Cadillac STS Cadillac STS 2010 Audi A4 / S4 Audi A4 / S4 2018

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

Join Us

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: $63,180

Audi A4 / S4 S4 3.0T   
Difference: $6,430

Lowest Total Invoice: $58,829

Audi A4 / S4 S4 3.0T   
Difference: $6,998

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102018
ModelSTSA4 / S4
TrimV8 PerformanceS4 3.0T
Body4dr Sedan4dr Sedan
Base Price $68,785 $51,400
Base Invoice $65,002 $47,802
Driver Assistance Package   1,800
Prestige Package   4,400
S Sport Package   2,500
Warm Weather Package   950
Cold Weather Package   500
Cargo net   80
Metallic paint (extra cost)   575
Driver Assistance Package   1,674
Prestige Package   4,092
S Sport Package   2,326
Warm Weather Package   884
Cold Weather Package   466
Cargo net   74
Metallic paint (extra cost)   536
Options (change) 0 10,805
Options (change) 0 10,052
Destination 825 975
Total Price $69,610 $63,180
Total Invoice $65,827 $58,829

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 Cadillac STS dealer quotes or Audi A4 / S4 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: Cadillac STS vs. Audi A4 / S4

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $14,735
TrueDelta Adjusted Invoice Difference: $14,731
Model Year20102018
ModelSTSA4 / S4
TrimV8 PerformanceS4 3.0T
Body4dr Sedan4dr Sedan
Engine320hp V8354hp V6
TransmissionT6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)15/24 MPG21/30 MPG
Audio (watts, speakers)300, 15755, 19
Tire (rear if not all the same)235/50-18245/40-18
Total Price$69,610$63,180
Adjustments for Features0-8,305
Feature-Adjusted Total Price$69,610$54,875
Total Invoice$65,827$58,829
Adjustments for Features0-7,733
Feature-Adjusted Total Invoice$65,827$51,096

Return to top

Features Comparison: Cadillac STS vs. Audi A4 / S4

Model Year20102018
ModelSTSA4 / S4
TrimV8 PerformanceS4 3.0T
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Adaptive cruise control$600 
Adaptive cruise control, all-speed, topography and road sign aware $1100
Low-speed semi-autonomous driving $100
Remote app $25
Remote start$150 
Sunshades, second row $125
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Collision preparation system, rear $100
Cross-traffic warning, rear $100
Driver drowsiness monitor $150
Evasive maneuver assist $200
Following distance indicator $25
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane keeping assist $400
Obstacle detection, front $150
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Rollover sensor $50
Secondary collision brake assist $25
Torque vectoring, brake-based $100
Turn assist $25
Vehicle exit assist $25
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Rear seat pass-through$100 
Climate Control 
Heated windshield washer nozzles $15
Rain-sensing wipers $175
Rear air vents with automatic controls $250
Rear air vents with manual controls$150 
Variable intermittent wipers$75 
Drivetrain 
Active rear differential $500
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
Regenerative braking $0
Exterior 
Body kit $0
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 
SD Card slot $25
Telematics service, such as OnStar $200
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Boost gauge $75
Compass $0
Fog light, rear $100
Headlight washers$50 
Interior ambient lighting, configurable $150
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Power-folding mirrors $50
Predictive efficiency assist $0
Road sign information $75
Xenon HID headlights$500 
Seats and Interior Trim 
Aluminum trim $100
Door sill trim plates$100 
Folding second row seats $300
Illuminated door sill trim plates $200
Leather-wrapped steering wheel $150
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Metal pedals $75
Upholstered door armrests (optional) $0
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Alloy wheels $350
Electronic systems calibration selector $200
Polished alloy wheels$350 
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$4,850$13,155
Value of Feature Adjustments$0$8,305
Value of Feature Adjustments0-7,733

Return to top

Specifications Comparison: Cadillac STS vs. Audi A4 / S4

Model Year20102018
ModelSTSA4 / S4
Body4dr Sedan4dr Sedan
Wheelbase116.4 in111.0 in
Length196.7 in186.1 in
Width72.6 in72.5 in
Height57.6 in56.2 in
Curb Weight3,995 lb.3,858 lb.
Fuel Capacity17.0 gal.16.9 gal.
Row 1 Headroom38.7 in38.9 in
Row 1 Shoulder Room58.6 in55.9 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.6 in41.3 in
Row 2 Headroom37.9 in37.4 in
Row 2 Shoulder Room57.4 in54.5 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in35.7 in
Cargo Volume13.8 ft313.0 ft3

Return to top

Option Package Details
Audi A4 / S4 S4 3.0T

Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400No
Following distance indicator25No
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Total Requested40018%
Total Not Requested177582%
Prestige Package
FeatureValueRequested?
Head-up display (HUD)350Yes
Laminated front side windows200Yes
Around view cameras300No
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable0No
Upholstered door armrests (optional)0No
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 Requested122551%
Total Not Requested116549%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%
Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125No
Total Requested30071%
Total Not Requested12529%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%

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
See TrueDelta's information for all Cadillac models.