The current Maserati Quattroporte is 5,262 mm long, 1,948 mm wide and 1,481 mm tall, on a 3,171 mm wheelbase. It has grown 71 cm longer since the 1995 Quattroporte.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1995–2001 | 4,550 | 1,810 | 1,380 | 2,650 | 475 | 10.8 |
| 2004–2008 | 5,052 | 1,895 | 1,436 | 3,064 | 450 | 12.3 |
| 2008–2013 | 5,097 | 1,895 | 1,438 | 3,064 | 450 | 12.3 |
| 2013–presentCurrent | 5,262 | 1,948 | 1,481 | 3,171 | 530 | 11.8 |
Exterior figures are manufacturer specifications for the Quattroporte, 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.