GMC Terrain 2018–2021 vs Mercedes-Benz GLB 2025– size comparison
Mercedes-Benz GLB 2025– is 4 mm (0.1%) longer than GMC Terrain 2018–2021. It is 181 mm (9.8%) wider, 31 mm (1.9%) taller and 104 mm (3.8%) longer in wheelbase. Boot space with the seats up is 838 L and 565 L (-273 L).
| Dimension | GMC Terrain 2018–2021 | Mercedes-Benz GLB 2025– | Difference |
|---|---|---|---|
| Length | 4630 mm | 4634 mm | +4 mm (+0.1%) |
| Width | 1839 mm | 2020 mm | +181 mm (+9.8%) |
| Height | 1661 mm | 1692 mm | +31 mm (+1.9%) |
| Wheelbase | 2725 mm | 2829 mm | +104 mm (+3.8%) |
| Boot | 838 L | 565 L | -273 L |
GMC Terrain 2018–2021 dimensions · Mercedes-Benz GLB 2025– dimensions