The current Opel Grandland is 4,650 mm long, 1,905 mm wide and — mm tall, on a 2,784 mm wheelbase. It has grown 17 cm longer since the 2017 Grandland.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 2017–2021 | 4,477 | 1,856 | 1,523 | 2,675 | 493 | 10.6 |
| 2021–2024 | 4,477 | 1,857 | 1,609 | 2,675 | 478 | 10.7 |
| 2024–presentCurrent | 4,650 | 1,905 | — | 2,784 | 540 | 11.1 |
The Opel Grandland offers 910 mm of rear legroom and 960 mm of rear headroom, with 1,100 mm of legroom and 1,000 mm of headroom up front. Rear shoulder room measures 1,430 mm across.
| Front | Rear | |
|---|---|---|
| Legroom | 1,100 mm | 910 mm |
| Headroom | 1,000 mm | 960 mm |
| Shoulder room | 1,460 mm | 1,430 mm |
Interior figures are the roomiest measurement (seat fully back), taken as the median across the current generation’s variants; individual trims vary.
Exterior figures are manufacturer specifications for the Grandland, 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.