Tires are the single upgrade that changes everything about how your truck performs off-road. I put this off way too long on my 2025 Sierra 1500, and once I finally swapped to a proper set of all-terrains, the difference on Pine Barrens sand and PA mountain fire roads was immediate. Your engine, your suspension, your recovery gear – none of it matters if your tires cannot grip. This is the guide I wish someone had handed me before I spent hours reading forum threads and watching YouTube reviews.