Audi A3 2021–2024 vs Mercedes-Benz C-Class 2011–2014 size comparison

Mercedes-Benz C-Class 2011–2014 is 49 mm (1.1%) longer than Audi A3 2021–2024. It is 81 mm (4.4%) narrower, 35 mm (2.5%) taller and 129 mm (4.9%) longer in wheelbase. Boot space with the seats up is 321 L and 475 L (+154 L).

DimensionAudi A3 2021–2024Mercedes-Benz C-Class 2011–2014Difference
Length4542 mm4591 mm+49 mm (+1.1%)
Width1851 mm1770 mm-81 mm (-4.4%)
Height1412 mm1447 mm+35 mm (+2.5%)
Wheelbase2631 mm2760 mm+129 mm (+4.9%)
Boot321 L475 L+154 L

Audi A3 2021–2024 dimensions · Mercedes-Benz C-Class 2011–2014 dimensions