The current Ford Transit Custom is 5,250 mm long, 1,999 mm wide and 1,426 mm tall, on a 3,300 mm wheelbase. It has grown 13 cm longer since the 2012 Transit Custom.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 2012–2018 | 5,125 | 1,986 | 1,406 | 3,086 | — | 11.6 |
| 2018–2023 | 5,145 | 1,986 | 1,406 | 3,106 | — | 11.6 |
| 2023–2024Current | 5,250 | 1,999 | 1,426 | 3,300 | — | 12.4 |
Exterior figures are manufacturer specifications for the Transit Custom, 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.