Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008 Cadillac STS Cadillac STS 2008
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Audi A4 / S4 / RS4 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 / RS4 vs. Cadillac STS Invoice Comparison

Lowest Total Price: $73,785

Audi A4 / S4 / RS4 RS4   
Difference: $7,865

Lowest Total Invoice: $68,822

Audi A4 / S4 / RS4 RS4   
Difference: $6,132

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008
ModelA4 / S4 / RS4STS
TrimRS4STS-V
Body4dr Sedan4dr Sedan
Base Price $66,910 $77,575
Base Invoice $62,227 $71,083
Premium Package 4,000  
Sunroof   1,200
Premium Package 3,720  
Sunroof   996
Options (change) 4,000 1,200
Options (change) 3,720 996
Destination 775 775
Gas Tax 2,100 2,100
Total Price $73,785 $81,650
Total Invoice $68,822 $74,954

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Audi A4 / S4 / RS4 dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Audi A4 / S4 / RS4 vs. Cadillac STS

Lowest Adjusted Price and Invoice: Audi A4 / S4 / RS4 RS4
TrueDelta Adjusted Price Difference: $5,890
TrueDelta Adjusted Invoice Difference: $4,319
Model Year20082008
ModelA4 / S4 / RS4STS
TrimRS4STS-V
Body4dr Sedan4dr Sedan
Engine420hp V8469hp V8
TransmissionM6T6
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)13/20 MPG13/19 MPG
Audio (watts, speakers)215, 10300, 15
Tire (rear if not all the same)255/35-19255/45-18
Total Price$73,785$81,650
Adjustments for Features0-1,975
Feature-Adjusted Total Price$73,785$79,675
Total Invoice$68,822$74,954
Adjustments for Features0-1,813
Feature-Adjusted Total Invoice$68,822$73,141

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Features Comparison: Audi A4 / S4 / RS4 vs. Cadillac STS

Model Year20082008
ModelA4 / S4 / RS4STS
TrimRS4STS-V
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
6-speed manually-shiftable automatic $1100
AWD$1700 
RWD $0
Accessories 
Heated steering wheel $100
Proximity key $250
Remote start $150
Sunshade, rear, power$225 
Sunshades, second row$125 
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
Full-size spare tire$225 
Lane departure warning $200
Temporary spare tire $150
Tires, run-flat $150
Cargo Management 
Ski sack$50 
Storage compartment under front seat(s)$50 
Climate Control 
Rear air vents with manual controls $150
Drivetrain 
Limited-slip rear differential $300
Exterior 
Body kit$0 
Bodyside moldings$75 
Laminated front side windows $200
Infotainment 
CD changer, in-dash $325
CD changer, remote$200 
DVD-compatible player $0
MP3-compatible player$50 
Rear seat audio controls $25
SD Card slot$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 
Compass$0 
Fog light, rear$100 
Head-up display (HUD) $350
Interior ambient lighting$150 
Power-folding mirrors$50 
Steering-linked headlights$150 
Seats and Interior Trim 
Carbon fiber trim$200 
Folding second row seats$300 
Manual thigh support length adjuster, driver seat$50 
Power fore-aft adjuster, driver seat $100
Power height adjuster, driver seat $100
Power recliner, driver seat $100
Power tilt adjuster, driver seat $100
Synthetic suede inserts in leather seating surfaces $0
Upholstered instrument panel, leather $1000
Wood trim $300
Suspension, Wheels, and Tires 
Auto-leveling rear shocks $200
Hydraulically cross-linked dampers$500 
Performance steering system (optional) $0
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Total Value of Features$4,700$6,675
Value of Feature Adjustments$0$1,975
Value of Feature Adjustments0-1,813

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See a complete comparison of Audi A4 / S4 / RS4 vs. Cadillac STS features.

Specifications Comparison: Audi A4 / S4 / RS4 vs. Cadillac STS

Model Year20082008
ModelA4 / S4 / RS4STS
Body4dr Sedan4dr Sedan
Wheelbase104.3 in116.4 in
Length180.6 in196.7 in
Width69.8 in72.6 in
Height56.2 in57.6 in
Curb Weight3,957 lb.4,233 lb.
Fuel Capacity16.6 gal.17.0 gal.
Row 1 Headroom38.4 in38.7 in
Row 1 Shoulder Room55.1 in58.6 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.3 in42.6 in
Row 2 Headroom37.2 in37.9 in
Row 2 Shoulder Room53.4 in57.4 in
Row 2 Hip Room0.0 in55.6 in
Row 2 Legroom34.3 in38.3 in
Cargo Volume13.4 ft313.8 ft3

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See a complete comparison of Audi A4 / S4 / RS4 vs. Cadillac STS specs.

Option Package Details
Audi A4 / S4 / RS4 RS4

Premium Package
FeatureValueRequested?
Navigation system600Yes
Heated second row seats200Yes
CD changer, remote-125Yes
Sunshades, second row125No
Sunshade, rear, power225No
Memory system, driver seat200Yes
Bose, 215W, 10 speakers (with subwoofer)350No
SD Card slot25No
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Total Requested142563%
Total Not Requested85037%

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