2005 Mazda MX-5 Miata 1.8
Transmission gear ratios, final drive data, and drivetrain specs for the 2005 Mazda MX-5 Miata 1.8.
US specification / NB
Sources & engine identity
- 2005 Mazda MX-5 Miata specificationsgear ratios, reverse, final drive, tires, RPM limit
Factory gearbox options
Stock manual / 5-speed / final drive 4.3
- Gear 1
- 3.136
- Gear 2
- 1.888
- Gear 3
- 1.330
- Gear 4
- 1.000
- Gear 5
- 0.814
- Reverse
- 3.578
Stock manual / 6-speed (LS) / final drive 4.1
- Gear 1
- 3.760
- Gear 2
- 2.269
- Gear 3
- 1.645
- Gear 4
- 1.257
- Gear 5
- 1.000
- Gear 6
- 0.843
- Reverse
- 3.564
Stock automatic / 4-speed / final drive 4.1
- Gear 1
- 2.450
- Gear 2
- 1.450
- Gear 3
- 1.000
- Gear 4
- 0.730
- Reverse
- 2.222
Default transmission ratios
| Gear | Ratio | Overall | Step |
|---|---|---|---|
| 1 | 3.136 | 13.485 | - |
| 2 | 1.888 | 8.118 | 1.661 |
| 3 | 1.330 | 5.719 | 1.420 |
| 4 | 1.000 | 4.300 | 1.330 |
| 5 | 0.814 | 3.500 | 1.229 |
| R | 3.578 | 15.385 | - |
Overall = gear ratio × final drive. Step = previous ratio ÷ current ratio.
Final Drive: 4.3Overall Spread: 3.853