Audi A6 / S6 Audi A6 / S6 2018 Cadillac CTS Cadillac CTS 2008

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Audi A6 / S6 vs. Cadillac CTS 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 CTS Invoice Comparison

Lowest Total Price: $45,865

Cadillac CTS   
Difference: $5,385

Lowest Total Invoice: $41,730

Cadillac CTS   
Difference: $6,003

Calculate Payments

  Down Payment Interest Rate Term
Model Year2018201820182008
ModelA6 / S6A6 / S6A6 / S6CTS
TrimA6 2.0TA6 3.0TS6 4.0 TFSIBase
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $49,700 $58,700 $71,900 $33,675
Base Invoice $46,222 $54,592 $66,868 $31,486
Metallic paint (extra cost) 575 575 575  
Competition Package   3,000    
Premium Luxury Collection       8,215
Temporary spare tire       250
Performance Collection, with summer tires       2,980
Metallic paint (extra cost) 536 536 536  
Competition Package   2,790    
Premium Luxury Collection       6,818
Temporary spare tire       208
Performance Collection, with summer tires       2,473
Options (change) 575 3,575 575 11,445
Options (change) 536 3,326 536 9,499
Destination 975 975 975 745
Total Price $51,250 $63,250 $73,450 $45,865
Total Invoice $47,733 $58,893 $68,379 $41,730

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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

Lowest Adjusted Price and Invoice: Cadillac CTS
TrueDelta Adjusted Price Difference: $4,245
TrueDelta Adjusted Invoice Difference: $4,941
Model Year2018201820182008
ModelA6 / S6A6 / S6A6 / S6CTS
TrimA6 2.0TA6 3.0TS6 4.0 TFSIBase
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine252hp I4340hp V6450hp V8hp
TransmissionS7T8S7M6
DrivetrainFWDAWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 10630, 14630, 14300, 10
Tire (rear if not all the same)245/45-18255/35-20255/35-20235/50-18
Total Price$51,250$63,250$73,450$45,865
Adjustments for Features-1,140-5,290-6,3900
Feature-Adjusted Total Price$50,110$57,960$67,060$45,865
Cost Above Minimum$0$7,850$16,950$0
Total Invoice$47,733$58,893$68,379$41,730
Adjustments for Features-1,062-4,926-5,9490
Feature-Adjusted Total Invoice$46,671$53,967$62,430$41,730
Cost Above Minimum$0$7,296$15,759$0

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Features Comparison: Audi A6 / S6 vs. Cadillac CTS

Model Year2018201820182008
ModelA6 / S6A6 / S6A6 / S6CTS
TrimA6 2.0TA6 3.0TS6 4.0 TFSIBase
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200 $1200 
8-speed manually-shiftable automatic $1300  
6-speed manual   $150
FWD$0   
AWD $1700$1700 
RWD   $0
Accessories 
Remote start   $150
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350$350
Brakes, Airbags, and Other Safety 
Blind spot warning system $200$200 
Collision preparation system, rear $100$100 
Knee airbag, driver$75$75$75 
Knee airbag, passenger$75$75$75 
Obstacle detection, front$150$150$150 
Rearview camera$200$200$200 
Rollover sensor$50$50$50 
Secondary collision brake assist$25$25$25 
Cargo Management 
Rear seat pass-through$100$100$100 
Climate Control 
Automatic air recirculation$100$100$100 
Heated windshield washer nozzles$15$15$15 
Rear air vents   $100
Rear air vents with automatic controls$250$250$250 
Rear dual-zone climate control $125$125 
Residual heat$50$50$50 
Super-heated washer fluid   $100
Drivetrain 
Active rear differential $500  
Limited-slip rear differential   $300
Engine / Motor 
Automatic start / stop$150$150$150 
Dual-mode exhaust, switchable  $500 
Regenerative braking$0$0$0 
Exterior 
Black exterior trim (optional) $0  
Laminated front side windows$200$200$200 
Painted brake calipers (optional) $0  
Panoramic sunroof   $1200
Sunroof$900$900$900 
Infotainment 
4G LTE connectivity$0$0$0 
Android Auto support$100$100$100 
Apple CarPlay support$100$100$100 
Bluetooth audio streaming$25$25$25 
Handwriting recognition$200$200$200 
HD radio$50$50$50 
In-vehicle Internet$150$150$150 
SD Card slot$25$25$25 
Surround sound $250$250$250
Telematics service, such as OnStar, with navigation   $225
Traffic + travel information$25$25$25 
Traffic information   $25
Wi-Fi hotspot$50$50$50 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75 
Auto-dimming passenger-side mirror $75$75 
Fog light, rear$100$100$100 
Fog lights   $125
Headlight washers   $50
LED headlights $1000$1000 
Mirror tilt-down in reverse$25$25$25 
Power-folding mirrors $50$50 
Steering-linked headlights   $150
Turn signals on or near mirrors$25$25$25 
Xenon HID headlights$500  $500
Seats and Interior Trim 
Aluminum trim $100  
Cooled or ventilated front seats   $300
Door sill trim plates$100  $100
Illuminated door sill trim plates $200$200 
Leather door panel trim $250$250 
Leather-wrapped steering wheel$150$150$150 
Metal pedals $75$75 
Power 4-way lumbar adjuster, driver seat$150$150$150 
Power 4-way lumbar adjuster, passenger seat $150$150 
Power lumbar adjuster, driver seat   $100
Power lumbar adjuster, passenger seat   $100
Upholstered instrument panel   $300
Wood trim$300 $300$300
Wood/leather-wrapped steering wheel   $150
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable  $1000 
Alloy wheels$350$350$350 
Electronic systems calibration selector$200$200$200 
Polished alloy wheels   $350
Sport suspension (upgrade) $0$0 
Ultra-sport suspension (upgrade)   $0
Transmission 
Steering-wheel-mounted transmission controls$100$100$100 
Total Value of Features$6,515$10,665$11,765$5,375
Value of Feature Adjustments$1,140$5,290$6,390$0
Value of Feature Adjustments-1,062-4,926-5,9490

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Specifications Comparison: Audi A6 / S6 vs. Cadillac CTS

Model Year20182008
ModelA6 / S6CTS
Body4dr Sedan4dr Sedan
Wheelbase114.6 in113.4 in
Length194.2 in191.6 in
Width73.8 in72.5 in
Height57.8 in58.0 in
Curb Weight3,804 lb.3,861 lb.
Fuel Capacity19.8 gal.18.0 gal.
Row 1 Headroom37.2 in38.8 in
Row 1 Shoulder Room57.5 in56.7 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.3 in42.4 in
Row 2 Headroom37.8 in37.2 in
Row 2 Shoulder Room56.3 in54.7 in
Row 2 Hip Room0.0 in54.1 in
Row 2 Legroom37.4 in35.9 in
Cargo Volume14.1 ft313.6 ft3

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Option Package Details
Audi A6 / S6 A6 3.0T

Competition Package
FeatureValueRequested?
Front sport buckets100No
Aluminum trim100No
Active rear differential500No
Painted brake calipers (optional)0No
255/35YR20 tires400No
Sport suspension (upgrade)250Yes
Upgraded leather upholstery0No
Power 4-way lumbar adjuster, passenger seat150No
Metal pedals75No
Dark-colored headliner (optional)0No
Leather door panel trim250No
Black exterior trim (optional)0No
Total Requested25014%
Total Not Requested157586%

Option Package Details
Cadillac CTS

Premium Luxury Collection
FeatureValueRequested?
Wood trim300Yes
Wood/leather-wrapped steering wheel0No
Panoramic sunroof1200No
Tilt/telescoping steering wheel, power100Yes
Cooled or ventilated front seats300No
Folding second row seats300Yes
Universal garage door opener100Yes
Obstacle detection, rear250Yes
Remote start150No
Proximity key250Yes
Second-row 2-section 3-person split bench100No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Traffic information25Yes
CD changer, in-dash200No
Rain-sensing wipers100Yes
Alarm100No
Machined alloy wheels0No
Interior ambient lighting150Yes
Super-heated washer fluid100No
Leather seating surfaces900Yes
Heated front seats200Yes
Power lumbar adjuster, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power lumbar adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Surround sound250Yes
Media drive, large15Yes
USB port25Yes
Bose, 300W, 10 speakers (with subwoofer)350No
Total Requested456565%
Total Not Requested250035%
Performance Collection, with summer tires
FeatureValueRequested?
235/50YR18 tires400No
Ultra-sport suspension (upgrade)250Yes
Performance braking system (optional)250No
Polished alloy wheels0No
Limited-slip rear differential300Yes
Fog lights125No
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Super-heated washer fluid100No
Leather seating surfaces900Yes
Heated front seats200Yes
Power lumbar adjuster, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power lumbar adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Total Requested305074%
Total Not Requested107526%

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