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

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Audi A6 / S6 vs. Cadillac STS 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.

Audi A6 / S6 vs. Cadillac STS Invoice Comparison

Lowest Total Price: $54,725

Audi A6 / S6 A6 3.0T   
Difference: $2,470

Lowest Total Invoice: $50,955

Audi A6 / S6 A6 3.0T   
Difference: $2,784

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112011201120112011
ModelA6 / S6A6 / S6A6 / S6STSSTS
TrimA6 3.0TA6 4.2S6LuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $50,200 $59,150 $76,100 $50,820 $56,380
Base Invoice $46,686 $55,010 $70,774 $48,024 $53,279
Prestige Package 3,200        
Cold Weather Package 450 450      
Sport Package   1,000      
Luxury Level Two Package       3,950  
Temporary spare tire       350 350
Sunroof       1,200 1,200
Prestige Package 2,976        
Cold Weather Package 418 418      
Sport Package   930      
Luxury Level Two Package       3,476  
Temporary spare tire       308 308
Sunroof       1,056 1,056
Options (change) 3,650 1,450 0 5,500 1,550
Options (change) 3,394 1,348 0 4,840 1,364
Destination 875 875 875 875 875
Gas Tax 0 0 1,300 0 0
Total Price $54,725 $61,475 $78,275 $57,195 $58,805
Total Invoice $50,955 $57,233 $72,949 $53,739 $55,518

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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 Audi A6 / S6 dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 A6 3.0T
TrueDelta Adjusted Price Difference: $4,950
TrueDelta Adjusted Invoice Difference: $5,093
Model Year20112011201120112011
ModelA6 / S6A6 / S6A6 / S6STSSTS
TrimA6 3.0TA6 4.2S6LuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine300hp V6350hp V8435hp V10302hp V6302hp V6
TransmissionT6T6T6T6T6
DrivetrainAWDAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)255, 9255, 9255, 9300, 15?, 8
Tire (rear if not all the same)245/40-18245/40-18265/35-19235/50-17235/50-18
Total Price$54,725$61,475$78,275$57,195$58,805
Adjustments for Features-2,480-2,480-3,2050-700
Feature-Adjusted Total Price$52,245$58,995$75,070$57,195$58,105
Cost Above Minimum$0$6,750$22,825$0$910
Total Invoice$50,955$57,233$72,949$53,739$55,518
Adjustments for Features-2,309-2,309-2,9870-661
Feature-Adjusted Total Invoice$48,646$54,924$69,962$53,739$54,857
Cost Above Minimum$0$6,278$21,316$0$1,118

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Features Comparison: Audi A6 / S6 vs. Cadillac STS

Model Year20112011201120112011
ModelA6 / S6A6 / S6A6 / S6STSSTS
TrimA6 3.0TA6 4.2S6LuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100$1100$1100
AWD$1700$1700$1700  
RWD   $0$0
Accessories 
Heated steering wheel$100$100 $100$100
Remote start   $150$150
Sunshade, rear, power$225$225$225  
Sunshades, second row$125$125$125  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0  
Full-size spare tire$225$225$225  
Rearview camera$200$200$200  
Temporary spare tire   $150$150
Cargo Management 
Rear seat pass-through  $100$100$100
Ski sack  $50  
Storage compartment under front seat(s)$50$50$50  
Climate Control 
Heated windshield washer nozzles$15$15$15  
Rain-sensing wipers$175$175$175  
Rear air vents$100$100$100  
Rear air vents with manual controls   $150$150
Residual heat$50$50$50  
Variable intermittent wipers   $75$75
Drivetrain 
Limited-slip rear differential    $300
Exterior 
Bodyside cladding  $350  
Bodyside moldings$75$75   
Laminated front side windows   $200$200
Rear spoiler    $200
Infotainment 
Aux input$50$50$50  
CD changer, in-dash   $325$325
CD changer, remote$200$200$200  
HD radio$50$50$50  
iPod integration$100$100$100  
Media drive$15$15$15  
MP3-compatible player$50$50$50  
Rear seat audio controls   $25$25
Telematics service, such as OnStar, with navigation   $225$225
Traffic information$25$25$25  
Instruments, Lights, and Mirrors 
Auto-dimming headlights   $200$200
Auto-dimming passenger-side mirror$75$75$75  
Compass$0$0$0$0 
Cornering lights$50$50$50  
Fog light, rear$100$100$100  
Interior ambient lighting$150$150$150  
Mirror tilt-down in reverse$25$25$25  
Steering-linked headlights$150$150$150  
Seats and Interior Trim 
Cooled or ventilated front seats   $300$300
Folding second row seats$300$300$300  
Leather door panel trim  $250  
Leather-wrapped steering wheel$150$150$150  
Manual thigh support length adjuster, driver seat  $50  
Power headrest height adjuster, driver seat  $50  
Power headrest height adjuster, passenger seat  $50  
Wood/leather-wrapped steering wheel   $150$150
Suspension, Wheels, and Tires 
Alloy wheels$350$350$350  
Auto-leveling rear shocks    $200
Polished alloy wheels   $350$350
Sport suspension (upgrade) $0$0 $0
Transmission 
Steering-wheel-mounted transmission controls$100$100$100  
Total Value of Features$6,080$6,080$6,805$3,600$4,300
Value of Feature Adjustments$2,480$2,480$3,205$0$700
Value of Feature Adjustments-2,309-2,309-2,9870-661

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Specifications Comparison: Audi A6 / S6 vs. Cadillac STS

Model Year20112011
ModelA6 / S6STS
Body4dr Sedan4dr Sedan
Wheelbase111.9 in116.4 in
Length193.5 in196.7 in
Width73.0 in72.6 in
Height57.5 in57.6 in
Curb Weight4,124 lb.3,974 lb.
Fuel Capacity21.1 gal.17.0 gal.
Row 1 Headroom38.7 in38.7 in
Row 1 Shoulder Room57.1 in58.6 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.3 in42.6 in
Row 2 Headroom37.8 in37.9 in
Row 2 Shoulder Room55.9 in57.4 in
Row 2 Hip Room0.0 in55.6 in
Row 2 Legroom36.9 in38.3 in
Cargo Volume15.9 ft313.8 ft3

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Option Package Details
Audi A6 / S6 A6 3.0T

Prestige Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Steering-linked headlights150No
Obstacle detection, rear250Yes
Rearview camera200No
Surround sound250Yes
Cornering lights50No
Proximity key250Yes
Steering-wheel-mounted transmission controls100No
Bose, 255W, 9 speakers (with subwoofer)350No
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Special exterior trim0No
245/40HR18 tires400No
Total Requested177557%
Total Not Requested132543%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%

Option Package Details
Audi A6 / S6 A6 4.2

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
245/40HR18 tires400No
Total Requested25038%
Total Not Requested40062%

Option Package Details
Cadillac STS Luxury

Luxury Level Two Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200No
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested150072%
Total Not Requested57528%

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