El Opel Astra G (1998-2004) se ofreció con 22 configuraciones de motor distintas en toda su gama.
| Motor | Potencia | Par motor | Transmisión | Ruedas motrices | Velocidad máxima | 0-100 km/h | Consumo | Disponible en |
|---|---|---|---|---|---|---|---|---|
| 2.2L Gasolina | 147 hp | 203 Nm | Automatic | Front Wheel Drive | 208 km/h | 10.0 s | 8.5 l/100km | 5 acabados |
| 2.2L Gasolina | 147 hp | 203 Nm | Manual | Front Wheel Drive | 214 km/h | 8.8 s | 8.4 l/100km | 8 acabados |
| 2.0L Gasolina | 136 hp | 188 Nm | Automatic | Front Wheel Drive | 200 km/h | 10.5 s | 9.3 l/100km | 2 acabados |
| 2.0L Gasolina | 136 hp | 188 Nm | Manual | Front Wheel Drive | 208 km/h | 9.0 s | 8.6 l/100km | 4 acabados |
| 2.2L Diésel | 125 hp | 280 Nm | Manual | Front Wheel Drive | 203 km/h | 9.9 s | 6.3 l/100km | 3 acabados |
| 1.8L Gasolina | 125 hp | 170 Nm | Automatic | Front Wheel Drive | 198 km/h | 11.0 s | 8.6 l/100km | 5 acabados |
| 1.8L Gasolina | 125 hp | 170 Nm | Manual | Front Wheel Drive | 205 km/h | 9.5 s | 7.8 l/100km | 8 acabados |
| 1.8L Gasolina | 115 hp | 170 Nm | Automatic | Front Wheel Drive | 195 km/h | 11.0 s | 8.3 l/100km | 2 acabados |
| 1.8L Gasolina | 115 hp | 170 Nm | Manual | Front Wheel Drive | 200 km/h | 10.0 s | 7.8 l/100km | 3 acabados |
| 2.0L Diésel | 100 hp | 230 Nm | Manual | Front Wheel Drive | 188 km/h | 12.0 s | 5.7 l/100km | 11 acabados |
| 1.6L Gasolina | 100 hp | 150 Nm | Automatic | Front Wheel Drive | 178 km/h | 13.0 s | 7.7 l/100km | 9 acabados |
| 1.6L Gasolina | 100 hp | 150 Nm | Manual | Front Wheel Drive | 188 km/h | 11.5 s | 7.1 l/100km | 15 acabados |
| 1.6L Gasolina | 85 hp | 138 Nm | Automatic | Front Wheel Drive | 170 km/h | 14.5 s | 8.2 l/100km | 6 acabados |
| 1.6L Gasolina | 85 hp | 138 Nm | Manual | Front Wheel Drive | 180 km/h | 13.0 s | 7.1 l/100km | 9 acabados |
| 2.0L Diésel | 82 hp | 185 Nm | Automatic | Front Wheel Drive | 170 km/h | 15.5 s | 6.7 l/100km | 7 acabados |
| 2.0L Diésel | 82 hp | 185 Nm | Manual | Front Wheel Drive | 175 km/h | 14.5 s | 5.8 l/100km | 4 acabados |
| 1.7L Diésel | 80 hp | 170 Nm | Manual | Front Wheel Drive | 173 km/h | 14.0 s | 4.6 l/100km | 3 acabados |
| 1.7L Diésel | 75 hp | 165 Nm | Manual | Front Wheel Drive | 170 km/h | 14.5 s | 4.8 l/100km | 9 acabados |
| 1.6L Gasolina | 75 hp | 128 Nm | Automatic | Front Wheel Drive | 163 km/h | 16.5 s | 8.0 l/100km | 3 acabados |
| 1.6L Gasolina | 75 hp | 128 Nm | Manual | Front Wheel Drive | 170 km/h | 14.5 s | 7.2 l/100km | 6 acabados |
| 1.7L Diésel | 68 hp | 132 Nm | Manual | Front Wheel Drive | 163 km/h | 17.0 s | 5.9 l/100km | 2 acabados |
| 1.2L Gasolina | 65 hp | 110 Nm | Manual | Front Wheel Drive | 165 km/h | 16.0 s | 6.2 l/100km | 2 acabados |
Cada fila es una configuración mecánica distinta — cilindrada, potencia, transmisión, tracción y tipo de combustible — deduplicada entre acabados que comparten el mismo motor. Las diferencias solo de acabado (interior, llantas, opciones) no crean una fila aparte.