Mercedes-Benz GLA 2020 vs Mercedes-Benz GLB 2023 size comparison

Mercedes-Benz GLB 2023–2026 is 224 mm (5.1%) longer than Mercedes-Benz GLA 2020–2026. It is the same width, 81 mm (5.0%) taller and 100 mm (3.7%) longer in wheelbase. Boot space with the seats up is 435 L and 565 L (+130 L).

DimensionMercedes-Benz GLA 2020–2026Mercedes-Benz GLB 2023–2026Difference
Length4410 mm4634 mm+224 mm (+5.1%)
Width1834 mm1834 mm0 mm (0.0%)
Height1611 mm1692 mm+81 mm (+5.0%)
Wheelbase2729 mm2829 mm+100 mm (+3.7%)
Boot435 L565 L+130 L

Mercedes-Benz GLA 2020–2026 dimensions · Mercedes-Benz GLB 2023–2026 dimensions