| Model Year | 2019 | 2021 | |
| Model | Mercedes-Benz A-Class | BMW Z4 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 2dr Convertible | |
| Difference | |||
| Wheelbase | 107.4 in | 97.2 in | 10.2 in |
| Length | 179.1 in | 170.7 in | 8.4 in |
| Width | 70.7 in | 73.4 in | -2.7 in |
| Height | 56.9 in | 51.4 in | 5.5 in |
| Curb Weight | 3285 lb. | 3287 lb. | -2 lb. |
| Fuel Capacity | 13.5 gal. | 13.7 gal. | -0.2 gal. |
| Headroom, Row 1 | 40.3 in | 38.9 in | 1.4 in |
| Shoulder Room, Row 1 | 55.1 in | 54.3 in | 0.8 in |
| Legroom, Row 1 | 41.8 in | 42.2 in | -0.4 in |
| Headroom, Row 2 | 37.2 in | 0.0 in | 37.2 in |
| Shoulder Room, Row 2 | 54.0 in | 0.0 in | 54 in |
| Legroom, Row 2 | 33.9 in | 0.0 in | 33.9 in |
| Total Legroom | 75.7 in (over 2 rows) | 42.2 in (over 1 rows) | 33.5 in |
| Cargo Volume | 8.6 ft3 | 9.9 ft3 | -1.3 ft3 |
None of our members have yet commented on the seat room and comfort of the 2019 Mercedes-Benz A-Class.
None of our members have yet commented on the seat room and comfort of the 2021 BMW Z4.