0–100 km/h: 5 of 8 variants rated.
Renault 20 TD tops the Renault 20 ranking by 0–100 km/h, at 20.6 s.
Across 5 ranked variants, 0–100 km/h spans from 11.6 s to 20.6 s.
| # | Variant | Year | Body | Fuel | 0–100 km/h |
|---|---|---|---|---|---|
| 1 | Renault 20 TD | 1980 | Hatchback | Diesel | 20.6 s |
| 2 | Renault 20 GTD | 1980 | Hatchback | Diesel | 20.6 s |
| 3 | Renault 20 LS | 1977 | Hatchback | Petrol | 13.2 s |
| 4 | Renault 20 TS | 1977 | Hatchback | Petrol | 13.2 s |
| 5 | Renault 20 TX | 1980 | Hatchback | Petrol | 11.6 s |