2004 Subaru Impreza WRX Sedan
Transmission gear ratios, final drive data, and drivetrain specs for the 2004 Subaru Impreza WRX Sedan.
US specification / GD / WRX
Manual: front final drive 3.900; rear axle 3.545 with 1.100 transfer reduction. Calculator uses the front wheel path, so do not multiply it by the rear transfer reduction. RPM limit still needs a confirmed reference.
Sources & engine identity
- 2004 Subaru Impreza specificationsgear ratios, reverse, final drive, tires
Factory gearbox options
Stock manual / 5-speed / final drive 3.9
- Gear 1
- 3.454
- Gear 2
- 1.947
- Gear 3
- 1.366
- Gear 4
- 0.972
- Gear 5
- 0.738
- Reverse
- 3.333
Stock automatic / 4-speed / final drive 4.111
- Gear 1
- 2.785
- Gear 2
- 1.545
- Gear 3
- 1.000
- Gear 4
- 0.694
- Reverse
- 2.272
Default transmission ratios
| Gear | Ratio | Overall | Step |
|---|---|---|---|
| 1 | 3.454 | 13.471 | - |
| 2 | 1.947 | 7.593 | 1.774 |
| 3 | 1.366 | 5.327 | 1.425 |
| 4 | 0.972 | 3.791 | 1.405 |
| 5 | 0.738 | 2.878 | 1.317 |
| R | 3.333 | 12.999 | - |
Overall = gear ratio × final drive. Step = previous ratio ÷ current ratio.
Final Drive: 3.9Overall Spread: 4.680