Cadillac CT6 vs. Audi A6
When comparing the Cadillac CT6 to the Audi A6, the Cadillac CT6 has the advantage in the areas of interior volume and base engine power. The Audi A6 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency and overall quality score. Based on this comparison of the Cadillac CT6 versus the Audi A6, the Audi A6 is a better car than the Cadillac CT6.
Cadillac CT6 vs. Audi A6 Pricing
A used 2020 Cadillac CT6 ranges from $39,969 to $61,860 while a used 2020 Audi A6 is priced between $34,031 to $49,999.
Cadillac CT6 vs. Audi A6 Quality Rating
The iSeeCars Overall Quality rating for the Cadillac CT6 is 6.5 out of 10 while the Audi A6's quality rating is 8.4 out of 10. This results in the Cadillac CT6 being ranked 14 out of 25 Best Luxury Large Cars and the Audi A6 being ranked 5 out of 29 Best Luxury Midsize Cars.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Cadillac CT6’s base engine makes 335 horsepower, and the Audi A6 base engine makes 248 horsepower. The CT6 is rated to deliver an average of 21 miles per gallon, with a highway range of 518 miles. The A6 is rated to deliver an average of 27 miles per gallon, with a highway range of 618 miles. The CT6 uses regular unleaded, and the A6 uses premium unleaded.
Passenger Space Comparison
The Cadillac CT6, a large car, has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, front leg room, rear leg room, and cargo space. The Audi A6, a midsize car, has the advantage in the areas of rear head room and rear shoulder room.
Safety Ratings Comparison
The Audi A6 has an average safety rating of 5 out of 5 Stars based on NHTSA's crash test ratings.
Pricing
New Asking Price:
-
Used Asking Price:
$39,969 - $61,860
5-Year Depreciation (lower is better):
56.3%
Pricing
New Asking Price:
-
Used Asking Price:
$34,031 - $49,999
5-Year Depreciation (lower is better):
58.2%
Cadillac CT6 Scores & Rankings
Overall Score:
6.5 / 10
Reliability:
5.9 / 10
Retained Value:
7.0 / 10
Safety:
Not available
Audi A6 Scores & Rankings
Overall Score:
8.4 / 10
Reliability:
8.6 / 10
Retained Value:
6.6 / 10
Safety:
10.0 / 10
Cadillac CT6 Rankings
Ranking
13 out of / 25Ranking
14 out of / 25Ranking
14 out of / 25Audi A6 Rankings
Ranking
3 out of / 8Ranking
5 out of / 29Ranking
5 out of / 29Ranking
25 out of / 29Summary Review
Not yet available
Summary Review
Not yet available
Pros and Cons
Not yet available
Pros and Cons
Not yet available
Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Cadillac CT6 Trim Levels
3.6L Luxury, 3.6L Premium Luxury, 4.2TT Platinum
Audi A6 Trim Levels
quattro Premium 45 TFSI, quattro Premium 55 TFSI, quattro Premium Plus 45 TFSI, quattro Premium Plus 55 TFSI, quattro Prestige 45 TFSI, quattro Prestige 55 TFSI
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
6 years / 70000 miles
Warranty, Roadside Assistance:
6 years / 70000 miles
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Base Drivetrain Specifications
Horsepower:
335 hp @ 6800 rpm
Torque:
284 foot-lbs @ 5300 rpm
Power-to-Weight Ratio (higher is better):
0.082 hp per pound
Base Drivetrain Specifications
Horsepower:
248 hp @ 4300 rpm
Torque:
273 foot-lbs @ 1600 rpm
Power-to-Weight Ratio (higher is better):
0.060 hp per pound
Engine Specifications
Engine Size:
3.6 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
18 / 27 / 21
Range (city/hwy):
346 / 518 miles
Recommended Fuel Type:
Regular Unleaded
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
24 / 32 / 27
Range (city/hwy):
463 / 618 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Apple CarPlay:
Standard
Android Auto:
Standard
Wireless Smartphone Charging:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Adaptive Cruise Control:
Available
Heated Seats:
Standard
Cooled/Ventilated Seats:
Available
Leather Upholstery:
Standard
Navigation System:
Standard
Sunroof/Moonroof:
Standard
Heated Steering Wheel:
Available
Standard/Optional Features
Apple CarPlay:
Standard
Android Auto:
Standard
Wireless Smartphone Charging:
Available
Keyless Entry:
Standard
Keyless Ignition:
Available
Adaptive Cruise Control:
Available
Heated Seats:
Standard
Cooled/Ventilated Seats:
Available
Leather Upholstery:
Standard
Navigation System:
Standard
Sunroof/Moonroof:
Standard
Heated Steering Wheel:
Available
Safety Equipment
Forward Collision Warning:
Standard
Pedestrian Detection:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Blind Spot Monitoring:
Standard
Rear Cross-Traffic Alert:
Standard
360-Degree Camera:
Available
Rear Seat Reminder:
Standard
Driver Attention Monitoring:
Available
Safety Equipment
Forward Collision Warning:
Standard
Pedestrian Detection:
N/A
Lane Departure Warning:
Standard
Lane Keeping Assist:
Available
Blind Spot Monitoring:
Available
Rear Cross-Traffic Alert:
Available
360-Degree Camera:
Available
Rear Seat Reminder:
N/A
Driver Attention Monitoring:
N/A
Interior Dimensions
Front Head Room:
40.2 inches
Front Leg Room:
46.4 inches
Front Shoulder Room:
58.3 inches
Rear Head Room:
38 inches
Rear Leg Room:
40.4 inches
Rear Shoulder Room:
56.2 inches
Cargo Space:
15.8 cubic feet
Overall Interior Volume:
110.0 cubic feet
Interior Dimensions
Front Head Room:
38 inches
Front Leg Room:
41.3 inches
Front Shoulder Room:
57.8 inches
Rear Head Room:
38.1 inches
Rear Leg Room:
37.4 inches
Rear Shoulder Room:
56.5 inches
Cargo Space:
13.7 cubic feet
Overall Interior Volume:
99.0 cubic feet
Exterior Dimensions
Curb Weight:
4063 lbs
Width:
74 inches
Height:
58 inches
Length:
205.8 inches
Wheelbase:
122.4 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
4101 lbs
Width:
83.1 inches
Height:
57.4 inches
Length:
194.4 inches
Wheelbase:
115.1 inches
Ground Clearance:
4.2 inches
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
painted alloy
Tire Size:
P245/45R19
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
alloy
Tire Size:
245/45R19
