Cadillac CTS Cadillac CTS 2006 Audi A6 / S6 Audi A6 / S6 2008

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Cadillac CTS 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 CTS vs. Audi A6 / S6 Invoice Comparison

Lowest Total Price: $52,695

Cadillac CTS CTS-V   
Difference: $25,080

Lowest Total Invoice: $48,388

Cadillac CTS CTS-V   
Difference: $24,087

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062008
ModelCTSA6 / S6
TrimCTS-VS6
Body4dr Sedan4dr Sedan
Base Price $49,475 $72,350
Base Invoice $45,372 $67,285
Sunroof 1,200  
Technology Package   3,350
Sunroof 996  
Technology Package   3,115
Options (change) 1,200 3,350
Options (change) 996 3,115
Destination 720 775
Gas Tax 1,300 1,300
Total Price $52,695 $77,775
Total Invoice $48,388 $72,475

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

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

Lowest Adjusted Price and Invoice: Cadillac CTS CTS-V
TrueDelta Adjusted Price Difference: $20,250
TrueDelta Adjusted Invoice Difference: $19,586
Model Year20062008
ModelCTSA6 / S6
TrimCTS-VS6
Body4dr Sedan4dr Sedan
Engine400hp V8435hp V10
TransmissionM6T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)16/25 MPG14/19 MPG
Audio (watts, speakers)212, 8330, 13
Tire (rear if not all the same)245/45-18265/35-19
Total Price$52,695$77,775
Adjustments for Features0-4,830
Feature-Adjusted Total Price$52,695$72,945
Total Invoice$48,388$72,475
Adjustments for Features0-4,501
Feature-Adjusted Total Invoice$48,388$67,974

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Features Comparison: Cadillac CTS vs. Audi A6 / S6

Model Year20062008
ModelCTSA6 / S6
TrimCTS-VS6
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD $1700
Accessories 
Proximity key $250
Tilt steering wheel, manual$150 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Obstacle detection, rear $250
Rearview camera $200
Tires, run-flat$150 
Cargo Management 
Cargo mat $40
Ski sack $50
Storage compartment under front seat(s) $50
Climate Control 
Heated windshield washer nozzles $15
Rain-sensing wipers $175
Rear air vents $100
Residual heat $50
Variable intermittent wipers$75 
Drivetrain 
Limited-slip rear differential$300 
Exterior 
Body kit$0 
Bodyside cladding $350
Bodyside moldings$75 
Infotainment 
Bluetooth cell phone link $100
CD changer, in-dash$325 
CD changer, remote $200
MP3-compatible player $50
Surround sound $250
Telematics service, such as OnStar$200 
Traffic information$25 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75
Auto-dimming passenger-side mirror $75
Compass $0
Fog light, rear $100
Mirror tilt-down in reverse $25
Steering-linked headlights $150
Turn signals on or near mirrors $25
Seats and Interior Trim 
Manual thigh support length adjuster, driver seat $50
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power lumbar adjuster, driver seat$100 
Power lumbar adjuster, passenger seat$100 
Synthetic suede inserts in leather seating surfaces$0 
Wood trim $300
Suspension, Wheels, and Tires 
Sport suspension (upgrade) $0
Ultra-sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$1,650$6,480
Value of Feature Adjustments$0$4,830
Value of Feature Adjustments0-4,501

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Specifications Comparison: Cadillac CTS vs. Audi A6 / S6

Model Year20062008
ModelCTSA6 / S6
Body4dr Sedan4dr Sedan
Wheelbase113.4 in111.9 in
Length190.1 in193.5 in
Width70.6 in73.1 in
Height56.7 in57.5 in
Curb Weight3,850 lb.4,486 lb.
Fuel Capacity17.5 gal.21.1 gal.
Row 1 Headroom38.9 in38.7 in
Row 1 Shoulder Room56.6 in57.1 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom42.4 in41.3 in
Row 2 Headroom36.9 in37.8 in
Row 2 Shoulder Room56.2 in55.9 in
Row 2 Hip Room53.8 in0.0 in
Row 2 Legroom36.2 in36.9 in
Cargo Volume12.5 ft315.9 ft3

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Option Package Details
Audi A6 / S6 S6

Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250No
Rearview camera200No
Proximity key250No
Voice control for nav and audio100Yes
Total Requested70050%
Total Not Requested70050%

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