Fiat 84ci specs: 72 x 84 mm (2.8346 x 3.3071 in) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.
| Displacement | 84 ci |
|---|---|
| Cylinders | 4 |
| Bore | 2.835" |
| Stroke | 3.307" |
| Years | 2017–2020 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| MultiAir 1.4 Turbo | 84 ci | 2.8346" × 3.3071" | — | — |
This family is represented by a single engine in the database: 84 ci, 4 cylinders, a 2.8346" × 3.3071" bore and stroke.
All are undersquare — stroke larger than bore, favouring torque low in the range.
Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.