Audi Q3 2025– vs Mercedes-Benz GLB 2023–2026 size comparison
Mercedes-Benz GLB 2023–2026 is 103 mm (2.3%) longer than Audi Q3 2025–. It is 25 mm (1.3%) narrower, 91 mm (5.7%) taller and 148 mm (5.5%) longer in wheelbase. Boot space with the seats up is 488 L and 565 L (+77 L).
| Dimension | Audi Q3 2025– | Mercedes-Benz GLB 2023–2026 | Difference |
|---|---|---|---|
| Length | 4531 mm | 4634 mm | +103 mm (+2.3%) |
| Width | 1859 mm | 1834 mm | -25 mm (-1.3%) |
| Height | 1601 mm | 1692 mm | +91 mm (+5.7%) |
| Wheelbase | 2681 mm | 2829 mm | +148 mm (+5.5%) |
| Boot | 488 L | 565 L | +77 L |
Audi Q3 2025– dimensions · Mercedes-Benz GLB 2023–2026 dimensions