| | Power |
| Renault 21 TI / TXE | |  | | 120 PS @ 5500 |
| Citroen BX 19 Gti | |  | | 125 PS @ 5500 |
| | Torque |
| Renault 21 TI / TXE | |  | | 167 Nm @ 4500 |
| Citroen BX 19 Gti | |  | | 174 Nm @ 4500 |
| | Weight/Power ratio : |
| Renault 21 TI / TXE | |  | | 9.88 Kg/PS |
| Citroen BX 19 Gti | |  | | 8.88 Kg/PS |
|
| | Max Speed (in Km/h) |
| Renault 21 TI / TXE | |
    | | 196 to 210 Km/h |
| Citroen BX 19 Gti | |
    | | 193 to 199 Km/h |
| | 400m (in s.) |
| Renault 21 TI / TXE | |
    | | 17 to 17.6 s. |
| Citroen BX 19 Gti | |
    | | 16.8 to 17.1 s. |
| | Km (in s.) |
| Renault 21 TI / TXE | |
    | | 31.3 to 32.3 s. |
| Citroen BX 19 Gti | |
    | | 30.8 to 31.7 s. |
| | 0 to 60 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 4.5 to 4.5 s. |
| Citroen BX 19 Gti | |
    | | 4.4 to 4.6 s. |
| | 0 to 80 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 6.7 to 6.7 s. |
| Citroen BX 19 Gti | |
    | | 6.6 to 6.9 s. |
| | 0 to 100 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 9.7 to 11.2 s. |
| Citroen BX 19 Gti | |
    | | 9.8 to 10.2 s. |
| | 0 to 120 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 13.8 to 13.8 s. |
| Citroen BX 19 Gti | |
    | | 14.2 to 14.5 s. |
| | 0 to 140 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 19.8 to 19.8 s. |
| Citroen BX 19 Gti | |
    | | 20 to 21.5 s. |
| | 0 to 160 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 29.5 to 29.5 s. |
| Citroen BX 19 Gti | |
    | | 28.7 to 28.7 s. |
| | 80 to 100 in 4 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 6 to 6 s. |
| Citroen BX 19 Gti | |
    | | 4.5 to 4.5 s. |
| | 80 to 100 in 5 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 7 to 7 s. |
| Citroen BX 19 Gti | |
    | | 5.5 to 5.5 s. |
| | 80 to 120 in 3 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 7.6 to 7.6 s. |
| Citroen BX 19 Gti | |
    | | 6.7 to 6.7 s. |
| | 80 to 120 in 4 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 11.3 to 11.3 s. |
| Citroen BX 19 Gti | |
    | | 9.2 to 9.2 s. |
| | 80 to 120 in 5 (in s.) Kph as default unit |
| Renault 21 TI / TXE | |
    | | 14.8 to 15.3 s. |
| Citroen BX 19 Gti | |
    | | 12.5 to 14 s. |