| Model Year | 2022 | 2015 | |
| Model | Mercedes-Benz GLA | BMW X3 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 107.4 in | 110.6 in | -3.2 in |
| Length | 173.6 in | 183.8 in | -10.2 in |
| Width | 72.2 in | 74.1 in | -1.9 in |
| Height | 63.5 in | 66.1 in | -2.6 in |
| Curb Weight | 3384 lb. | 4030 lb. | -646 lb. |
| Fuel Capacity | 12.7 gal. | 17.7 gal. | -5 gal. |
| Headroom, Row 1 | 39.0 in | 40.7 in | -1.7 in |
| Shoulder Room, Row 1 | 55.9 in | 57.3 in | -1.4 in |
| Legroom, Row 1 | 41.0 in | 39.9 in | 1.1 in |
| Headroom, Row 2 | 38.1 in | 39.1 in | -1 in |
| Shoulder Room, Row 2 | 54.8 in | 56.0 in | -1.2 in |
| Legroom, Row 2 | 38.0 in | 36.5 in | 1.5 in |
| Total Legroom | 79 in (over 2 rows) | 76.4 in (over 2 rows) | 2.6 in |
| Cargo Volume, Minimum | 15.4 ft3 | 27.6 ft3 | -12.2 ft3 |
| Cargo Volume, Maximum | 50.5 ft3 | 63.3 ft3 | -12.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2022 Mercedes-Benz GLA.
None of our members have yet commented on the seat room and comfort of the 2015 BMW X3.