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DHart's avatar
DHart
Explorer
Apr 19, 2015

New Sierra Denali HD 2500 - upsizing stock tires/wheels?

We just purchased a 2015 Sierra Denali HD 2500 truck with Duramax/Allison. Love the truck! It is our daily driver AND we will be towing a 2016 Airstream 30' Flying Cloud. Airstream in this photo is...
N-Trouble's avatar
N-Trouble
Explorer
Apr 28, 2015
I run 305/55/20's Mickey Thompson ATZ P3s on my 2012 Dmax with factory 20s and it rides really nice. Plenty of rubber between rim and road. Prior truck was a 2002 2500HD with 285's on 16" rims and they rode about the same. Both trucks had Bilstein shocks and the T-bars MILDLY cranked (5-6turns).

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