Mercedes-BenzGLA | Mercedes-BenzGLB

2021 Mercedes-Benz GLA vs GLB: Differences compared side by side

There are now two small Mercedes-Benz SUVs (the GLA and GLB). In this side by side comparison see what’s different and what’s the same.

GLA
GLB
The second generation GLA is no longer a high riding hatch as it adopts a more traditional crossover design. The GLB, although based on the same MFA2 architecture, mimics the rugged G-Class.
GLA
GLB
The GLB is 224mm (8.8-in) longer (4,634mm vs 4,410mm / 182.4-in vs 173.6-in) overall, and has a 100mm (3.9-in) longer wheelbase (2829mm vs 2729mm / 111.4-in vs 107.4-in).
GLA
GLB
In terms of height, the GLB is 47mm (1.9-in) taller (1658mm vs 1611mm / 65.3-in vs 63.4-in). It also has a more upright tailgate.
GLA
GLB
All of this means the GLB is available as a 7 seater, while the GLA is strictly 5 seats only.
GLA
GLB
The two SUVs shares switches, equipment and their overall look, but have unique dashboards.
GLA
GLB
Like the exterior, the GLA is going for a slightly sportier look, but all the basic components are the same.
GLA
GLB
Both the GLA and GLB are available with a range of turbo I4 gas and diesel engines.
GLA
GLB
The GLA35 and GLB35 are the hottest models available at launch with a 2L turbo I4 with 225kW (302hp) and 400Nm (295 lb-ft).

2021 Mercedes-Benz GLA



2020 Mercedes-Benz GLB