BMW X3 2017–2021 vs Mercedes-Benz GLB 2026– size comparison
Mercedes-Benz GLB 2026– is 24 mm (0.5%) longer than BMW X3 2017–2021. It is 30 mm (1.6%) narrower, 5 mm (0.3%) 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 2017–2021 | Mercedes-Benz GLB 2026– | Difference |
|---|---|---|---|
| Length | 4708 mm | 4732 mm | +24 mm (+0.5%) |
| Width | 1891 mm | 1861 mm | -30 mm (-1.6%) |
| Height | 1676 mm | 1681 mm | +5 mm (+0.3%) |
| Wheelbase | 2864 mm | 2889 mm | +25 mm (+0.9%) |
| Boot | 550 L | 540 L | -10 L |
BMW X3 2017–2021 dimensions · Mercedes-Benz GLB 2026– dimensions