Audi A3 2021 vs Mercedes-Benz A-Class 2018 Sedan size comparison
Mercedes-Benz A-Class 2018–2022 Sedan is 7 mm (0.2%) longer than Audi A3 2021–2024. It is 55 mm (3.0%) narrower, 34 mm (2.4%) taller and 98 mm (3.7%) longer in wheelbase. Boot space with the seats up is 321 L and 420 L (+99 L).
| Dimension | Audi A3 2021–2024 | Mercedes-Benz A-Class 2018–2022 Sedan | Difference |
|---|---|---|---|
| Length | 4542 mm | 4549 mm | +7 mm (+0.2%) |
| Width | 1851 mm | 1796 mm | -55 mm (-3.0%) |
| Height | 1412 mm | 1446 mm | +34 mm (+2.4%) |
| Wheelbase | 2631 mm | 2729 mm | +98 mm (+3.7%) |
| Boot | 321 L | 420 L | +99 L |
Audi A3 2021–2024 dimensions · Mercedes-Benz A-Class 2018–2022 Sedan dimensions