| Model Year | 2015 | 2017 | |
| Model | Mercedes-Benz B-Class | Mini Convertible | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Hatch | 2dr Convertible | |
| Difference | |||
| Wheelbase | 2,700 mm | 2,494 mm | 0 mm |
| Length | 4,359 mm | 3,838 mm | 1 mm |
| Width | 1,786 mm | 1,727 mm | 0 mm |
| Height | 1,557 mm | 1,415 mm | 0 mm |
| Curb Weight | 1,780 kg | 1,295 kg | 0 kg |
| Fuel Capacity | 0 L | 44 L | -44 L |
| Headroom, Row 1 | 0 mm | 1,011 mm | -1 mm |
| Shoulder Room, Row 1 | 0 mm | 1,295 mm | -1 mm |
| Legroom, Row 1 | 0 mm | 1,052 mm | -1 mm |
| Headroom, Row 2 | 0 mm | 991 mm | -991 mm |
| Shoulder Room, Row 2 | 0 mm | 1,008 mm | -1 mm |
| Legroom, Row 2 | 0 mm | 785 mm | -785 mm |
| Total Legroom | 0 mm (over 1 row) | 1,836 mm (over 2 rows) | -1 mm |
| Cargo Volume, Minimum | 595 L | 215 L | 380 L |
| Cargo Volume, Maximum | 1,455 L | 7.6 | -6.6 L |
None of our members have yet commented on the seat room and comfort of the 2015 Mercedes-Benz B-Class.
None of our members have yet commented on the seat room and comfort of the 2017 Mini Convertible.