped steering wheel  $150
Suspension, Wheels, and Tires 
Alloy wheels$350$350 
Electronic systems calibration selector$200$200 
Polished alloy wheels  $350
Sport suspension (upgrade)  $0
Total Value of Features$5,640$5,640$6,525
Value of Feature Adjustments$0$0$885
Value of Feature Adjustments00-837

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Specifications Comparison: Audi A4 / S4 vs. Cadillac STS

Model Year20092010
ModelA4 / S4STS
Body4dr Sedan4dr Sedan
Wheelbase110.6 in116.4 in
Length185.2 in196.7 in
Width71.9 in72.6 in
Height56.2 in57.6 in
Curb Weight3,943 lb.4,221 lb.
Fuel Capacity16.9 gal.17.0 gal.
Row 1 Headroom40.0 in38.7 in
Row 1 Shoulder Room55.5 in58.6 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.3 in42.6 in
Row 2 Headroom37.5 in37.9 in
Row 2 Shoulder Room54.3 in57.4 in
Row 2 Hip Room0.0 in55.6 in
Row 2 Legroom35.2 in38.3 in
Cargo Volume12.4 ft313.8 ft3

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Option Package Details
Audi A4 / S4 A4 2.0T

Audi Drive Select Package
FeatureValueRequested?
Adaptive shocks - electrical500Yes
Active steering1000Yes
Electronic systems calibration selector200No
Total Requested150088%
Total Not Requested20012%
Prestige Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Surround sound250Yes
Proximity key250Yes
245/40HR18 tires400No
Blind spot warning system200Yes
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Heated front seats200Yes
iPod integration100No
CD changer, in-dash200No
Rear air vents with automatic controls250No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Trip computer150Yes
Rain-sensing wipers100No
Automatic headlights125Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Compass0No
Dual-zone climate control125Yes
Cargo net40Yes
Total Requested264063%
Total Not Requested155037%

Option Package Details
Audi A4 / S4 A4 3.2

Audi Drive Select Package
FeatureValueRequested?
Adaptive shocks - electrical500Yes
Active steering1000Yes
Electronic systems calibration selector200No
Total Requested150088%
Total Not Requested20012%
Prestige Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Surround sound250Yes
Proximity key250Yes
245/40HR18 tires400No
Blind spot warning system200Yes
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Total Requested95056%
Total Not Requested75044%

Option Package Details
Cadillac STS V8 Performance

AWD
FeatureValueRequested?
AWD0Yes
1000 Gas-Guzzler Tax0No
Total Requested056%
Total Not Requested044%

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