| Model Year | 2017 | 2023 | |
| Model | BMW 6-Series | Mercedes-Benz GLB | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 4dr SUV | |
| Difference | |||
| Wheelbase | 112.4 in | 111.4 in | 1 in |
| Length | 192.8 in | 182.4 in | 10.4 in |
| Width | 74.6 in | 72.2 in | 2.4 in |
| Height | 53.9 in | 65.3 in | -11.4 in |
| Curb Weight | 4001 lb. | 3638 lb. | 363 lb. |
| Fuel Capacity | 18.5 gal. | 15.9 gal. | 2.6 gal. |
| Headroom, Row 1 | 40.0 in | 40.7 in | -0.7 in |
| Shoulder Room, Row 1 | 56.9 in | 55.9 in | 1 in |
| Legroom, Row 1 | 42.1 in | 41.1 in | 1 in |
| Headroom, Row 2 | 35.7 in | 39.3 in | -3.6 in |
| Shoulder Room, Row 2 | 49.7 in | 54.9 in | -5.2 in |
| Legroom, Row 2 | 30.5 in | 38.1 in | -7.6 in |
| Headroom, Row 3 | 0.0 in | 34.8 in | -34.8 in |
| Shoulder Room, Row 3 | 0.0 in | 43.8 in | -43.8 in |
| Legroom, Row 3 | 0.0 in | 29.1 in | -29.1 in |
| Total Legroom | 72.6 in (over 2 rows) | 108.3 in (over 3 rows) | -35.7 in |
| Cargo Volume, Minimum | 16.2 ft3 | 22.0 ft3 | -5.8 ft3 |
| Cargo Volume, Maximum | 16.2 ft3 | 62.0 ft3 | -45.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2017 BMW 6-Series.
None of our members have yet commented on the seat room and comfort of the 2023 Mercedes-Benz GLB.