Cadillac CT6 vs. Mercedes-Benz S-Class
When we compare the Cadillac CT6 to the Mercedes-Benz S-Class, the Cadillac CT6 has the advantage in the area of typical lower range of pricing for one- to five-year-old used cars. The Mercedes-Benz S-Class has the advantage in the areas of fuel efficiency, interior volume, overall quality score and base engine power. Based on this comparison of the Cadillac CT6 versus the Mercedes-Benz S-Class, the Mercedes-Benz S-Class is a better car than the Cadillac CT6.
Cadillac CT6 vs. Mercedes-Benz S-Class Pricing
A used 2020 Cadillac CT6 ranges from $39,969 to $61,860 while a used 2020 Mercedes-Benz S-Class is priced between $57,796 to $121,918.
Cadillac CT6 vs. Mercedes-Benz S-Class Quality Rating
The iSeeCars Overall Quality rating for the Cadillac CT6 is 6.5 out of 10 while the Mercedes-Benz S-Class' quality rating is 8.0 out of 10. This results in the Cadillac CT6 being ranked 14 out of 25 Best Luxury Large Cars and the Mercedes-Benz S-Class being ranked 4 out of 25.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Cadillac CT6’s base engine makes 335 horsepower, and the Mercedes-Benz S-Class base engine makes 362 horsepower. The CT6 is rated to deliver an average of 21 miles per gallon, with a highway range of 518 miles. The S-Class is rated to deliver an average of 22 miles per gallon, with a highway range of 591 miles. The CT6 uses regular unleaded, and the S-Class uses premium unleaded.
Passenger Space Comparison
While both models are large cars, the Mercedes-Benz S-Class has the advantage of offering more interior volume, reflected in more front shoulder room, rear shoulder room, and cargo space. The Cadillac CT6 has the advantage in the areas of front head room, front leg room, rear head room and rear leg room.
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:
$57,796 - $121,918
5-Year Depreciation (lower is better):
54.6%
Cadillac CT6 Scores & Rankings
Overall Score:
6.5 / 10
Reliability:
5.9 / 10
Retained Value:
7.0 / 10
Safety:
Not available
Mercedes-Benz S-Class Scores & Rankings
Overall Score:
8.0 / 10
Reliability:
8.7 / 10
Retained Value:
7.3 / 10
Safety:
Not available
Cadillac CT6 Rankings
Ranking
13 out of / 25Ranking
14 out of / 25Ranking
14 out of / 25Mercedes-Benz S-Class Rankings
Ranking
1 out of / 25Ranking
2 out of / 8Ranking
4 out of / 25Ranking
10 out of / 25Summary 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
Convertible, Coupe, Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline, Plug-In Hybrid
Cadillac CT6 Trim Levels
3.6L Luxury, 3.6L Premium Luxury, 4.2TT Platinum
Mercedes-Benz S-Class Trim Levels
Not yet available
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 / 50000 miles
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):
Not yet available
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:
362 hp @ 5500 rpm
Torque:
369 foot-lbs @ 1800 rpm
Power-to-Weight Ratio (higher is better):
0.080 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:
3 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
19 / 28 / 22
Range (city/hwy):
401 / 591 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:
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
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:
Standard
Rear Cross-Traffic Alert:
Available
360-Degree Camera:
Available
Rear Seat Reminder:
N/A
Driver Attention Monitoring:
Standard
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:
39.7 inches
Front Leg Room:
41.4 inches
Front Shoulder Room:
59.7 inches
Rear Head Room:
37.4 inches
Rear Leg Room:
34.1 inches
Rear Shoulder Room:
59.1 inches
Cargo Space:
16.3 cubic feet
Overall Interior Volume:
112.0 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:
4553 lbs
Width:
83.9 inches
Height:
58.8 inches
Length:
206.9 inches
Wheelbase:
124.6 inches
Ground Clearance:
5 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:
18.0 x 8.0 inches
Wheel Type:
alloy
Tire Size:
245/50R18