2014 Porsche 911 Turbo
Transmission gear ratios, final drive data, and drivetrain specs for the 2014 Porsche 911 Turbo.
US specification / 991.1
Sources & engine identity
- 2014 – 911 Turbo and 911 Turbo S (991) technical specificationsgear ratios, reverse, final drive, tires, RPM limit
Engine designation A171 linked to ACES base vehicle 128089 via SEMA Data / FRSport. ACES identifies fitment; the factory references supply gearing and RPM.
Stock automatic / PDK / 7-speed / transmission source
Transmission gear ratios
| Gear | Ratio | Overall | Step |
|---|---|---|---|
| 1 | 3.909 | 13.447 | - |
| 2 | 2.286 | 7.864 | 1.710 |
| 3 | 1.577 | 5.425 | 1.450 |
| 4 | 1.182 | 4.066 | 1.334 |
| 5 | 0.940 | 3.234 | 1.257 |
| 6 | 0.786 | 2.704 | 1.196 |
| 7 | 0.622 | 2.140 | 1.264 |
| R | 3.545 | 12.195 | - |
Overall = gear ratio × final drive. Step = previous ratio ÷ current ratio.
Final Drive: 3.44Overall Spread: 6.285