Table 13 The gear ratios, interval of gear ratio and transmission efficiency of GM 9T50E
From: Configuration Synthesis and Performance Analysis of 9-Speed Automatic Transmissions
Gear | Gear ratio | Interval of gear ratio | Transmission efficiency |
|---|---|---|---|
Reverse gear | − 2.96 |  | 0.9700 |
1st gear | 4.69 | Â | 0.9702 |
2nd gear | 3.31 | 1.42 | 0.9803 |
3rd gear | 3.01 | 1.1 | 0.9665 |
4th gear | 2.45 | 1.23 | 0.9703 |
5th gear | 1.92 | 1.27 | 0.9766 |
6th gear | 1.45 | 1.33 | 0.9907 |
7th gear | 1 | 1.45 | 1 |
8th gear | 0.75 | 1.34 | 0.9922 |
9th gear | 0.62 | 1.21 | 0.9884 |