Audi A3 2021–2024 vs Audi A4 2004–2008 size comparison
Audi A4 2004–2008 is 44 mm (1.0%) longer than Audi A3 2021–2024. It is 79 mm (4.3%) narrower, 15 mm (1.1%) taller and 17 mm (0.6%) longer in wheelbase. Boot space with the seats up is 321 L and 460 L (+139 L).
| Dimension | Audi A3 2021–2024 | Audi A4 2004–2008 | Difference |
|---|---|---|---|
| Length | 4542 mm | 4586 mm | +44 mm (+1.0%) |
| Width | 1851 mm | 1772 mm | -79 mm (-4.3%) |
| Height | 1412 mm | 1427 mm | +15 mm (+1.1%) |
| Wheelbase | 2631 mm | 2648 mm | +17 mm (+0.6%) |
| Boot | 321 L | 460 L | +139 L |