| Manufacturer: | Subaru |
| Full Model Name: | Impreza WRX STi S203 |
| Price New: | ¥4,610,000 |
| Full Chassis Code: | GH-GDB |
| Abbreviated Chassis Code: | GDB |
| Production Dates: | Jan 2005 - Oct 2006 |
| Dimensions: | 4415mm x 1740mm x 1410mm |
| Weight: | 1445kg |
| Fuel: | Petrol |
| Tank Size: | 60 litres |
| Engine Code: | EJ20 |
| Aspiration: | Turbocharged |
| Engine CC: | 1994cc |
| Bore/Stroke: | 92.0 x 75.0 |
| Compression Ratio: | 8 |
| Transmission: | 6sp MT |
| Power Output (PS): | 320ps |
| Wheels: |
Front: 17x7.5J ET53 5x114.3 Rear: 17x7.5J ET53 5x114.3 |
| Tyres: | Front: 225/45ZR17 Rear: 225/45ZR17 |