Audi A6 / S6 Audi A6 / S6 2011 Cadillac CT6 Cadillac CT6 2018

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Audi A6 / S6 vs. Cadillac CT6 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 CT6 Invoice Comparison

Lowest Total Price: $69,715

Cadillac CT6 Luxury   
Difference: $9,700

Lowest Total Invoice: $66,068

Cadillac CT6 Luxury   
Difference: $7,909

Calculate Payments

  Down Payment Interest Rate Term
Model Year2011201820182018
ModelA6 / S6CT6CT6CT6
TrimS6LuxuryPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $76,100 $59,195 $65,295 $84,295
Base Invoice $70,774 $56,235 $62,030 $80,080
Blind spot warning system 500      
Carbon fiber trim 400 0 0  
Cargo mat 125 150 150 150
All-weather floor mats 115      
Enhanced Vision and Comfort Package   2,500    
CD player, remote   250 250  
3.0L V6   6,000 4,000 4,000
Metallic paint (extra cost)   625 625  
Cargo net       60
Blind spot warning system 466      
Carbon fiber trim 372 0 0  
Cargo mat 100 134 134 134
All-weather floor mats 90      
Enhanced Vision and Comfort Package   2,225    
CD player, remote   223 223  
3.0L V6   5,700 3,800 3,800
Metallic paint (extra cost)   556 556  
Cargo net       53
Options (change) 1,140 9,525 5,025 4,210
Options (change) 1,028 8,838 4,713 3,987
Destination 875 995 995 995
Gas Tax 1,300 0 0 0
Total Price $79,415 $69,715 $71,315 $89,500
Total Invoice $73,977 $66,068 $67,738 $85,062

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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 CT6

Lowest Adjusted Price and Invoice: Cadillac CT6 Luxury
TrueDelta Adjusted Price Difference: $13,685
TrueDelta Adjusted Invoice Difference: $11,686
Model Year2011201820182018
ModelA6 / S6CT6CT6CT6
TrimS6LuxuryPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine435hp V10404hp V6404hp V6404hp V6
TransmissionT6T8T8T8
DrivetrainAWDAWDAWDAWD
EPA Fuel Economy (city/highway)14/19 MPG18/26 MPG18/26 MPG18/26 MPG
Audio (watts, speakers)255, 9?, 10?, 10?, 34
Tire (rear if not all the same)265/35-19245/45-19245/45-19245/40-20
Total Price$79,415$69,715$71,315$89,500
Adjustments for Features0-3,985-4,585-15,055
Feature-Adjusted Total Price$79,415$65,730$66,730$74,445
Cost Above Minimum$0$0$1,000$8,715
Total Invoice$73,977$66,068$67,738$85,062
Adjustments for Features0-3,777-4,355-14,308
Feature-Adjusted Total Invoice$73,977$62,291$63,383$70,754
Cost Above Minimum$0$0$1,092$8,463

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Features Comparison: Audi A6 / S6 vs. Cadillac CT6

Model Year2011201820182018
ModelA6 / S6CT6CT6CT6
TrimS6LuxuryPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   
8-speed manually-shiftable automatic $1300$1300$1300
AWD$1700$1700$1700$1700
Accessories 
AC power outlet $100$100$100
Active noise reduction $0$0$0
Adaptive cruise control, all-speed   $850
Cruise control$150$150$150 
Electronic engine sound enhancement   $0
Hands-free trunk or liftgate $100$100$100
Heated steering wheel $100$100$100
Power trunk closer $350$350$350
Remote app $25$25$25
Remote start $150$150$150
Semi-automated parking system $500$500$500
Sunshade, rear, power$225   
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0   
Around view cameras $500$500$500
Automatic braking, high-speed or partial   $200
Automatic braking, low-speed $200$200$200
Backup collision intervention   $150
Cross-traffic warning, rear $100$100$100
Following distance indicator $25$25$25
Forward collision warning $200$200$200
Full-size spare tire$225   
Hands-free driving on limited-access highways   $1000
Knee airbag, driver $75$75$75
Knee airbag, passenger $75$75$75
Lane departure warning $200$200$200
Lane keeping assist $400$400$400
Night vision   $1750
Obstacle detection, front $150$150$150
Pedestrian detection $50$50$50
Radar- or camera-based collision preparation system $0$0$0
Rearview camera$200   
Safety key $5$5$5
Surround view video recorder $50$50$50
Temporary spare tire $150$150$150
Vehicle health reports $0$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$100 
Rear air vents with automatic controls   $250
Rear dual-zone climate control   $125
Residual heat$50   
Engine / Motor 
Automatic start / stop $150$150$150
Exterior 
Active grille shutters $0$0$0
Bodyside cladding$350   
Laminated front side windows $200$200$200
Panoramic sunroof $1200$1200$1200
Sunroof$900   
Infotainment 
4G LTE connectivity $0$0$0
Android Auto support $100$100$100
App support $0$0$0
Apple CarPlay support $100$100$100
Bluetooth audio streaming $25$25$25
CD changer, remote$200   
CD player, remote $100$100 
DVD-compatible player$0   
Entertainment system with dual headrest screens   $1200
HDMI port   $25
iPod integration$100   
Media drive$15   
MP3-compatible player$50$50$50 
SMS text-to-speech reader $25$25$25
Streaming video device   $30
Streaming video support   $25
Telematics service, such as OnStar, with navigation $225$225$225
USB port $25$25$25
Voice control for external devices $0$0$0
Wi-Fi hotspot $50$50$50
Wireless charging station $75$75$75
Instruments, Lights, and Mirrors 
Approach detection $25$25$25
Auto-dimming headlights $200$200$200
Auto-dimming passenger-side mirror$75   
Compass$0   
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$1000
Mirror tilt-down in reverse$25   
Power-folding mirrors $50$50$50
Rear camera mirror $200$200$200
Steering-linked headlights$150   
Xenon HID headlights$500   
Seats and Interior Trim 
All-weather floor mats$75   
Carbon fiber trim$200$200$200 
Cooled or ventilated front seats $300$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$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$150
Power 4-way lumbar adjuster, second row seats   $225
Power headrest height adjuster, driver seat$50   
Power headrest height adjuster, passenger seat$50   
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$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$7,720$11,705$12,305$22,775
Value of Feature Adjustments$0$3,985$4,585$15,055
Value of Feature Adjustments0-3,777-4,355-14,308

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Specifications Comparison: Audi A6 / S6 vs. Cadillac CT6

Model Year20112018
ModelA6 / S6CT6
Body4dr Sedan4dr Sedan
Wheelbase111.9 in122.4 in
Length193.5 in204.0 in
Width73.0 in74.0 in
Height57.5 in57.9 in
Curb Weight4,519 lb.4,085 lb.
Fuel Capacity21.1 gal.19.5 gal.
Row 1 Headroom38.7 in40.1 in
Row 1 Shoulder Room57.1 in58.3 in
Row 1 Hip Room0.0 in55.8 in
Row 1 Legroom41.3 in42.3 in
Row 2 Headroom37.8 in38.0 in
Row 2 Shoulder Room55.9 in56.1 in
Row 2 Hip Room0.0 in53.4 in
Row 2 Legroom36.9 in40.4 in
Cargo Volume15.9 ft315.3 ft3

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Option Package Details
Cadillac CT6 Luxury

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50Yes
Total Requested150100%
Total Not Requested00%
Enhanced Vision and Comfort Package
FeatureValueRequested?
Heated second row seats200Yes
Cooled or ventilated front seats300No
Panoramic sunroof1200No
Rear camera mirror200No
Total Requested20011%
Total Not Requested170089%
turbocharged
3.0L V6
DOHC-4v
404 hp@5500
400 lb-ft@2500
FeatureValueRequested?
turbocharged
3.0L V6
DOHC-4v
404 hp@5500
400 lb-ft@2500
1000Yes
AWD0Yes
245/45HR19 tires400No
Total Requested100071%
Total Not Requested40029%

Option Package Details
Cadillac CT6 Premium Luxury

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50Yes
Total Requested150100%
Total Not Requested00%

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