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

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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: $61,825

Cadillac STS V8 Luxury   
Difference: $100

Lowest Total Invoice: $57,649

Audi A6 / S6 A6 4.2   
Difference: $518

Calculate Payments

  Down Payment Interest Rate Term
Model Year201020102010
ModelSTSSTSA6 / S6
TrimV8 LuxuryV8 PerformanceA6 4.2
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $56,345 $68,785 $59,150
Base Invoice $53,246 $65,002 $55,010
Premium Luxury Collection 4,655    
Cold Weather Package     450
Sport Package     1,000
Blind spot warning system     500
Premium Luxury Collection 4,096    
Cold Weather Package     418
Sport Package     930
Blind spot warning system     466
Options (change) 4,655 0 1,950
Options (change) 4,096 0 1,814
Destination 825 825 825
Total Price $61,825 $69,610 $61,925
Total Invoice $58,167 $65,827 $57,649

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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.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 A6 4.2
TrueDelta Adjusted Price Difference: $2,380
TrueDelta Adjusted Invoice Difference: $2,827
Model Year201020102010
ModelSTSSTSA6 / S6
TrimV8 LuxuryV8 PerformanceA6 4.2
Body4dr Sedan4dr Sedan4dr Sedan
Engine320hp V8320hp V8350hp V8
TransmissionT6T6T6
DrivetrainRWDRWDAWD
EPA Fuel Economy (city/highway)15/24 MPG15/24 MPG16/23 MPG
Audio (watts, speakers)300, 15300, 15255, 9
Tire (rear if not all the same)235/50-17235/50-18245/40-18
Total Price$61,825$69,610$61,925
Adjustments for Features0-2,300-2,480
Feature-Adjusted Total Price$61,825$67,310$59,445
Cost Above Minimum$0$5,485$0
Total Invoice$58,167$65,827$57,649
Adjustments for Features0-2,175-2,309
Feature-Adjusted Total Invoice$58,167$63,652$55,340
Cost Above Minimum$0$5,485$0

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Features Comparison: Cadillac STS vs. Audi A6 / S6

Model Year201020102010
ModelSTSSTSA6 / S6
TrimV8 LuxuryV8 PerformanceA6 4.2
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100
RWD$0$0 
AWD  $1700
Accessories 
Adaptive cruise control $600 
Cruise control$150 $150
Remote start$150$150 
Sunshade, rear, power  $225
Sunshades, second row  $125
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0
Blind spot warning system $200$200
Full-size spare tire  $225
Lane departure warning $200 
Obstacle detection, rear$250$250 
Rearview camera  $200
Temporary spare tire$150$150 
Cargo Management 
Rear seat pass-through$100$100 
Storage compartment under front seat(s)  $50
Climate Control 
Heated windshield washer nozzles  $15
Rain-sensing wipers  $175
Rear air vents  $100
Rear air vents with manual controls$150$150 
Residual heat  $50
Variable intermittent wipers$75$75 
Drivetrain 
Limited-slip rear differential $300 
Exterior 
Bodyside moldings  $75
Laminated front side windows$200$200 
Rear spoiler $200 
Infotainment 
Aux input  $50
CD changer, in-dash$325$325 
CD changer, remote  $200
iPod integration  $100
Media drive  $15
MP3-compatible player  $50
Rear seat audio controls$25$25 
Telematics service, such as OnStar, with navigation$225$225 
Traffic information  $25
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200$200 
Auto-dimming passenger-side mirror  $75
Compass$0 $0
Cornering lights  $50
Fog light, rear  $100
Head-up display (HUD) $350 
Interior ambient lighting  $150
Mirror tilt-down in reverse  $25
Steering-linked headlights  $150
Seats and Interior Trim 
Cooled or ventilated front seats $300 
Folding second row seats  $300
Leather-wrapped steering wheel  $150
Wood/leather-wrapped steering wheel$150$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500 
Alloy wheels  $350
Auto-leveling rear shocks$200  
Polished alloy wheels$350$350 
Sport suspension (upgrade) $0$0
Transmission 
Steering-wheel-mounted transmission controls  $100
Total Value of Features$3,800$6,100$6,280
Value of Feature Adjustments$0$2,300$2,480
Value of Feature Adjustments0-2,175-2,309

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Specifications Comparison: Cadillac STS vs. Audi A6 / S6

Model Year20102010
ModelSTSA6 / S6
Body4dr Sedan4dr Sedan
Wheelbase116.4 in111.9 in
Length196.7 in193.5 in
Width72.6 in73.0 in
Height57.6 in57.5 in
Curb Weight3,995 lb.4,211 lb.
Fuel Capacity17.0 gal.21.1 gal.
Row 1 Headroom38.7 in38.7 in
Row 1 Shoulder Room58.6 in57.1 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 in55.9 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in36.9 in
Cargo Volume13.8 ft315.9 ft3

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Option Package Details
Cadillac STS V8 Luxury

Premium Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150Yes
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 Requested255082%
Total Not Requested57518%

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%

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