The current Hyundai i20 is 4,067 mm long, 1,775 mm wide and 1,451 mm tall, on a 2,580 mm wheelbase. It has grown 13 cm longer since the 2008 i20.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 2008–2012 | 3,940 | 1,710 | 1,490 | 2,525 | 295 | 10.4 |
| 2012–2014 | 3,995 | 1,710 | 1,490 | 2,525 | 295 | 10.4 |
| 2014–2020 | 4,035 | 1,734 | 1,474 | 2,570 | 326 | 10.2 |
| 2020–2023 | 4,040 | 1,775 | 1,450 | 2,580 | 283 | 10.2 |
| 2023–presentCurrent | 4,067 | 1,775 | 1,451 | 2,580 | 282 | 10.2 |
Exterior figures are manufacturer specifications for the i20, 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.