Cadillac STS Cadillac STS 2011 Audi A6 / S6 Audi A6 / S6 2016

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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: $65,305

Cadillac STS Premium   
Difference: $10,595

Lowest Total Invoice: $61,238

Cadillac STS Premium   
Difference: $9,418

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112016
ModelSTSA6 / S6
TrimPremiumS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Base Price $56,380 $70,900
Base Invoice $53,279 $65,938
Platinum Edition 8,050  
Cold Weather Package   500
Metallic paint (extra cost)   575
Synthetic suede headliner   3,000
Platinum Edition 7,084  
Cold Weather Package   467
Metallic paint (extra cost)   536
Synthetic suede headliner   2,790
Options (change) 8,050 4,075
Options (change) 7,084 3,793
Destination 875 925
Total Price $65,305 $75,900
Total Invoice $61,238 $70,656

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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: Cadillac STS Premium
TrueDelta Adjusted Price Difference: $6,590
TrueDelta Adjusted Invoice Difference: $5,690
Model Year20112016
ModelSTSA6 / S6
TrimPremiumS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Engine302hp V6450hp V8
TransmissionT6S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 15?, 10
Tire (rear if not all the same)235/50-18255/40-19
Total Price$65,305$75,900
Adjustments for Features0-4,005
Feature-Adjusted Total Price$65,305$71,895
Total Invoice$61,238$70,656
Adjustments for Features0-3,728
Feature-Adjusted Total Invoice$61,238$66,928

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Features Comparison: Cadillac STS vs. Audi A6 / S6

Model Year20112016
ModelSTSA6 / S6
TrimPremiumS6 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 
Remote start$150 
Brakes, Airbags, and Other Safety 
Blind spot warning system $200
Collision preparation system, rear $100
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rearview camera $200
Rollover sensor $50
Secondary collision brake assist $25
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
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Rear spoiler$200 
Infotainment 
4G LTE connectivity $0
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 
SD Card slot $25
Siri Eyes Free support $0
Surround sound$250 
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
Fog light, rear $100
Fog lights$125 
Headlight washers$50 
Interior ambient lighting $150
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Folding second row seats $300
Leather-wrapped steering wheel $150
Metal pedals $75
Upholstered instrument panel$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Alloy wheels $350
Auto-leveling rear shocks$200 
Chrome-plated alloy wheels$850 
Electronic systems calibration selector $200
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$4,975$8,980
Value of Feature Adjustments$0$4,005
Value of Feature Adjustments0-3,728

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Specifications Comparison: Cadillac STS vs. Audi A6 / S6

Model Year20112016
ModelSTSA6 / S6
Body4dr Sedan4dr Sedan
Wheelbase116.4 in114.6 in
Length196.7 in194.2 in
Width72.6 in73.8 in
Height57.6 in57.8 in
Curb Weight3,974 lb.3,804 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
Cadillac STS Premium

Platinum Edition
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Sunroof900Yes
235/50WR18 tires200No
255/45WR18 tires200No
Special exterior trim0No
Special interior trim0No
Synthetic suede headliner650Yes
Termporary spare tire150Yes
Upholstered door panels, leather250Yes
Upholstered instrument panel300No
Chrome-plated alloy wheels500No
Total Requested195062%
Total Not Requested120038%

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Synthetic suede headliner
FeatureValueRequested?
Synthetic suede headliner650Yes
Dark-colored headliner (optional)0No
Total Requested650100%
Total Not Requested00%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%

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