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Need help with changing tire size

Steve Miller

New Member
First Name
Steve
Joined
Aug 15, 2026
Threads
2
Messages
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1
Location
Hazelton, WV
Vehicle(s)
2026 Gladiator
Occupation
Retired
2026 Gladiator 85th Anniversary trim. It's not the serious off road machine that most of you guys have, and I won't be going off road much, however being in the WV mountains it will get a lot or snow use.
Stock tires are 245/75 17 'all season' (which means they might be ok for the first 2" of snow). I'm looking for something more aggressive (but not extreme 'block' style). I have to allow for paved road use also as this is my only vehicle.
I'm looking at the Falken Rubitrek AT or Wildpeak AT. My real question is the size. I don't want to void any drive train warranty but would like to go to a 70 series. I'm thinking something between 255/70 to 285/70. Something in this area won't mess up the speedometer enough to worry about, not sure what they will do to the warranty.
Suggestions? Comments?
Thanks
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