1991 Acura NSX Automatic
Transmission gear ratios, final drive data, and drivetrain specs for the 1991 Acura NSX Automatic.
US specification / NA1
Acura factory press information preserved by myAutoWorld. Redline and fuel cutoff are distinct: MT 8000 / 8300 RPM; AT 7500 / 7800 RPM.
Sources & engine identity
- Acura 1991 NSX specificationsgear ratios, reverse, final drive, tires, RPM limit
Stock automatic / 4-speed / transmission source
Transmission gear ratios
| Gear | Ratio | Overall | Step |
|---|---|---|---|
| 1 | 2.611 | 11.562 | - |
| 2 | 1.551 | 6.868 | 1.683 |
| 3 | 1.025 | 4.539 | 1.513 |
| 4 | 0.684 | 3.029 | 1.499 |
| R | 1.909 | 8.453 | - |
Overall = gear ratio × final drive. Step = previous ratio ÷ current ratio.
Final Drive: 4.428Overall Spread: 3.817