The current BMW X1 is 4,500 mm long, 1,845 mm wide and 1,637 mm tall, on a 2,692 mm wheelbase. It has grown 5 cm longer since the 2009 X1.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 2009–2012 | 4,454 | 1,798 | 1,545 | 2,760 | 420 | 11.8 |
| 2012–2015 | 4,477 | 1,798 | 1,545 | 2,760 | 420 | 11.8 |
| 2015–2022 | 4,439 | 1,821 | 1,598 | 2,670 | 505 | 11.4 |
| 2022–presentCurrent | 4,500 | 1,845 | 1,637 | 2,692 | 515 | 11.7 |
Exterior figures are manufacturer specifications for the X1, 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.