The current Lancia Delta is 4,520 mm long, 1,797 mm wide and 1,499 mm tall, on a 2,700 mm wheelbase. It has grown 64 cm longer since the 1980 Delta.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1980–1983 | 3,885 | 1,620 | 1,380 | 2,465 | 260 | 10.5 |
| 1983–1993 | 3,897 | 1,651 | 1,377 | 2,477 | 242 | 10.5 |
| 1993–1996 | 4,011 | 1,710 | 1,401 | 2,540 | 320 | 10.3 |
| 1995–1996 | 4,011 | 1,759 | 1,430 | 2,540 | 320 | 10.3 |
| 1996–2000 | 4,011 | 1,737 | 1,430 | 2,540 | 320 | 10.3 |
| 2008–2015Current | 4,520 | 1,797 | 1,499 | 2,700 | 465 | 10.6 |
Exterior figures are manufacturer specifications for the Delta, 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.