The current BMW Z4 is 4,324 mm long, 1,864 mm wide and 1,304 mm tall, on a 2,470 mm wheelbase. It has grown 23 cm longer since the 2003 Z4.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 2003–2009 | 4,091 | 1,781 | 1,299 | 2,495 | 240 | 9.8 |
| 2009–2018 | 4,239 | 1,790 | 1,291 | 2,496 | 180 | 10.7 |
| 2019–presentCurrent | 4,324 | 1,864 | 1,304 | 2,470 | 281 | 11.0 |
The BMW Z4 has 1,130 mm of front legroom and 955 mm of front headroom.
| Front | |
|---|---|
| Legroom | 1,130 mm |
| Headroom | 955 mm |
| Shoulder room | 1,460 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 Z4, 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.