The current BMW 5-Series is 5,067 mm long, 1,914 mm wide and 1,514 mm tall, on a 2,997 mm wheelbase. It has grown 45 cm longer since the 1974 5-Series.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1974–1981 | 4,620 | 1,690 | 1,425 | 2,636 | 620 | 10.5 |
| 1981–1988 | 4,619 | 1,702 | 1,411 | 2,626 | 460 | 10.9 |
| 1988–1995 | 4,720 | 1,751 | 1,412 | 2,761 | 460 | 11.0 |
| 1995–2003 | 4,775 | 1,800 | 1,435 | 2,830 | 460 | 11.3 |
| 2003–2010 | 4,841 | 1,846 | 1,468 | 2,888 | 520 | 11.4 |
| 2010–2013 | 4,899 | 1,860 | 1,464 | 2,968 | 520 | 12.0 |
| 2013–2017 | 4,906 | 1,860 | 1,464 | 2,968 | 520 | 12.0 |
| 2017–2020 | 4,940 | 1,869 | 1,477 | 2,975 | 520 | 12.1 |
| 2020–2023 | 4,966 | 1,871 | 1,479 | 2,976 | 502 | 12.4 |
| 2023–presentCurrent | 5,067 | 1,914 | 1,514 | 2,997 | 509 | 12.3 |
Exterior figures are manufacturer specifications for the 5-Series, 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.