BMW X3 M 2021–2024 vs Mercedes-Benz GLB 2026– size comparison
Mercedes-Benz GLB 2026– is 6 mm (0.1%) longer than BMW X3 M 2021–2024. It is 36 mm (1.9%) narrower, 12 mm (0.7%) taller and 25 mm (0.9%) longer in wheelbase. Boot space with the seats up is 550 L and 540 L (-10 L).
| Dimension | BMW X3 M 2021–2024 | Mercedes-Benz GLB 2026– | Difference |
|---|---|---|---|
| Length | 4726 mm | 4732 mm | +6 mm (+0.1%) |
| Width | 1897 mm | 1861 mm | -36 mm (-1.9%) |
| Height | 1669 mm | 1681 mm | +12 mm (+0.7%) |
| Wheelbase | 2864 mm | 2889 mm | +25 mm (+0.9%) |
| Boot | 550 L | 540 L | -10 L |
BMW X3 M 2021–2024 dimensions · Mercedes-Benz GLB 2026– dimensions