0–100 km/h: 16 of 16 variants rated.
Fiat Regata Weekend Diesel tops the Fiat Regata ranking by 0–100 km/h, at 18.9 s.
Across 16 ranked variants, 0–100 km/h spans from 10.0 s to 18.9 s.
| # | Variant | Year | Body | Fuel | 0–100 km/h |
|---|---|---|---|---|---|
| 1 | Fiat Regata Weekend Diesel | 1985 | Wagon | Diesel | 18.9 s |
| 2 | Fiat Regata Diesel | 1984 | Sedan | Diesel | 18.9 s |
| 3 | Fiat Regata 70 | 1984 | Sedan | Petrol | 16.5 s |
| 4 | Fiat Regata Weekend Diesel S | 1986 | Wagon | Diesel | 16.0 s |
| 5 | Fiat Regata Diesel S | 1984 | Sedan | Diesel | 16.0 s |
| 6 | Fiat Regata 85 S | 1984 | Sedan | Petrol | 15.1 s |
| 7 | Fiat Regata Weekend 70 | 1985 | Wagon | Petrol | 13.5 s |
| 8 | Fiat Regata 70 | 1984 | Sedan | Petrol | 13.5 s |
| 9 | Fiat Regata Turbo Diesel S | 1986 | Sedan | Diesel | 12.9 s |
| 10 | Fiat Regata 75 i.e. | 1987 | Sedan | Petrol | 12.0 s |
| 11 | Fiat Regata 90 i.e. S | 1988 | Sedan | Petrol | 11.3 s |
| 12 | Fiat Regata Weekend 85 | 1985 | Wagon | Petrol | 11.0 s |
| 13 | Fiat Regata 85 | 1984 | Sedan | Petrol | 11.0 s |
| 14 | Fiat Regata 85 S | 1984 | Sedan | Petrol | 11.0 s |
| 15 | Fiat Regata 100 i.e. S | 1986 | Sedan | Petrol | 10.0 s |
| 16 | Fiat Regata 100 S | 1984 | Sedan | Petrol | 10.0 s |