Tranny question

[gmtk]

How do I tell if a 6.2L Denali has the 10 speed transmission? I’m surfing autotrader and a lot fo the posts show a 6 speed tranny but I thought the 10 speed was standard for the 2018.

Did they offer a 6 or 8 speed on the 2017 and 2018?

 

[swathdiver]

All 2018s with the 6.2 have the 10-Speed. The 2015 6.2s had the 6-speed. The 2015.5-2017 6.2s have the 8-speed.

 

[gmtk]

Thank you!