The current Honda Prelude is 4,520 mm long, 1,880 mm wide and 1,355 mm tall, on a 2,605 mm wheelbase. It has grown 43 cm longer since the 1979 Prelude.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1979–1982 | 4,090 | 1,635 | 1,290 | 2,320 | — | 10.0 |
| 1987–1992 | 4,490 | 1,695 | 1,295 | 2,565 | 380 | 10.6 |
| 1992–1996 | 4,440 | 1,765 | 1,290 | 2,550 | 278 | 11.0 |
| 1996–2000 | 4,545 | 1,750 | 1,315 | 2,585 | 284 | 11.0 |
| 2025–presentCurrent | 4,520 | 1,880 | 1,355 | 2,605 | — | 11.4 |
Exterior figures are manufacturer specifications for the Prelude, 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.