The current Alfa Romeo 4C is 3,990 mm long, 1,868 mm wide and 1,189 mm tall, on a 2,380 mm wheelbase.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 2013–2019 | 3,990 | 1,868 | 1,184 | 2,380 | 110 | 11.0 |
| 2015–2020Current | 3,990 | 1,868 | 1,189 | 2,380 | 110 | 11.0 |
Exterior figures are manufacturer specifications for the 4C, 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.