| Model Year | 2016 | 2020 | |
| Model | Mercedes-Benz B-Class | BMW Z4 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Hatch | 2dr Convertible | |
| Difference | |||
| Wheelbase | 106.3 in | 97.2 in | 9.1 in |
| Length | 171.6 in | 170.7 in | 0.9 in |
| Width | 70.3 in | 73.4 in | -3.1 in |
| Height | 61.3 in | 51.4 in | 9.9 in |
| Curb Weight | 3924 lb. | 3287 lb. | 637 lb. |
| Fuel Capacity | 0.0 gal. | 13.7 gal. | -13.7 gal. |
| Headroom, Row 1 | 0.0 in | 38.9 in | -38.9 in |
| Shoulder Room, Row 1 | 0.0 in | 54.3 in | -54.3 in |
| Legroom, Row 1 | 0.0 in | 42.2 in | -42.2 in |
| Total Legroom | 0 in (over 1 rows) | 42.2 in (over 1 rows) | -42.2 in |
| Cargo Volume, Minimum | 21.0 ft3 | 9.9 ft3 | 11.1 ft3 |
| Cargo Volume, Maximum | 51.4 ft3 | 9.9 ft3 | 41.5 ft3 |
None of our members have yet commented on the seat room and comfort of the 2016 Mercedes-Benz B-Class.
None of our members have yet commented on the seat room and comfort of the 2020 BMW Z4.