| Model Year | 2012 | 2014 | |
| Model | BMW 7-Series | Mercedes-Benz B-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr Hatch | |
| Difference | |||
| Wheelbase | 126.4 in | 106.3 in | 20.1 in |
| Length | 205.3 in | 171.6 in | 33.7 in |
| Width | 74.9 in | 70.3 in | 4.6 in |
| Height | 58.7 in | 61.3 in | -2.6 in |
| Curb Weight | 4432 lb. | 3924 lb. | 508 lb. |
| Fuel Capacity | 21.7 gal. | 0.0 gal. | 21.7 gal. |
| Headroom, Row 1 | 40.8 in | 0.0 in | 40.8 in |
| Shoulder Room, Row 1 | 59.2 in | 0.0 in | 59.2 in |
| Legroom, Row 1 | 41.2 in | 0.0 in | 41.2 in |
| Headroom, Row 2 | 38.9 in | 0.0 in | 38.9 in |
| Shoulder Room, Row 2 | 57.6 in | 0.0 in | 57.6 in |
| Legroom, Row 2 | 44.3 in | 0.0 in | 44.3 in |
| Total Legroom | 85.5 in (over 2 rows) | 0 in (over 1 rows) | 85.5 in |
| Cargo Volume, Minimum | 17.7 ft3 | 21.0 ft3 | -3.3 ft3 |
| Cargo Volume, Maximum | 17.7 ft3 | 51.4 ft3 | -33.7 ft3 |
None of our members have yet commented on the seat room and comfort of the 2012 BMW 7-Series.
None of our members have yet commented on the seat room and comfort of the 2014 Mercedes-Benz B-Class.