4-speed automatic transmission (4L30E)
* 1st gear: 2,480
* 2nd gear: 1.468
* 3rd gear: 1,000
* 4th gear: 0.759
* Reverse gear: 2.207
5-speed automatic transmission (5L40E)
* 1st gear: 2.84
* 2nd gear: 1.55
* 3rd gear: 1.00
* 4th gear: 0.71
* 5th gear: 0.56
* Reverse gear: 2.43
6-speed automatic transmission (6L45E)
* 1st gear: 4.03
* 2nd gear: 2.36
* 3rd gear: 1.51
* 4th gear: 1.11
* 5th gear: 0.83
* 6th gear: 0.63
* Reverse gear: 2.90