The current Volvo 340 is 4,320 mm long, 1,674 mm wide and 1,412 mm tall, on a 2,398 mm wheelbase. It has grown 2 cm longer since the 1982 340.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1982–1985 | 4,300 | 1,660 | 1,392 | 2,395 | 380 | 9.2 |
| 1985–1992Current | 4,320 | 1,674 | 1,412 | 2,398 | 352 | 9.2 |
Exterior figures are manufacturer specifications for the 340, 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.