Cadillac CT6 Cadillac CT6 2016 Audi A6 / S6 Audi A6 / S6 2018

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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: $85,990

Audi A6 / S6 S6 4.0 TFSI   
Difference: $3,115

Lowest Total Invoice: $80,048

Audi A6 / S6 S6 4.0 TFSI   
Difference: $3,295

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162018
ModelCT6A6 / S6
TrimPlatinumS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Base Price $83,465 $71,900
Base Invoice $78,040 $66,868
Metallic paint (extra cost) 495 575
Cargo mat 150 190
3.0L V6 4,000  
Cold Weather Package   500
Comfort Seating Package   1,850
Driver Assistance Package   2,000
Prestige Package   2,500
Night vision   2,500
Synthetic suede headliner   3,000
Metallic paint (extra cost) 436 536
Cargo mat 132 178
3.0L V6 3,740  
Cold Weather Package   467
Comfort Seating Package   1,722
Driver Assistance Package   1,860
Prestige Package   2,326
Night vision   2,326
Synthetic suede headliner   2,790
Options (change) 4,645 13,115
Options (change) 4,308 12,205
Destination 995 975
Total Price $89,105 $85,990
Total Invoice $83,343 $80,048

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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 CT6 dealer quotes or Audi A6 / S6 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Cadillac CT6 Platinum
TrueDelta Adjusted Price Difference: $990
TrueDelta Adjusted Invoice Difference: $545
Model Year20162018
ModelCT6A6 / S6
TrimPlatinumS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Engine404hp V6450hp V8
TransmissionT8S7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)18/26 MPG16/24 MPG
Audio (watts, speakers)?, 34630, 14
Tire (rear if not all the same)245/40-20255/35-20
Total Price$89,105$85,990
Adjustments for Features-4,1050
Feature-Adjusted Total Price$85,000$85,990
Total Invoice$83,343$80,048
Adjustments for Features-3,8400
Feature-Adjusted Total Invoice$79,503$80,048

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Features Comparison: Cadillac CT6 vs. Audi A6 / S6

Model Year20162018
ModelCT6A6 / S6
TrimPlatinumS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed automated manual $1200
AWD$1700$1700
Accessories 
AC power outlet$100 
Active noise reduction$0 
Electronic engine sound enhancement$0 
Remote app$25 
Remote start$150 
Semi-automated parking system$500 
Sunshade, rear, power $225
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial$200 
Backup collision intervention$150 
Collision preparation system, rear $100
Cross-traffic warning, rear$100 
Following distance indicator$25 
Lane departure prevention, steering-based $200
Lane keeping assist$400 
Pedestrian detection$50 
Pedestrian detection, night $50
Rollover sensor $50
Secondary collision brake assist $25
Surround view video recorder$50 
Vehicle health reports$0 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Cargo net $40
Climate Control 
Automatic air recirculation $100
Heated windshield washer nozzles $15
Ionizing air filtration$50 
Residual heat $50
Engine / Motor 
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Active grille shutters$0 
Panoramic sunroof$1200 
Sunroof $900
Infotainment 
App support$0 
CD player $125
DVD-compatible player $0
Entertainment system with dual headrest screens$1200 
Handwriting recognition $200
HDMI port$25 
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
SD Card slot $25
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information $25
Traffic information$25 
Voice control for external devices$0 
Wireless charging station$75 
Instruments, Lights, and Mirrors 
Approach detection$25 
Auto-dimming passenger-side mirror $75
Compass $0
Cornering lights$50 
Fog light, rear $100
Large color reconfigurable instrument cluster display$250 
Mirror tilt-down in reverse $25
Rear camera mirror$200 
Seats and Interior Trim 
Cooled or ventilated second row seats$200 
Coordinated climate control, front seats$0 
Folding second row seats $300
Massage, second row seats$150 
Metal pedals $75
Power 4-way lumbar adjuster, second row seats$225 
Power recliner, second row seats$150 
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Power tilt adjuster, second row seats$150 
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Upholstered instrument panel, leather$1000 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Rear wheel steering$1500 
Sport suspension (upgrade) $0
Total Value of Features$12,175$8,070
Value of Feature Adjustments$4,105$0
Value of Feature Adjustments-3,8400

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Specifications Comparison: Cadillac CT6 vs. Audi A6 / S6

Model Year20162018
ModelCT6A6 / S6
Body4dr Sedan4dr Sedan
Wheelbase122.4 in114.6 in
Length204.0 in194.2 in
Width74.0 in73.8 in
Height57.9 in57.8 in
Curb Weight4,083 lb.4,398 lb.
Fuel Capacity19.5 gal.19.8 gal.
Row 1 Headroom40.1 in37.2 in
Row 1 Shoulder Room58.3 in57.5 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 in56.3 in
Row 2 Hip Room53.4 in0.0 in
Row 2 Legroom40.4 in37.4 in
Cargo Volume15.3 ft314.1 ft3

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Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Night vision
FeatureValueRequested?
Night vision1750Yes
Pedestrian detection, night50No
Total Requested175097%
Total Not Requested503%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support length adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100No
Power thigh support length adjuster, passenger seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Memory system, passenger seat150Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Total Requested85068%
Total Not Requested40032%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Total Requested1700100%
Total Not Requested00%
Prestige Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225No
Power trunk closer350Yes
Head-up display (HUD)350Yes
Around view cameras300Yes
Wide-view front camera150No
Hands-free trunk or liftgate100Yes
Wide-view rear camera0No
Total Requested122577%
Total Not Requested37523%

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