Audi A3 2021–2024 vs Mercedes-Benz A-Class 2022– size comparison

Mercedes-Benz A-Class 2022– is 28 mm (0.6%) longer than Audi A3 2021–2024. It is 54 mm (2.9%) narrower, 1 mm (0.1%) taller and 98 mm (3.7%) longer in wheelbase. Boot space with the seats up is 321 L and 420 L (+99 L).

DimensionAudi A3 2021–2024Mercedes-Benz A-Class 2022–Difference
Length4542 mm4570 mm+28 mm (+0.6%)
Width1851 mm1797 mm-54 mm (-2.9%)
Height1412 mm1413 mm+1 mm (+0.1%)
Wheelbase2631 mm2729 mm+98 mm (+3.7%)
Boot321 L420 L+99 L

Audi A3 2021–2024 dimensions · Mercedes-Benz A-Class 2022– dimensions