The current Rolls-Royce Cullinan is 5,355 mm long, 2,000 mm wide and 1,835 mm tall, on a 3,295 mm wheelbase. It has grown 1 cm longer since the 2019 Cullinan.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 2019–2025 | 5,341 | 2,000 | 1,835 | 3,295 | 526 | 13.2 |
| 2025–presentCurrent | 5,355 | 2,000 | 1,835 | 3,295 | 612 | 13.2 |
Exterior figures are manufacturer specifications for the Cullinan, 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.