Cadillac CT6 Cadillac CT6 2018 Audi A6 / S6 Audi A6 / S6 2008

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Cadillac CT6 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 CT6 vs. Audi A6 / S6 Invoice Comparison

Lowest Total Price: $71,315

Cadillac CT6 Premium Luxury   
Difference: $11,175

Lowest Total Invoice: $67,738

Cadillac CT6 Premium Luxury   
Difference: $9,080

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820182008
ModelCT6CT6A6 / S6
TrimPremium LuxuryPlatinumS6
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $65,295 $84,295 $72,350
Base Invoice $62,030 $80,080 $67,285
CD player, remote 250    
Metallic paint (extra cost) 625    
Cargo mat 150 150  
Carbon fiber trim 0   400
3.0L V6 4,000 4,000  
Cargo net   60  
Technology Package     3,350
iPod integration     290
Laminated front side windows     900
Lane departure warning     900
Adaptive cruise control     2,000
Heated second row seats     225
CD player, remote 223    
Metallic paint (extra cost) 556    
Cargo mat 134 134  
Carbon fiber trim 0   373
3.0L V6 3,800 3,800  
Cargo net   53  
Technology Package     3,115
iPod integration     225
Laminated front side windows     838
Lane departure warning     838
Adaptive cruise control     1,860
Heated second row seats     209
Options (change) 5,025 4,210 8,065
Options (change) 4,713 3,987 7,458
Destination 995 995 775
Gas Tax 0 0 1,300
Total Price $71,315 $89,500 $82,490
Total Invoice $67,738 $85,062 $76,818

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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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TrueDelta Value Comparison: Cadillac CT6 vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Cadillac CT6 Premium Luxury
TrueDelta Adjusted Price Difference: $15,775
TrueDelta Adjusted Invoice Difference: $13,449
Model Year201820182008
ModelCT6CT6A6 / S6
TrimPremium LuxuryPlatinumS6
Body4dr Sedan4dr Sedan4dr Sedan
Engine404hp V6404hp V6435hp V10
TransmissionT8T8T6
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)18/26 MPG18/26 MPG14/19 MPG
Audio (watts, speakers)?, 10?, 34330, 13
Tire (rear if not all the same)245/45-19245/40-20265/35-19
Total Price$71,315$89,500$82,490
Adjustments for Features-4,600-15,0700
Feature-Adjusted Total Price$66,715$74,430$82,490
Cost Above Minimum$0$7,715$0
Total Invoice$67,738$85,062$76,818
Adjustments for Features-4,369-14,3230
Feature-Adjusted Total Invoice$63,369$70,739$76,818
Cost Above Minimum$0$7,370$0

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Features Comparison: Cadillac CT6 vs. Audi A6 / S6

Model Year201820182008
ModelCT6CT6A6 / S6
TrimPremium LuxuryPlatinumS6
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300 
6-speed manually-shiftable automatic  $1100
AWD$1700$1700$1700
Accessories 
AC power outlet$100$100 
Active noise reduction$0$0 
Adaptive cruise control  $600
Adaptive cruise control, all-speed $850 
Cruise control$150  
Electronic engine sound enhancement $0 
Hands-free trunk or liftgate$100$100 
Heated steering wheel$100$100 
Power trunk closer$350$350 
Remote app$25$25 
Remote start$150$150 
Semi-automated parking system$500$500 
Sunshades, second row$125$125 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0
Around view cameras$500$500 
Automatic braking, high-speed or partial $200 
Automatic braking, low-speed$200$200 
Backup collision intervention $150 
Blind spot warning system$200$200 
Cross-traffic warning, rear$100$100 
Following distance indicator$25$25 
Forward collision warning$200$200 
Full-size spare tire  $225
Hands-free driving on limited-access highways $1000 
Knee airbag, driver$75$75 
Knee airbag, passenger$75$75 
Lane keeping assist$400$400 
Night vision $1750 
Obstacle detection, front$150$150 
Pedestrian detection$50$50 
Radar- or camera-based collision preparation system$0$0 
Rearview camera  $200
Safety key$5$5 
Surround view video recorder$50$50 
Temporary spare tire$150$150 
Vehicle health reports$0$0 
Cargo Management 
Cargo net $40$40
Ski sack  $50
Storage compartment under front seat(s)  $50
Climate Control 
Automatic air recirculation  $100
Heated windshield washer nozzles  $15
Ionizing air filtration $50 
Rear air vents$100 $100
Rear air vents with automatic controls $250 
Rear dual-zone climate control $125 
Residual heat  $50
Engine / Motor 
Automatic start / stop$150$150 
Exterior 
Active grille shutters$0$0 
Bodyside cladding  $350
Panoramic sunroof$1200$1200 
Sunroof  $900
Infotainment 
4G LTE connectivity$0$0 
Android Auto support$100$100 
App support$0$0 
Apple CarPlay support$100$100 
Aux input$50$50 
Bluetooth audio streaming$25$25 
CD changer, remote  $200
CD player, remote$100  
Entertainment system with dual headrest screens $1200 
HD radio$50$50 
HDMI port $25 
iPod integration  $100
MP3-compatible player$50 $50
SMS text-to-speech reader$25$25 
Streaming video device $30 
Streaming video support $25 
Telematics service, such as OnStar, with navigation$225$225 
Traffic information$25$25 
USB port$25$25 
Voice control for external devices$0$0 
Wi-Fi hotspot$50$50 
Wireless charging station$75$75 
Instruments, Lights, and Mirrors 
Approach detection$25$25 
Auto-dimming headlights$200$200 
Auto-dimming passenger-side mirror  $75
Compass  $0
Cornering lights$50$50 
Fog light, rear  $100
Fog lights  $125
Head-up display (HUD)$350$350 
Headlight washers  $50
Large color reconfigurable instrument cluster display$250$250 
LED headlights$1000$1000 
Mirror tilt-down in reverse  $25
Rear camera mirror$200$200 
Steering-linked headlights  $150
Xenon HID headlights  $500
Seats and Interior Trim 
Carbon fiber trim$200 $200
Cooled or ventilated front seats$300$300 
Cooled or ventilated second row seats $200 
Door sill trim plates  $100
Folding second row seats  $300
Illuminated door sill trim plates$200$200 
Leather door panel trim $250$250
Manual thigh support length adjuster, driver seat  $50
Massage, driver seat $100 
Massage, passenger seat $100 
Massage, second row seats $150 
Memory system, passenger seat$150$150 
Power 4-way lumbar adjuster, second row seats $225 
Power recliner, second row seats $150 
Power thigh support length adjuster, driver seat $100 
Power thigh support length adjuster, passenger seat $100 
Power tilt adjuster, second row seats $150 
Power upper seatback recliner, driver seat $100 
Power upper seatback recliner, passenger seat $100 
Synthetic suede headliner $650 
Upholstered instrument panel$300  
Upholstered instrument panel, leather $1000 
Wood trim $300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500 
Rear wheel steering $1500 
Sport suspension (upgrade)  $0
Total Value of Features$12,355$22,825$7,755
Value of Feature Adjustments$4,600$15,070$0
Value of Feature Adjustments-4,369-14,3230

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Specifications Comparison: Cadillac CT6 vs. Audi A6 / S6

Model Year20182008
ModelCT6A6 / S6
Body4dr Sedan4dr Sedan
Wheelbase122.4 in111.9 in
Length204.0 in193.5 in
Width74.0 in73.1 in
Height57.9 in57.5 in
Curb Weight4,085 lb.4,486 lb.
Fuel Capacity19.5 gal.21.1 gal.
Row 1 Headroom40.1 in38.7 in
Row 1 Shoulder Room58.3 in57.1 in
Row 1 Hip Room55.8 in0.0 in
Row 1 Legroom42.3 in41.3 in
Row 2 Headroom38.0 in37.8 in
Row 2 Shoulder Room56.1 in55.9 in
Row 2 Hip Room53.4 in0.0 in
Row 2 Legroom40.4 in36.9 in
Cargo Volume15.3 ft315.9 ft3

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Option Package Details
Audi A6 / S6 S6

Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested1400100%
Total Not Requested00%

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