The current Seat Ibiza is 4,059 mm long, 1,780 mm wide and 1,435 mm tall, on a 2,564 mm wheelbase. It has grown 42 cm longer since the 1984 Ibiza.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1984–1991 | 3,639 | 1,610 | 1,394 | 2,448 | 320 | 10.1 |
| 1991–1993 | 3,683 | 1,610 | 1,394 | 2,443 | 320 | 10.1 |
| 1993–1996 | 3,813 | 1,640 | 1,424 | 2,440 | 270 | 9.8 |
| 1996–1999 | 3,853 | 1,640 | 1,421 | 2,443 | 270 | 9.8 |
| 1999–2002 | 3,877 | 1,640 | 1,422 | 2,443 | 250 | 10.5 |
| 2002–2006 | 3,953 | 1,698 | 1,441 | 2,460 | 267 | 10.6 |
| 2006–2009 | 3,977 | 1,698 | 1,441 | 2,460 | 267 | 10.6 |
| 2008–2012 | 4,044 | 1,693 | 1,437 | 2,469 | 288 | 10.5 |
| 2012–2017 | 4,044 | 1,693 | — | 2,469 | 288 | 10.5 |
| 2017–presentCurrent | 4,059 | 1,780 | 1,435 | 2,564 | 347 | 10.6 |
Exterior figures are manufacturer specifications for the Ibiza, 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.