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

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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: $47,700

Audi A4 / S4 A4 2.0T   
Difference: $21,920

Lowest Total Invoice: $44,422

Audi A4 / S4 A4 2.0T   
Difference: $19,365

Calculate Payments

  Down Payment Interest Rate Term
Model Year201020102009
ModelA4 / S4A4 / S4STS
TrimA4 2.0TS4 3.0TV8
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $31,450 $45,900 $55,910
Base Invoice $29,249 $42,687 $52,276
Prestige Package 8,700 6,100  
Driver Assist Package 900 900  
Audi Drive Select Package 2,950 3,950  
Metallic paint (extra cost) 475 475  
Adaptive cruise control 2,100 2,100  
Chrome-plated alloy wheels 300    
Preferred Equipment Group 1SG     11,940
Active steering     995
Prestige Package 8,092 5,674  
Driver Assist Package 837 837  
Audi Drive Select Package 2,743 3,673  
Metallic paint (extra cost) 443 443  
Adaptive cruise control 1,954 1,954  
Chrome-plated alloy wheels 279    
Preferred Equipment Group 1SG     9,910
Active steering     826
Options (change) 15,425 13,525 12,935
Options (change) 14,348 12,581 10,736
Destination 825 825 775
Total Price $47,700 $60,250 $69,620
Total Invoice $44,422 $56,093 $63,787

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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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: $20,735
TrueDelta Adjusted Invoice Difference: $18,279
Model Year201020102009
ModelA4 / S4A4 / S4STS
TrimA4 2.0TS4 3.0TV8
Body4dr Sedan4dr Sedan4dr Sedan
Engine211hp I4333hp V6320hp V8
TransmissionCVT-8M6T6
DrivetrainFWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)505, 14505, 14300, 15
Tire (rear if not all the same)245/45-17255/35-19235/50-18
Total Price$47,700$60,250$69,620
Adjustments for Features0-1,350-1,185
Feature-Adjusted Total Price$47,700$58,900$68,435
Cost Above Minimum$0$11,200$0
Total Invoice$44,422$56,093$63,787
Adjustments for Features0-1,257-1,086
Feature-Adjusted Total Invoice$44,422$54,836$62,701
Cost Above Minimum$0$10,414$0

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Features Comparison: Audi A4 / S4 vs. Cadillac STS

Model Year201020102009
ModelA4 / S4A4 / S4STS
TrimA4 2.0TS4 3.0TV8
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable CVT$1100  
6-speed manual $150 
6-speed manually-shiftable automatic  $1100
FWD$0  
AWD $1700 
RWD  $0
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 
Cargo net  $40
Rear seat pass-through  $100
Climate Control 
Heated windshield washer nozzles$15$15 
Rear air vents with automatic controls$250$250 
Rear air vents with manual controls  $150
Drivetrain 
Active rear differential $500 
Limited-slip rear differential  $300
Exterior 
Laminated front side windows  $200
Rear spoiler  $200
Infotainment 
Aux input$50$50 
CD changer, in-dash  $325
CD player$125$125 
iPod integration$100$100 
Media drive$15$15 
MP3-compatible player$50$50 
Rear seat audio controls  $25
SD Card slot$25$25 
Telematics service, such as OnStar, with navigation  $225
Traffic information$25$25 
Instruments, Lights, and Mirrors 
Auto-dimming headlights  $200
Auto-dimming passenger-side mirror$75$75 
Compass$0$0 
Fog light, rear$100$100 
Head-up display (HUD)  $350
Headlight washers  $50
Interior ambient lighting$150$150 
Seats and Interior Trim 
Aluminum trim$100$100 
Cooled or ventilated front seats  $300
Folding second row seats$300$300 
Heated second row seats  $200
Leather door panel trim $250 
Leather-wrapped steering wheel$150$150 
Manual thigh support length adjuster, driver seat $50 
Manual thigh support length adjuster, passenger seat $50 
Power 4-way lumbar adjuster, passenger seat $150$150
Synthetic suede inserts in leather seating surfaces $0 
Wood trim  $300
Wood/leather-wrapped steering wheel  $150
Suspension, Wheels, and Tires 
Alloy wheels $350 
Chrome-plated alloy wheels$850  
Electronic systems calibration selector$200$200 
Performance steering system (optional)  $0
Polished alloy wheels  $350
Sport suspension (upgrade) $0$0
Transmission 
Steering-wheel-mounted transmission controls $100 
Total Value of Features$4,330$5,680$5,515
Value of Feature Adjustments$0$1,350$1,185
Value of Feature Adjustments0-1,257-1,086

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Specifications Comparison: Audi A4 / S4 vs. Cadillac STS

Model Year20102009
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 Weight3,591 lb.3,974 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

Prestige Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Surround sound250Yes
Proximity key250Yes
Auto-dimming passenger-side mirror75No
245/40HR18 tires400No
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Heated front seats200Yes
Rear air vents with automatic controls250No
Universal garage door opener100Yes
Trip computer150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Xenon HID headlights500Yes
Bluetooth cell phone link100Yes
Dual-zone climate control125Yes
iPod integration100No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25No
Media drive, large15No
Total Requested302571%
Total Not Requested121529%
Driver Assist Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Rearview camera200No
Blind spot warning system200Yes
Total Requested45069%
Total Not Requested20031%
Audi Drive Select Package
FeatureValueRequested?
Adaptive shocks - electrical500Yes
Active steering1000Yes
Electronic systems calibration selector200No
Total Requested150088%
Total Not Requested20012%

Option Package Details
Audi A4 / S4 S4 3.0T

Prestige Package
FeatureValueRequested?
255/35YR19 tires400No
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Surround sound250Yes
Proximity key250Yes
Auto-dimming passenger-side mirror75No
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25No
Media drive, large15No
Total Requested162565%
Total Not Requested86535%
Driver Assist Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Rearview camera200No
Blind spot warning system200Yes
Total Requested45069%
Total Not Requested20031%
Audi Drive Select Package
FeatureValueRequested?
Active rear differential500No
Adaptive shocks - electrical500Yes
Active steering1000Yes
Electronic systems calibration selector200No
Total Requested150068%
Total Not Requested70032%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SG
FeatureValueRequested?
Adaptive shocks - electrical500Yes
Cooled or ventilated front seats300No
Sunroof900Yes
Adaptive cruise control450Yes
235/50WR18 tires200No
255/45WR18 tires200No
Termporary spare tire150Yes
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Head-up display (HUD)350No
Lane departure warning system200No
Blind spot warning system200Yes
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300No
Rear spoiler200No
Voice control for nav and audio100Yes
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Rear seat audio controls25No
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested365054%
Total Not Requested312546%

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