The current Mazda 929 is 4,885 mm long, 1,705 mm wide and 1,425 mm tall, on a 2,710 mm wheelbase. It has grown 13 cm longer since the 1980 929.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 1980–1982 | 4,757 | 1,690 | 1,408 | 2,610 | 455 | 10.0 |
| 1982–1984 | 4,657 | 1,690 | 1,398 | 2,615 | 477 | 10.4 |
| 1984–1987 | 4,700 | 1,690 | 1,420 | 2,615 | 486 | 10.4 |
| 1987–1991Current | 4,885 | 1,705 | 1,425 | 2,710 | 427 | 10.8 |
Exterior figures are manufacturer specifications for the 929, 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.