2020 Porsche 911 Carrera 4S
Transmission gear ratios, final drive data, and drivetrain specs for the 2020 Porsche 911 Carrera 4S.
US specification / 992
Effective final drive includes the 0.92 constant transaxle reduction: 3.39 x 0.92.
Sources & engine identity
- 2020 – 911 Carrera S and Carrera 4S technical specificationsgear ratios, reverse, final drive, tires, RPM limit
Engine designation DKKA linked to ACES base vehicle 148885 via SEMA Data / FRSport. ACES identifies fitment; the factory references supply gearing and RPM.
Stock automatic / PDK / 8-speed / transmission source
Transmission gear ratios
| Gear | Ratio | Overall | Step |
|---|---|---|---|
| 1 | 4.890 | 15.251 | - |
| 2 | 3.170 | 9.887 | 1.543 |
| 3 | 2.150 | 6.705 | 1.474 |
| 4 | 1.560 | 4.865 | 1.378 |
| 5 | 1.180 | 3.680 | 1.322 |
| 6 | 0.940 | 2.932 | 1.255 |
| 7 | 0.760 | 2.370 | 1.237 |
| 8 | 0.610 | 1.902 | 1.246 |
| R | 3.960 | 12.350 | - |
Overall = gear ratio × final drive. Step = previous ratio ÷ current ratio.
Final Drive: 3.1188000000000002Overall Spread: 8.016