What's the 2015 GMC Sierra transmission fluid type?

The type of transmission fluid You will need on the 2015 GMC Sierra 1500 depends on the size of Your transmission. The 6.2L 8 speed transmission uses DEXRON®-HP Automatic Transmission Fluid. All other transmission types will use DEXRON®-ViAutomatic Transmission Fluid. If You want to know what type of products You can use, then I can help You with that. Some of the products You can purchase are Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid or OE Fuel-Efficient Synthetic Automatic Transmission Fluid. The role that transmission fluid plays in Your system is beneficial to the health and longevity of Your transmission. If You take good care of Your oil and make sure its level is always topped off, You'll find the health of Your transmission to be superb.