The current Morgan Plus 8 is 4,010 mm long, 1,751 mm wide and 1,220 mm tall, on a — mm wheelbase. It has grown 5 cm longer since the 1989 Plus 8.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1989–2004 | 3,960 | 1,630 | 1,290 | 2,490 | 140 | 11.0 |
| 2012–2019Current | 4,010 | 1,751 | 1,220 | — | 102 | 10.0 |
Exterior figures are manufacturer specifications for the Plus 8, 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.