# Odd tire sizes and all time 4 wheel drive **URL:** \ **Category:** Maintenance/Repairs\ **Created:** [October 22, 2008, 7:13am UTC](https://community.cartalk.com/t/odd-tire-sizes-and-all-time-4-wheel-drive/21051 "2008-10-22T07:13:06Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![thunderbird66](https://avatars.discourse-cdn.com/v4/letter/t/f14d63/32.png) [@thunderbird66](https://community.cartalk.com/u/thunderbird66)\ **Post date:** [October 22, 2008, 7:13am UTC](https://community.cartalk.com/t/odd-tire-sizes-and-all-time-4-wheel-drive/21051/1 "2008-10-22T07:13:06Z")
2000 ford explorer. blew one tire on firrest roads and ruined the tire by running onit to long. remaining tires have /3 tread left. How important is it to get a replacement tire to match the circumfernce of the other three. I had three diffenert ford dealers with two totally differenet answers. two said no more that 1/4" diff. in circumference. ONe said " no worry that’s what the differential is for. I’ve got the spare on andit has never bee used. P235 75R15. old tires have 5-6 MM tread lect, the spare 13MM