Cadillac CT6 Cadillac CT6 2016 Audi A6 / S6 Audi A6 / S6 2014

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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: $87,480

Audi A6 / S6 S6 4.0 TFSI   
Difference: $1,625

Lowest Total Invoice: $81,423

Audi A6 / S6 S6 4.0 TFSI   
Difference: $1,920

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162014
ModelCT6A6 / S6
TrimPlatinumS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Base Price $83,465 $73,400
Base Invoice $78,040 $68,262
Metallic paint (extra cost) 495 500
Cargo mat 150 185
3.0L V6 4,000  
Cold Weather Package   500
Comfort Seating Package   2,000
Driver Assistance Package   2,800
Innovation Package   2,800
LED headlights   1,400
Synthetic suede headliner   3,000
Metallic paint (extra cost) 436 467
Cargo mat 132 172
3.0L V6 3,740  
Cold Weather Package   467
Comfort Seating Package   1,860
Driver Assistance Package   2,604
Innovation Package   2,604
LED headlights   1,302
Synthetic suede headliner   2,790
Options (change) 4,645 13,185
Options (change) 4,308 12,266
Destination 995 895
Total Price $89,105 $87,480
Total Invoice $83,343 $81,423

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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: $2,855
TrueDelta Adjusted Invoice Difference: $2,270
Model Year20162014
ModelCT6A6 / S6
TrimPlatinumS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Engine404hp V6420hp V8
TransmissionT8S7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)18/26 MPG17/27 MPG
Audio (watts, speakers)?, 34630, 14
Tire (rear if not all the same)245/40-20255/40-19
Total Price$89,105$87,480
Adjustments for Features-4,4800
Feature-Adjusted Total Price$84,625$87,480
Total Invoice$83,343$81,423
Adjustments for Features-4,1900
Feature-Adjusted Total Invoice$79,153$81,423

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Features Comparison: Cadillac CT6 vs. Audi A6 / S6

Model Year20162014
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 
Hands-free trunk or liftgate$100 
Power trunk closer$350 
Remote app$25 
Remote start$150 
Semi-automated parking system$500 
Sunshades, second row$125 
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 $150
Lane keeping assist$400 
Pedestrian detection$50 
Pedestrian detection, night $50
Rollover sensor $50
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
Drivetrain 
Active rear differential $500
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Active grille shutters$0 
Body kit $0
Laminated front side windows$200 
Panoramic sunroof$1200 
Sunroof $900
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
App support$0 
Apple CarPlay support$100 
CD player $125
DVD-compatible player $0
Entertainment system with dual headrest screens$1200 
Handwriting recognition $200
HDMI port$25 
In-vehicle Internet $150
iPod integration $100
Media drive $15
MP3-compatible player $50
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information $25
Traffic information$25 
USB port$25 
Voice control for external devices$0 
Wireless charging station$75 
Instruments, Lights, and Mirrors 
Approach detection$25 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Compass $0
Fog light, rear $100
Large color reconfigurable instrument cluster display$250 
Mirror tilt-down in reverse $25
Rear camera mirror$200 
Steering-linked headlights $150
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 
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$12,975$8,495
Value of Feature Adjustments$4,480$0
Value of Feature Adjustments-4,1900

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Specifications Comparison: Cadillac CT6 vs. Audi A6 / S6

Model Year20162014
ModelCT6A6 / S6
Body4dr Sedan4dr Sedan
Wheelbase122.4 in114.7 in
Length204.0 in193.9 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

Synthetic suede headliner
FeatureValueRequested?
Synthetic suede headliner650Yes
Dark-colored headliner (optional)0No
Total Requested650100%
Total Not Requested00%
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 adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh support 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?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Lane departure prevention system150Yes
Around view cameras300Yes
Automatic braking, low-speed200Yes
Forward collision alert200Yes
Wide-view front camera150No
Wide-view rear camera0No
Total Requested175092%
Total Not Requested1508%
Innovation Package
FeatureValueRequested?
Night vision1750Yes
Head-up display (HUD)350Yes
Pedestrian detection, night50No
Total Requested210098%
Total Not Requested502%

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