Top speed: 8 of 8 variants rated.
Renault 20 TX tops the Renault 20 ranking by Top speed, at 178 km/h (111 mph).
Across 8 ranked variants, Top speed spans from 146 km/h (91 mph) to 178 km/h (111 mph).
| # | Variant | Year | Body | Fuel | Top speed |
|---|---|---|---|---|---|
| 1 | Renault 20 TX | 1980 | Hatchback | Petrol | 178 km/h (111 mph) |
| 2 | Renault 20 TX | 1980 | Hatchback | Petrol | 173 km/h (107 mph) |
| 3 | Renault 20 LS | 1977 | Hatchback | Petrol | 170 km/h (106 mph) |
| 4 | Renault 20 TS | 1977 | Hatchback | Petrol | 170 km/h (106 mph) |
| 5 | Renault 20 TS | 1977 | Hatchback | Petrol | 165 km/h (103 mph) |
| 6 | Renault 20 TL | 1977 | Hatchback | Petrol | 161 km/h (100 mph) |
| 7 | Renault 20 TD | 1980 | Hatchback | Diesel | 146 km/h (91 mph) |
| 8 | Renault 20 GTD | 1980 | Hatchback | Diesel | 146 km/h (91 mph) |