The current Audi A4 is 4,762 mm long, 1,847 mm wide and 1,457 mm tall, on a 2,820 mm wheelbase. It has grown 28 cm longer since the 1996 A4.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1996–2001 | 4,479 | 1,733 | 1,417 | 2,616 | 390 | 11.1 |
| 1997–1999 | 4,488 | 1,733 | 1,396 | 2,607 | 390 | 11.4 |
| 2000–2001 | 4,525 | 1,799 | 1,386 | 2,607 | 390 | 11.4 |
| 2001–2004 | 4,547 | 1,767 | 1,428 | 2,650 | 442 | 11.1 |
| 2003–2008 | 4,575 | 1,781 | 1,440 | 2,651 | 442 | 11.5 |
| 2008–2011 | 4,703 | 1,826 | 1,436 | 2,808 | 490 | 11.4 |
| 2009–2011 | 4,720 | 1,837 | 1,475 | 2,807 | 490 | 11.4 |
| 2011–2016 | 4,699 | 1,826 | 1,415 | 2,808 | 490 | 11.4 |
| 2015–2019 | 4,725 | 1,842 | 1,434 | 2,820 | 505 | 11.6 |
| 2016–2019 | 4,749 | 1,842 | 1,483 | 2,819 | 505 | 11.6 |
| 2017–2018 | 4,781 | 1,866 | 1,404 | 2,826 | 505 | 11.7 |
| 2019–2024Current | 4,762 | 1,847 | 1,457 | 2,820 | 494 | 11.6 |
The Audi A4 offers 900 mm of rear legroom and 980 mm of rear headroom, with 1,210 mm of legroom and 1,030 mm of headroom up front. Rear shoulder room measures 1,500 mm across.
| Front | Rear | |
|---|---|---|
| Legroom | 1,210 mm | 900 mm |
| Headroom | 1,030 mm | 980 mm |
| Shoulder room | 1,510 mm | 1,500 mm |
Interior figures are the roomiest measurement (seat fully back), taken as the median across the current generation’s variants; individual trims vary.
Exterior figures are manufacturer specifications for the A4, averaged per generation across its variants and shown for the most common body style. Generations with the same size are merged. Boot capacity is the seats-up figure where the manufacturer quotes one.