The current Porsche Cayenne is 4,921 mm long, 1,983 mm wide and 1,688 mm tall, on a 2,895 mm wheelbase. It has grown 14 cm longer since the 2002 Cayenne.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 2002–2007 | 4,783 | 1,928 | 1,699 | 2,855 | 540 | 11.4 |
| 2007–2010 | 4,797 | 1,934 | 1,693 | 2,855 | 540 | 11.4 |
| 2010–2017 | 4,846 | 1,942 | 1,703 | 2,895 | 670 | 11.9 |
| 2017–presentCurrent | 4,921 | 1,983 | 1,688 | 2,895 | 711 | 12.1 |
| 2019–2023 | 4,935 | 1,987 | 1,665 | 2,895 | 564 | 12.1 |
| 2026–present | 4,987 | 1,980 | 1,674 | 3,023 | 770 | 12.7 |
Exterior figures are manufacturer specifications for the Cayenne, 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.