BMW 6 Series vs. Mercedes-Benz CLS
In comparing the BMW 6 Series's and the Mercedes-Benz CLS's specifications and ratings, the BMW 6 Series has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and interior volume. The Mercedes-Benz CLS has the advantage in the areas of fuel efficiency, reliability, resale value, overall quality score and base engine power. Based on this comparison of the BMW 6 Series's and the Mercedes-Benz CLS's specifications and ratings, the Mercedes-Benz CLS is a better car than the BMW 6 Series.
BMW 6 Series vs. Mercedes-Benz CLS Pricing
A used 2019 BMW 6 Series ranges from $34,889 to $68,629 while a used 2019 Mercedes-Benz CLS is priced between $40,997 to $62,853.
BMW 6 Series vs. Mercedes-Benz CLS Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the BMW 6 Series loses 59.2 percent of its value and the Mercedes-Benz CLS loses 53.8 percent of its value. This means the Mercedes-Benz CLS retains 5.4 percentage points more of its value and has the advantage of higher resale value versus the BMW 6 Series.
BMW 6 Series vs. Mercedes-Benz CLS Quality Rating
The iSeeCars Overall Quality rating for the BMW 6 Series is 7.0 out of 10 while the Mercedes-Benz CLS's quality rating is 7.7 out of 10. This results in the BMW 6 Series being ranked 17 out of 24 Best Luxury Large Cars and the Mercedes-Benz CLS being ranked 11 out of 24.
BMW 6 Series vs. Mercedes-Benz CLS Reliability Rating
iSeeCars’ Reliability Rating for the BMW 6 Series is 7.1 out of 10. For the Mercedes-Benz CLS the reliability rating is 7.9 out of 10. This gives the Mercedes-Benz CLS a slight advantage in reliability compared to the BMW 6 Series.
Engine Power and Fuel Efficiency Comparison
For engine performance, the BMW 6 Series’s base engine makes 315 horsepower, and the Mercedes-Benz CLS base engine makes 362 horsepower. The 6 Series is rated to deliver an average of 23 miles per gallon, with a highway range of 537 miles. The CLS is rated to deliver an average of 26 miles per gallon, with a highway range of 654 miles. This gives the Mercedes-Benz CLS the fuel efficiency and maximum range advantage over the BMW 6 Series. Both models use premium unleaded.
Passenger Space Comparison
While both models are large cars, the BMW 6 Series has the advantage of offering more interior volume, reflected in more front head room, front leg room, rear head room, rear leg room, and cargo space. The Mercedes-Benz CLS has the advantage in the areas of front shoulder room and rear shoulder room.
Pricing
New Asking Price:
-
Used Asking Price:
$34,889 - $68,629
5-Year Depreciation (lower is better):
59.2%
Pricing
New Asking Price:
-
Used Asking Price:
$40,997 - $62,853
5-Year Depreciation (lower is better):
53.8%
BMW 6 Series Scores & Rankings
Overall Score:
7.0 / 10
Reliability:
7.1 / 10
Retained Value:
7.0 / 10
Safety:
Not available
Mercedes-Benz CLS Scores & Rankings
Overall Score:
7.7 / 10
Reliability:
7.9 / 10
Retained Value:
7.5 / 10
Safety:
Not available
BMW 6 Series Rankings
Ranking
5 out of / 24Ranking
7 out of / 24Ranking
11 out of / 11Ranking
15 out of / 24Ranking
17 out of / 24Ranking
17 out of / 24Ranking
18 out of / 24Mercedes-Benz CLS Rankings
Ranking
2 out of / 11Ranking
3 out of / 6Ranking
6 out of / 11Ranking
7 out of / 24Ranking
8 out of / 24Ranking
8 out of / 19Ranking
9 out of / 25Ranking
9 out of / 25Ranking
11 out of / 24Ranking
11 out of / 24Ranking
12 out of / 25Ranking
12 out of / 25Ranking
14 out of / 22Ranking
18 out of / 24Ranking
19 out of / 25Ranking
19 out of / 24Available Body Styles
Hatchback, Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
BMW 6 Series Trim Levels
Not yet available
Mercedes-Benz CLS Trim Levels
AMG CLS 53 S, CLS 450, CLS 450 4MATIC
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
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:
315 hp @ 5800 rpm
Torque:
330 foot-lbs @ 1300 rpm
Power-to-Weight Ratio (higher is better):
0.076 hp per pound
Base Drivetrain Specifications
Horsepower:
362 hp @ 5500 rpm
Torque:
369 foot-lbs @ 1600 rpm
Power-to-Weight Ratio (higher is better):
0.088 hp per pound
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Inline
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
20 / 29 / 23
Range (city/hwy):
370 / 537 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
Inline
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
24 / 31 / 26
Range (city/hwy):
506 / 654 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Apple Car Play:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Sunroof/Moonroof:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Android Auto:
N/A
Standard/Optional Features
Apple Car Play:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Sunroof/Moonroof:
Standard
Wireless Smartphone Charging:
Available
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Android Auto:
Standard
Safety Equipment
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Equipment
360-Degree Camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
40.6 inches
Front Leg Room:
42.1 inches
Front Shoulder Room:
56.7 inches
Rear Head Room:
37 inches
Rear Leg Room:
35.3 inches
Rear Shoulder Room:
54.6 inches
Cargo Space:
16.2 cubic feet
Overall Interior Volume:
97.3 cubic feet
Interior Dimensions
Front Head Room:
36.9 inches
Front Leg Room:
41.9 inches
Front Shoulder Room:
57.8 inches
Rear Head Room:
35.9 inches
Rear Leg Room:
35 inches
Rear Shoulder Room:
56.5 inches
Cargo Space:
11.9 cubic feet
Overall Interior Volume:
93.0 cubic feet
Exterior Dimensions
Curb Weight:
4165 lbs
Width:
82.3 inches
Height:
54.8 inches
Length:
197.1 inches
Wheelbase:
116.9 inches
Ground Clearance:
5 inches
Exterior Dimensions
Curb Weight:
4134 lbs
Width:
81.5 inches
Height:
55.3 inches
Length:
199.1 inches
Wheelbase:
115.7 inches
Ground Clearance:
3.7 inches
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
245/45R18
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
245/40R19
