Cadillac STS Cadillac STS 2010 Audi A6 / S6 Audi A6 / S6 2013

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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: $63,570

Audi A6 / S6 A6 3.0T   
Difference: $6,040

Lowest Total Invoice: $59,186

Audi A6 / S6 A6 3.0T   
Difference: $6,641

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102013
ModelSTSA6 / S6
TrimV8 PerformanceA6 3.0T
Body4dr Sedan4dr Sedan
Base Price $68,785 $50,400
Base Invoice $65,002 $46,872
Driver Assistance Package   2,500
Prestige Package   6,550
20-inch Sport Package   2,300
Cold Weather Package   450
Metallic paint (extra cost)   475
Driver Assistance Package   2,327
Prestige Package   6,091
20-inch Sport Package   2,140
Cold Weather Package   418
Metallic paint (extra cost)   443
Options (change) 0 12,275
Options (change) 0 11,419
Destination 825 895
Total Price $69,610 $63,570
Total Invoice $65,827 $59,186

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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 A6 / S6 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 A6 3.0T
TrueDelta Adjusted Price Difference: $9,070
TrueDelta Adjusted Invoice Difference: $9,462
Model Year20102013
ModelSTSA6 / S6
TrimV8 PerformanceA6 3.0T
Body4dr Sedan4dr Sedan
Engine320hp V8310hp V6
TransmissionT6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)15/24 MPG18/27 MPG
Audio (watts, speakers)300, 15630, 14
Tire (rear if not all the same)235/50-18245/45-18
Total Price$69,610$63,570
Adjustments for Features0-3,030
Feature-Adjusted Total Price$69,610$60,540
Total Invoice$65,827$59,186
Adjustments for Features0-2,821
Feature-Adjusted Total Invoice$65,827$56,365

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Features Comparison: Cadillac STS vs. Audi A6 / S6

Model Year20102013
ModelSTSA6 / S6
TrimV8 PerformanceA6 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 $850
Remote start$150 
Brakes, Airbags, and Other Safety 
Automatic braking, low-speed $200
Collision preparation system, rear $100
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure warning$200 
Obstacle detection, front $150
Radar- or camera-based collision preparation system $0
Rearview camera $200
Rollover sensor $50
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 
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
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 
Door sill trim plates$100 
Folding second row seats $300
Illuminated door sill trim plates $200
Leather-wrapped steering wheel $150
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Electronic systems calibration selector $200
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$5,025$8,055
Value of Feature Adjustments$0$3,030
Value of Feature Adjustments0-2,821

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Specifications Comparison: Cadillac STS vs. Audi A6 / S6

Model Year20102013
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.4,045 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 A6 3.0T

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Forward collision alert200No
Power-folding mirrors50No
Blind spot warning system200Yes
Collision preparation system, rear only100No
Total Requested20014%
Total Not Requested125086%
Prestige Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Bose, 630W, 14 speakers (with subwoofer)350No
Auto-dimming driver-side mirror75Yes
DVD-compatible player0Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Auto-dimming passenger-side mirror75No
HD radio50No
Media drive, large15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
Handwriting recognition200No
Xenon HID headlights500Yes
Obstacle detection, front150No
Obstacle detection, rear250Yes
Rearview camera200No
245/45HR18 tires400No
Cornering lights50No
Sport front fascia (optional)0No
Rear dual-zone climate control125No
Sport rear fascia, e.g. diffuser (optional)0No
Illuminated door sill trim plates100No
Tilt/telescoping steering wheel, power100Yes
Steering-linked headlights150No
Body kit0No
Surround sound250Yes
Interior lights, additional0No
Total Requested242554%
Total Not Requested209046%
20-inch Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Polished alloy wheels350Yes
Steering-wheel-mounted transmission controls100No
255/35YR20 tires400No
Total Requested60055%
Total Not Requested50045%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%

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