Audi A4 / S4 Audi A4 / S4 2018 Cadillac STS Cadillac STS 2007

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $58,630

Audi A4 / S4 S4 3.0T   
Difference: $19,225

Lowest Total Invoice: $54,597

Audi A4 / S4 S4 3.0T   
Difference: $16,882

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182007
ModelA4 / S4STS
TrimS4 3.0TSTS-V
Body4dr Sedan4dr Sedan
Base Price $51,400 $73,810
Base Invoice $47,802 $67,638
Navigation and Telematics Package 2,600  
Cold Weather Package 500  
S Sport Package 2,500  
Metallic paint (extra cost) 575  
Cargo net 80  
Sunroof   1,200
Navigation and Telematics Package 2,418  
Cold Weather Package 466  
S Sport Package 2,326  
Metallic paint (extra cost) 536  
Cargo net 74  
Sunroof   996
Options (change) 6,255 1,200
Options (change) 5,820 996
Destination 975 745
Gas Tax 0 2,100
Total Price $58,630 $77,855
Total Invoice $54,597 $71,479

Return to top

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 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 vs. Cadillac STS

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $24,940
TrueDelta Adjusted Invoice Difference: $22,204
Model Year20182007
ModelA4 / S4STS
TrimS4 3.0TSTS-V
Body4dr Sedan4dr Sedan
Engine354hp V6469hp V8
TransmissionT8T6
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)21/30 MPG14/20 MPG
Audio (watts, speakers)755, 19300, 15
Tire (rear if not all the same)245/40-18255/45-18
Total Price$58,630$77,855
Adjustments for Features-5,7150
Feature-Adjusted Total Price$52,915$77,855
Total Invoice$54,597$71,479
Adjustments for Features-5,3220
Feature-Adjusted Total Invoice$49,275$71,479

Return to top

Features Comparison: Audi A4 / S4 vs. Cadillac STS

Model Year20182007
ModelA4 / S4STS
TrimS4 3.0TSTS-V
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manually-shiftable automatic $1100
AWD$1700 
RWD $0
Accessories 
Remote app$25 
Remote start $150
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial$200 
Automatic braking, low-speed$200 
Blind spot warning system$200 
Collision preparation system, rear$100 
Cross-traffic warning, rear$100 
Driver drowsiness monitor$150 
Forward collision warning$200 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Pedestrian detection$50 
Radar- or camera-based collision preparation system$0 
Rearview camera$200 
Rollover sensor$50 
Secondary collision brake assist$25 
Tires, run-flat $150
Torque vectoring, brake-based$100 
Vehicle exit assist$25 
Cargo Management 
Air-conditioned storage compartment$50 
Rear seat pass-through $100
Climate Control 
Rear air vents with automatic controls$250 
Rear air vents with manual controls $150
Drivetrain 
Active rear differential$500 
Limited-slip rear differential $300
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Body kit$0 
Laminated front side windows $200
Painted brake calipers (optional)$0 
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
Apple CarPlay support$100 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player, remote$100 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
Media drive$15 
MP3-compatible player$50 
Rear seat audio controls $25
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Traffic + travel information$25 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Boost gauge$75 
Compass$0 
Fog light, rear$100 
Headlight washers $50
Large color reconfigurable instrument cluster display$250 
LED headlights$1000 
Power-folding mirrors$50 
Xenon HID headlights $500
Seats and Interior Trim 
Aluminum trim$100 
Folding second row seats$300 
Illuminated door sill trim plates$200 
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Massage, driver seat$100 
Massage, passenger seat$100 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Synthetic suede door panel trim$250 
Upholstered instrument panel, leather $1000
Wood trim $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Auto-leveling rear shocks $200
Electronic systems calibration selector$200 
Performance steering system (optional) $0
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$11,040$5,325
Value of Feature Adjustments$5,715$0
Value of Feature Adjustments-5,3220

Return to top

Specifications Comparison: Audi A4 / S4 vs. Cadillac STS

Model Year20182007
ModelA4 / S4STS
Body4dr Sedan4dr Sedan
Wheelbase111.0 in116.4 in
Length186.1 in196.3 in
Width72.5 in72.6 in
Height56.2 in57.6 in
Curb Weight3,858 lb.4,233 lb.
Fuel Capacity16.9 gal.17.0 gal.
Row 1 Headroom38.9 in38.7 in
Row 1 Shoulder Room55.9 in58.6 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.3 in42.6 in
Row 2 Headroom37.4 in37.9 in
Row 2 Shoulder Room54.5 in57.4 in
Row 2 Hip Room0.0 in55.6 in
Row 2 Legroom35.7 in38.3 in
Cargo Volume13.0 ft313.8 ft3

Return to top

Option Package Details
Audi A4 / S4 S4 3.0T

Navigation and Telematics Package
FeatureValueRequested?
Large color reconfigurable instrument cluster display250No
Speed limit information0No
4G LTE connectivity0No
Handwriting recognition200No
Remote app25No
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio75Yes
Total Requested67549%
Total Not Requested71551%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500No
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested00%
Total Not Requested1000100%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans, Wagons, and Convertibles.
See TrueDelta's information for all Audi models.