The current Opel Vectra is 4,611 mm long, 1,798 mm wide and 1,460 mm tall, on a 2,700 mm wheelbase. It has grown 18 cm longer since the 1988 Vectra.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1988–1995 | 4,428 | 1,700 | 1,400 | 2,600 | 516 | 10.9 |
| 1995–1999 | 4,477 | 1,707 | 1,428 | 2,640 | 500 | 10.6 |
| 1999–2002 | 4,495 | 1,707 | 1,423 | 2,637 | 500 | 10.7 |
| 2002–2005 | 4,596 | 1,798 | 1,460 | 2,700 | 500 | 10.9 |
| 2005–2009Current | 4,611 | 1,798 | 1,460 | 2,700 | 500 | 10.9 |
The Opel Vectra offers 870 mm of rear legroom and 925 mm of rear headroom, with 1,130 mm of legroom and 980 mm of headroom up front. Rear shoulder room measures 1,475 mm across.
| Front | Rear | |
|---|---|---|
| Legroom | 1,130 mm | 870 mm |
| Headroom | 980 mm | 925 mm |
| Shoulder room | 1,485 mm | 1,475 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 Vectra, 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.