Cadillac STS Cadillac STS 2009 Audi A4 / S4 Audi A4 / S4 2022

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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: $64,390

Audi A4 / S4 S4   
Difference: $19,845

Lowest Total Invoice: $60,596

Audi A4 / S4 S4   
Difference: $16,723

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092022
ModelSTSA4 / S4
TrimSTS-VS4
Body4dr Sedan4dr Sedan
Base Price $80,160 $51,900
Base Invoice $73,448 $48,787
Sunroof 1,200  
S Sport Package   2,500
Premium Plus Package   3,600
Prestige Package   4,700
Metallic paint (extra cost)   595
Sunroof 996  
S Sport Package   2,351
Premium Plus Package   3,384
Prestige Package   4,419
Metallic paint (extra cost)   560
Options (change) 1,200 11,395
Options (change) 996 10,714
Destination 775 1,095
Gas Tax 2,100 0
Total Price $84,235 $64,390
Total Invoice $77,319 $60,596

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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: $28,330
TrueDelta Adjusted Invoice Difference: $24,708
Model Year20092022
ModelSTSA4 / S4
TrimSTS-VS4
Body4dr Sedan4dr Sedan
Engine469hp V8349hp V6
TransmissionT6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)13/19 MPG21/30 MPG
Audio (watts, speakers)300, 15755, 19
Tire (rear if not all the same)255/45-18245/40-18
Total Price$84,235$64,390
Adjustments for Features0-8,485
Feature-Adjusted Total Price$84,235$55,905
Total Invoice$77,319$60,596
Adjustments for Features0-7,985
Feature-Adjusted Total Invoice$77,319$52,611

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Features Comparison: Cadillac STS vs. Audi A4 / S4

Model Year20092022
ModelSTSA4 / S4
TrimSTS-VS4
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, all-speed, topography and road sign aware $1100
Cruise control$150 
Low-speed semi-autonomous driving $100
Remote start$150 
Semi-automated parking system $500
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
Temporary spare tire $150
Tires, run-flat$150 
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
Cargo net$40 
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 
Painted brake calipers (optional) $0
Infotainment 
4G LTE connectivity $0
Alexa integration $0
Android Auto support $100
Apple CarPlay support $100
Bluetooth audio streaming $25
CD changer, in-dash$325 
DVD-compatible player$0 
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Rear seat audio controls$25 
Telematics service, such as OnStar $200
Telematics service, such as OnStar, with navigation$225 
Traffic information $25
Traffic light information $50
USB port $25
Wi-Fi hotspot $50
Wireless charging station $75
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Boost gauge $75
Compass $0
Fog light, rear $100
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 
Door sill trim plates$100 
Folding second row seats $300
Illuminated door sill trim plates $200
Leather door panel trim$250 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Massage, driver seat $100
Massage, passenger seat $100
Metal pedals $75
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Synthetic suede door panel trim $250
Upholstered door armrests (optional) $0
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$5,415$13,900
Value of Feature Adjustments$0$8,485
Value of Feature Adjustments0-7,985

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Specifications Comparison: Cadillac STS vs. Audi A4 / S4

Model Year20092022
ModelSTSA4 / S4
Body4dr Sedan4dr Sedan
Wheelbase116.4 in111.0 in
Length196.7 in187.5 in
Width72.6 in72.7 in
Height57.6 in56.2 in
Curb Weight4,233 lb.3,847 lb.
Fuel Capacity17.0 gal.15.3 gal.
Row 1 Headroom38.7 in37.3 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 ft312.0 ft3

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Option Package Details
Audi A4 / S4 S4

S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500No
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested00%
Total Not Requested1000100%
Premium Plus Package
FeatureValueRequested?
245/40HR18 tires400No
Around view cameras300No
Wide-view front camera150No
Large color reconfigurable instrument cluster display250No
Wide-view rear camera0No
Wireless charging station75No
Upholstered door armrests (optional)0No
Memory system, driver seat200Yes
Satellite radio200Yes
Obstacle detection, front150No
Obstacle detection, rear250Yes
Heated steering wheel100Yes
Auto-dimming driver-side mirror75Yes
Alarm100No
Proximity key250Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Blind spot warning system200Yes
Cross-traffic warning, rear100No
Collision preparation system, rear100No
Vehicle exit assist25No
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 Requested127526%
Total Not Requested355074%
Prestige Package
FeatureValueRequested?
Heated second row seats200Yes
Head-up display (HUD)350Yes
Headlight washers50Yes
Surround sound250Yes
Laminated front side windows200Yes
Semi-automated parking system500No
Interior ambient lighting, configurable0No
Bang & Olufsen, 755W, 19 speakers (with subwoofer)350No
Navigation system600Yes
Voice control for nav and audio75Yes
Traffic information25No
Handwriting recognition200No
Traffic light information50No
Total Requested172561%
Total Not Requested112539%

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