2018 Mercedes-Benz S-Class vs. 2018 BMW M6
When comparing the 2018 Mercedes-Benz S-Class's and the 2018 BMW M6's specifications and ratings, the 2018 Mercedes-Benz S-Class has the advantage in the areas of typical lower range of pricing for used cars, and fuel efficiency, reliability, resale value, interior volume and overall quality score. The 2018 BMW M6 has the advantage in the area of base engine power. Based on this comparison of the 2018 Mercedes-Benz S-Class's and the 2018 BMW M6's specifications and ratings, the 2018 Mercedes-Benz S-Class is a better car than the 2018 BMW M6.
2018 Mercedes-Benz S-Class vs. 2018 BMW M6 Pricing
A used 2018 Mercedes-Benz S-Class ranges from $37,989 to $92,978 while a used 2018 BMW M6 is priced between $41,950 to $65,661.
2018 Mercedes-Benz S-Class vs. 2018 BMW M6 Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the 2018 Mercedes-Benz S-Class loses 54.6 percent of its value and the 2018 BMW M6 loses 56.1 percent of its value. This means the 2018 Mercedes-Benz S-Class retains 1.5 percentage points more of its value and has the advantage of higher resale value versus the 2018 BMW M6.
2018 Mercedes-Benz S-Class vs. 2018 BMW M6 Quality Rating
The iSeeCars Overall Quality rating for the Mercedes-Benz S-Class is 7.8 out of 10 while the BMW M6's quality rating is 6.8 out of 10. This results in the Mercedes-Benz S-Class being ranked 8 out of 24 Best Luxury Large Cars and the BMW M6 being ranked 20 out of 29 Best Luxury Midsize Cars.
2018 Mercedes-Benz S-Class vs. 2018 BMW M6 Reliability Rating
iSeeCars’ Reliability Rating for the Mercedes-Benz S-Class is 8.3 out of 10. For the BMW M6 the reliability rating is 6.6 out of 10. This gives the Mercedes-Benz S-Class an advantage in reliability compared to the BMW M6.
Engine Power and Fuel Efficiency Comparison
For engine performance, the 2018 Mercedes-Benz S-Class’s base engine makes 362 horsepower, and the 2018 BMW M6 base engine makes 552 horsepower. The S-Class is rated to deliver an average of 22 miles per gallon, with a highway range of 689 miles. The M6 is rated to deliver an average of 16 miles per gallon, with a highway range of 422 miles. This gives the 2018 Mercedes-Benz S-Class the fuel efficiency and maximum range advantage over the 2018 BMW M6. Both models use premium unleaded.
Passenger Space Comparison
The 2018 Mercedes-Benz S-Class, a large car, has the advantage of offering more interior volume, reflected in more front shoulder room, rear head room, rear shoulder room, and cargo space. The 2018 BMW M6, a midsize car, has the advantage in the areas of front head room, front leg room and rear leg room.
Pricing
New Asking Price:
-
Used Asking Price:
37989 - 92978
5-Year Depreciation (lower is better):
0.546396
Pricing
New Asking Price:
-
Used Asking Price:
41950 - 65661
5-Year Depreciation (lower is better):
0.56109
Mercedes-Benz S-Class Scores & Rankings
Overall Score:
7.785683 / 10
Reliability:
8.271366 / 10
Retained Value:
7.3 / 10
Safety:
Not available
BMW M6 Scores & Rankings
Overall Score:
6.811418 / 10
Reliability:
6.622836 / 10
Retained Value:
7.0 / 10
Safety:
Not available
Mercedes-Benz S-Class Rankings
Ranking
2 out of / 24Ranking
3 out of / 24Ranking
4 out of / 24Ranking
4 out of / 11Ranking
5 out of / 6Ranking
8 out of / 24Ranking
10 out of / 11Ranking
11 out of / 24BMW M6 Rankings
Ranking
3 out of / 29Ranking
6 out of / 29Ranking
8 out of / 11Ranking
19 out of / 29Ranking
20 out of / 29Ranking
21 out of / 29Available Body Styles
Convertible, Coupe, Sedan
Available Body Styles
Convertible, Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
2018 Mercedes-Benz S-Class Trim Levels
Not yet available
2018 BMW M6 Trim Levels
Not yet available
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 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):
Not yet available
IIHS Safety Rating:
Not yet available
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
Base Drivetrain Specifications
Horsepower:
552 hp @ 6000 rpm
Torque:
502 foot-lbs @ 1500 rpm
Power-to-Weight Ratio (higher is better):
0.125 hp per pound
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):
467 / 689 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
4.4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
14 / 20 / 16
Range (city/hwy):
295 / 422 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Android Auto:
Standard
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
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Wireless Smartphone Charging:
Available
Standard/Optional Features
Android Auto:
N/A
Apple Car Play:
Available
Heated Seats
Standard
Heated Steering Wheel:
N/A
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Sunroof/Moonroof:
N/A
Adaptive Cruise Control:
N/A
Cooled/Ventilated Seats:
Available
Wireless Smartphone Charging:
Standard
Safety Equipment
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
360-Degree Camera:
Available
Lane Keeping Assist:
Available
Rear Cross-Traffic Alert:
Available
Pedestrian Detection:
N/A
Rear Seat Reminder:
N/A
Safety Equipment
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
360-Degree Camera:
N/A
Lane Keeping Assist:
N/A
Rear Cross-Traffic Alert:
N/A
Pedestrian Detection:
N/A
Rear Seat Reminder:
N/A
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
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:
97.0 cubic feet
Exterior Dimensions
Curb Weight:
4553 lbs
Width:
83.9 inches
Height:
58.8 inches
Length:
206.9 inches
Wheelbase:
124.6 inches
Ground Clearance:
5.1 inches
Exterior Dimensions
Curb Weight:
4430 lbs
Width:
82.9 inches
Height:
54.9 inches
Length:
197.5 inches
Wheelbase:
116.7 inches
Ground Clearance:
4.3 inches
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
245/50R18
Standard Wheel/Tire Information
Wheel Size:
20.0 x 9.5 inches
Wheel Type:
aluminum alloy
Tire Size:
265/35ZR20