The current Mitsubishi Colt is 4,053 mm long, 1,798 mm wide and 1,440 mm tall, on a 2,583 mm wheelbase. It has grown 23 cm longer since the 1979 Colt.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1979–1985 | 3,822 | 1,587 | 1,345 | 2,324 | 229 | 10.0 |
| 1984–1988 | 3,945 | 1,629 | 1,360 | 2,380 | 250 | 9.8 |
| 1988–1992 | 3,951 | 1,669 | 1,380 | 2,385 | 315 | 9.8 |
| 1992–1996 | 3,955 | 1,690 | 1,364 | 2,440 | 240 | 10.0 |
| 1996–2004 | 3,880 | 1,680 | 1,365 | 2,415 | 240 | 10.0 |
| 2004–2007 | 3,870 | 1,695 | 1,550 | 2,500 | 220 | 10.8 |
| 2005–2007 | 3,811 | 1,695 | 1,520 | 2,500 | 220 | 10.8 |
| 2007–2008 | 3,835 | 1,695 | 1,532 | 2,500 | 220 | 10.8 |
| 2008–2014 | 3,911 | 1,695 | 1,535 | 2,500 | 220 | 10.8 |
| 2023–presentCurrent | 4,053 | 1,798 | 1,440 | 2,583 | 271 | 10.4 |
Exterior figures are manufacturer specifications for the Colt, 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.