Cadillac CT6 Cadillac CT6 2018 Audi A6 Audi A6 2006

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Cadillac CT6 vs. Audi A6 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 Invoice Comparison

Lowest Total Price: $62,790

Audi A6 4.2   
Difference: $4,375

Lowest Total Invoice: $57,832

Audi A6 4.2   
Difference: $5,972

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820182006
ModelCT6CT6A6
TrimPremium LuxuryPlatinum4.2
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $65,295 $84,295 $53,770
Base Invoice $62,030 $80,080 $49,559
CD player, remote 250    
Metallic paint (extra cost) 625    
Cargo net   60  
Cold Weather Package     400
Technology Package     3,800
Navigation system     1,800
Heated steering wheel     200
Adaptive cruise control     2,100
CD player, remote 223    
Metallic paint (extra cost) 556    
Cargo net   53  
Cold Weather Package     364
Technology Package     3,458
Navigation system     1,638
Heated steering wheel     182
Adaptive cruise control     1,911
Options (change) 875 60 8,300
Options (change) 779 53 7,553
Destination 995 995 720
Total Price $67,165 $85,350 $62,790
Total Invoice $63,804 $81,128 $57,832

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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 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac CT6 vs. Audi A6

Lowest Adjusted Price: Cadillac CT6 Premium Luxury
Lowest Adjusted Invoice: Audi A6 4.2
TrueDelta Adjusted Price Difference: $1,850
TrueDelta Adjusted Invoice Difference: $59
Model Year201820182006
ModelCT6CT6A6
TrimPremium LuxuryPlatinum4.2
Body4dr Sedan4dr Sedan4dr Sedan
Engine335hp V6335hp V6335hp V8
TransmissionT8T8T6
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)18/27 MPG18/27 MPG17/23 MPG
Audio (watts, speakers)?, 10?, 34330, 13
Tire (rear if not all the same)245/45-19245/40-20245/45-17
Total Price$67,165$85,350$62,790
Adjustments for Features-6,225-15,6950
Feature-Adjusted Total Price$60,940$69,655$62,790
Cost Above Minimum$0$8,715$0
Total Invoice$63,804$81,128$57,832
Adjustments for Features-5,913-14,9190
Feature-Adjusted Total Invoice$57,891$66,209$57,832
Cost Above Minimum$0$8,318$0

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Features Comparison: Cadillac CT6 vs. Audi A6

Model Year201820182006
ModelCT6CT6A6
TrimPremium LuxuryPlatinum4.2
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 
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 
Hands-free driving on limited-access highways $1000 
Knee airbag, driver$75$75 
Knee airbag, passenger$75$75 
Lane departure warning$200$200 
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 
Safety key$5$5 
Surround view video recorder$50$50 
Vehicle health reports$0$0 
Cargo Management 
Cargo net $40$40
Ski sack  $50
Storage compartment under front seat(s)  $50
Climate Control 
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 moldings  $75
Laminated front side windows$200$200 
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 
MP3-compatible player$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 
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 
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 
Cooled or ventilated front seats$300$300 
Cooled or ventilated second row seats $200 
Folding second row seats  $300
Illuminated door sill trim plates$200$200 
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 
Upholstered instrument panel$300  
Upholstered instrument panel, leather $1000 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500 
Rear wheel steering $1500 
Transmission 
Steering-wheel-mounted transmission controls$100$100 
Total Value of Features$12,380$21,850$6,155
Value of Feature Adjustments$6,225$15,695$0
Value of Feature Adjustments-5,913-14,9190

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Specifications Comparison: Cadillac CT6 vs. Audi A6

Model Year20182006
ModelCT6A6
Body4dr Sedan4dr Sedan
Wheelbase122.4 in111.9 in
Length204.0 in193.5 in
Width74.0 in73.1 in
Height57.9 in57.5 in
Curb Weight3,925 lb.4,145 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 4.2

Navigation system
FeatureValueRequested?
Navigation system600Yes
Trip computer150Yes
Outside temperature display50Yes
Total Requested800100%
Total Not Requested00%
Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Trip computer150Yes
Outside temperature display50Yes
Total Requested650100%
Total Not Requested00%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100Yes
Ski sack50No
Total Requested30086%
Total Not Requested5014%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested1200100%
Total Not Requested00%

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