Cadillac STS Cadillac STS 2011 Audi A4 / S4 Audi A4 / S4 2006

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

Lowest Total Price: $57,920

Audi A4 / S4 S4   
Difference: $1,570

Lowest Total Invoice: $53,505

Audi A4 / S4 S4   
Difference: $2,254

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112006
ModelSTSA4 / S4
TrimLuxuryS4
Body4dr Sedan4dr Sedan
Base Price $50,820 $46,400
Base Invoice $48,024 $42,758
Luxury Level Two Package 3,950  
Temporary spare tire 350  
Sunroof 1,200  
AWD 1,900  
Performance braking system (optional) 395  
Cold Weather Package   400
Premium Package   2,900
6-speed shiftable automatic   1,200
Metallic paint (extra cost)   450
Tire-pressure monitor   250
Obstacle detection, rear   350
Bluetooth cell phone link   500
Bose 215W 10 speakers   1,000
Navigation system   1,950
Wood/leather-wrapped steering wheel   500
Luxury Level Two Package 3,476  
Temporary spare tire 308  
Sunroof 1,056  
AWD 1,672  
Performance braking system (optional) 348  
Cold Weather Package   364
Premium Package   2,639
6-speed shiftable automatic   1,172
Metallic paint (extra cost)   410
Tire-pressure monitor   228
Obstacle detection, rear   319
Bluetooth cell phone link   455
Bose 215W 10 speakers   910
Navigation system   1,775
Wood/leather-wrapped steering wheel   455
Options (change) 7,795 9,500
Options (change) 6,860 8,727
Destination 875 720
Gas Tax 0 1,300
Total Price $59,490 $57,920
Total Invoice $55,759 $53,505

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

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

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4
TrueDelta Adjusted Price Difference: $560
TrueDelta Adjusted Invoice Difference: $1,307
Model Year20112006
ModelSTSA4 / S4
TrimLuxuryS4
Body4dr Sedan4dr Sedan
Engine302hp V6340hp V8
TransmissionT6T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)17/26 MPG15/23 MPG
Audio (watts, speakers)300, 15215, 10
Tire (rear if not all the same)235/50-17235/40-18
Total Price$59,490$57,920
Adjustments for Features-1,0100
Feature-Adjusted Total Price$58,480$57,920
Total Invoice$55,759$53,505
Adjustments for Features-9470
Feature-Adjusted Total Invoice$54,812$53,505

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Features Comparison: Cadillac STS vs. Audi A4 / S4

Model Year20112006
ModelSTSA4 / S4
TrimLuxuryS4
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
AWD$1700$1700
Accessories 
Heated steering wheel$100 
Proximity key$250 
Remote start$150 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Cargo Management 
Ski sack $50
Climate Control 
Heated windshield washer nozzles $15
Rain-sensing wipers $175
Rear air vents with manual controls$150 
Variable intermittent wipers$75 
Exterior 
Bodyside moldings $75
Laminated front side windows$200 
Rear spoiler $200
Infotainment 
CD changer, in-dash$325 
CD changer, remote $200
DVD-compatible player$0 
Rear seat audio controls$25 
Surround sound$250 
Telematics service, such as OnStar, with navigation$225 
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Fog light, rear $100
Power-folding mirrors $50
Steering-linked headlights $150
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Folding second row seats $300
Manual thigh support length adjuster, driver seat $50
Suspension, Wheels, and Tires 
Alloy wheels $350
Polished alloy wheels$350 
Ultra-sport suspension (upgrade) $0
Total Value of Features$5,850$4,840
Value of Feature Adjustments$1,010$0
Value of Feature Adjustments-9470

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Specifications Comparison: Cadillac STS vs. Audi A4 / S4

Model Year20112006
ModelSTSA4 / S4
Body4dr Sedan4dr Sedan
Wheelbase116.4 in104.3 in
Length196.7 in180.6 in
Width72.6 in69.8 in
Height57.6 in56.2 in
Curb Weight4,125 lb.3,902 lb.
Fuel Capacity17.0 gal.16.6 gal.
Row 1 Headroom38.7 in38.4 in
Row 1 Shoulder Room58.6 in55.1 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.6 in41.3 in
Row 2 Headroom37.9 in37.2 in
Row 2 Shoulder Room57.4 in53.4 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in34.3 in
Cargo Volume13.8 ft313.4 ft3

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Option Package Details
Cadillac STS Luxury

Luxury Level Two Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Navigation system600Yes
Surround sound250No
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100No
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested115055%
Total Not Requested92545%

Option Package Details
Audi A4 / S4 S4

6-speed manually-shiftable automatic
FeatureValueRequested?
6-speed manually-shiftable automatic0Yes
1300 Gas-Guzzler Tax0No
4.2L V8
DOHC-5v
340 hp@6800
302 lb-ft@3500
1000Yes
Total Requested1000100%
Total Not Requested00%
Bose, 215W, 10 speakers (with subwoofer)
FeatureValueRequested?
Bose, 215W, 10 speakers (with subwoofer)350No
Satellite radio200Yes
Total Requested20036%
Total Not Requested35064%
Navigation system
FeatureValueRequested?
Navigation system600Yes
CD changer, remote-125Yes
Total Requested475100%
Total Not Requested00%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100Yes
Ski sack50No
Total Requested30086%
Total Not Requested5014%
Premium Package
FeatureValueRequested?
Heated front seats200Yes
Sunroof900Yes
Universal garage door opener100Yes
Rain-sensing wipers100No
Automatic headlights125Yes
Steering-linked headlights150No
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested175082%
Total Not Requested37518%

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