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2021 BMW 3-Series and 2015 Mercedes-Benz M-Class Specifications
| Model Year | 2021 | 2015 | |
| Model | BMW 3-Series | Mercedes-Benz M-Class | |
| Engine | turbocharged 3.0L I6 DOHC-4v 473 hp@6250 406 lb-ft@2650 |
turbocharged 5.5L V8 DOHC-4v 550 hp@5750 560 lb-ft@2000 |
|
| Transmission | 6-speed manual | 7-speed shiftable automatic | |
| Drivetrain | RWD | AWD | |
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 112.2 in | 114.8 in | -2.6 in |
| Length | 185.7 in | 189.1 in | -3.4 in |
| Width | 71.9 in | 75.2 in | -3.3 in |
| Height | 56.8 in | 70.7 in | -13.9 in |
| Curb Weight | 3840 lb. | 5238 lb. | -1398 lb. |
| Fuel Capacity | 15.6 gal. | 24.6 gal. | -9 gal. |
| Headroom, Row 1 | 38.7 in | 38.9 in | -0.2 in |
| Shoulder Room, Row 1 | 56.0 in | 58.5 in | -2.5 in |
| Legroom, Row 1 | 42.0 in | 40.3 in | 1.7 in |
| Headroom, Row 2 | 37.6 in | 38.5 in | -0.9 in |
| Shoulder Room, Row 2 | 54.6 in | 58.4 in | -3.8 in |
| Legroom, Row 2 | 35.2 in | 38.4 in | -3.2 in |
| Total Legroom | 77.2 in (over 2 rows) | 78.7 in (over 2 rows) | -1.5 in |
| Cargo Volume, Minimum | 16.9 ft3 | 36.2 ft3 | -19.3 ft3 |
| Cargo Volume, Maximum | 16.9 ft3 | 71.0 ft3 | -54.1 ft3 |
What Our Members Are Saying about the Seat Room and Comfort of the 2021 BMW 3-Series
None of our members have yet commented on the seat room and comfort of the 2021 BMW 3-Series.
What Our Members Are Saying about the Seat Room and Comfort of the 2015 Mercedes-Benz M-Class
None of our members have yet commented on the seat room and comfort of the 2015 Mercedes-Benz M-Class.
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