The current Fiat Uno is 3,689 mm long, 1,562 mm wide and 1,419 mm tall, on a 2,362 mm wheelbase. It has grown 5 cm longer since the 1983 Uno.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1983–1989 | 3,644 | 1,553 | 1,424 | 2,362 | 225 | 9.4 |
| 1989–1995Current | 3,689 | 1,562 | 1,419 | 2,362 | 227 | 9.4 |
Exterior figures are manufacturer specifications for the Uno, 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.