Cadillac STS Cadillac STS 2010 Audi A6 / S6 Audi A6 / S6 2014

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Cadillac STS vs. Audi A6 / S6 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 A6 / S6 Invoice Comparison

Lowest Total Price: $69,610

Cadillac STS V8 Performance   
Difference: $8,485

Lowest Total Invoice: $65,827

Cadillac STS V8 Performance   
Difference: $6,868

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102014
ModelSTSA6 / S6
TrimV8 PerformanceS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Base Price $68,785 $73,400
Base Invoice $65,002 $68,262
Cold Weather Package   500
Driver Assistance Package   2,800
Metallic paint (extra cost)   500
Cold Weather Package   467
Driver Assistance Package   2,604
Metallic paint (extra cost)   467
Options (change) 0 3,800
Options (change) 0 3,538
Destination 825 895
Total Price $69,610 $78,095
Total Invoice $65,827 $72,695

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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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TrueDelta Value Comparison: Cadillac STS vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Cadillac STS V8 Performance
TrueDelta Adjusted Price Difference: $2,380
TrueDelta Adjusted Invoice Difference: $1,185
Model Year20102014
ModelSTSA6 / S6
TrimV8 PerformanceS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Engine320hp V8420hp V8
TransmissionT6S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)15/24 MPG17/27 MPG
Audio (watts, speakers)300, 15630, 14
Tire (rear if not all the same)235/50-18255/40-19
Total Price$69,610$78,095
Adjustments for Features0-6,105
Feature-Adjusted Total Price$69,610$71,990
Total Invoice$65,827$72,695
Adjustments for Features0-5,683
Feature-Adjusted Total Invoice$65,827$67,012

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Features Comparison: Cadillac STS vs. Audi A6 / S6

Model Year20102014
ModelSTSA6 / S6
TrimV8 PerformanceS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed automated manual $1200
RWD$0 
AWD $1700
Accessories 
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Remote start$150 
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, low-speed $200
Collision preparation system, rear $100
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure prevention $150
Obstacle detection, front $150
Radar- or camera-based collision preparation system $0
Rollover sensor $50
Wide-view front camera $150
Wide-view rear camera $0
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 
Rear dual-zone climate control $125
Residual heat $50
Variable intermittent wipers$75 
Drivetrain 
Active rear differential $500
Limited-slip rear differential$300 
Engine / Motor 
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Body kit $0
Laminated front side windows$200 
Rear spoiler$200 
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration $100
Media drive $15
MP3-compatible player $50
Rear seat audio controls$25 
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
Compass $0
Cornering lights $50
Fog light, rear $100
Fog lights$125 
Head-up display (HUD)$350 
Headlight washers$50 
Interior ambient lighting $150
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Door sill trim plates$100 
Folding second row seats $300
Illuminated door sill trim plates $200
Leather door panel trim $250
Leather-wrapped steering wheel $150
Metal pedals $75
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable $1000
Alloy wheels $350
Electronic systems calibration selector $200
Polished alloy wheels$350 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$4,975$11,080
Value of Feature Adjustments$0$6,105
Value of Feature Adjustments0-5,683

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Specifications Comparison: Cadillac STS vs. Audi A6 / S6

Model Year20102014
ModelSTSA6 / S6
Body4dr Sedan4dr Sedan
Wheelbase116.4 in114.7 in
Length196.7 in193.9 in
Width72.6 in73.8 in
Height57.6 in57.8 in
Curb Weight3,995 lb.4,398 lb.
Fuel Capacity17.0 gal.19.8 gal.
Row 1 Headroom38.7 in37.2 in
Row 1 Shoulder Room58.6 in57.5 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.6 in41.3 in
Row 2 Headroom37.9 in37.8 in
Row 2 Shoulder Room57.4 in56.3 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in37.4 in
Cargo Volume13.8 ft314.1 ft3

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Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Lane departure warning system200Yes
Adaptive cruise control, all-speed700No
Lane departure prevention system150No
Around view cameras300No
Automatic braking, low-speed200No
Forward collision alert200No
Wide-view front camera150No
Wide-view rear camera0No
Total Requested20011%
Total Not Requested170089%

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