Will tires fit?

gmyeah · August 14, 2018

I have a 2016 sierra 1/2 ton Double cab and I'm getting new tires fairly soon. My stock size is 265 65 18 . So my options increase quite a bit if I change the size to 275 65 18. That translates to ~+1/2" in height and width. How do I determine if they will fit with no issue? Do I need to know the offset to figure this out.....and what # is that for the my stock set up. I see a lot of online calculators for comparing tire size and vehicle fit and they seem to ask what the stock offset is.

I'm going to a LT tire....most likely the Firestone Destination AT (LT 275 65 18). I'd like to just get it in Load range C, but E is the only available for this tire. Very limited options.

Thanks in advance.

Ron505 · August 14, 2018

This is a good website to see what fits on your truck. Almost every option is on the website... https://www.customwheeloffset.com/wheel-offset-gallery

newdude · August 14, 2018

275/65/18 fit with zero issues. We've put some on for customers non issue.

jauldusmc · August 14, 2018

That translates to a 32.1 inch tire and will easily fit. It's only 2/10th inch bigger than the stock 20 inch tires.

sonerick · August 14, 2018

3 hours ago, newdude said:

275/65/18 fit with zero issues. We've put some on for customers non issue.

Yup, i have tires in this size and no issues. Might even be able to go bigger.

gmyeah · August 17, 2018

On ‎8‎/‎14‎/‎2018 at 11:56 AM, jauldusmc said:

That translates to a 32.1 inch tire and will easily fit. It's only 2/10th inch bigger than the stock 20 inch tires.

The stock is 18", but I get your point for sure. It sounds like I'll have zero issues. It's a modest change.....265 65 18 to 275 65 18, but the options blow up quite a bit....so I'll most likely go this route. I usually get the Load Range C tires and don't even notice a difference. These most likely will be E, so we'll see.

driha · August 18, 2018

2015 GMC Sierra SLT. 2" Rough Country Leveling Kit. 20x10-25 Wheels and 32x11 Toyo Open Country A/T Tires. No rubbing issues whatsoever.

Silverado-Hareek · August 18, 2018

Somewhere on this forum, someone said that 275/70/18's would fit a stock height truck and not have rubbing issues. I put that size on my truck, but I did level the front end to make sure there weren't any issues. However, I'm pretty sure they would've fit fine though without the level and I'm certain the size you want to install will fit without issue at all.

Hate Work · August 19, 2018

On 8/17/2018 at 1:01 PM, gmyeah said:

The stock is 18", but I get your point for sure. It sounds like I'll have zero issues. It's a modest change.....265 65 18 to 275 65 18, but the options blow up quite a bit....so I'll most likely go this route. I usually get the Load Range C tires and don't even notice a difference. These most likely will be E, so we'll see.

Found this site as they quickly give you a comparison for your tires and a proposed tire.

https://www.tacomaworld.com/tirecalc?tires=265-65r18-275-70r18

LTeddy · August 19, 2018

That was me! I have 275/70 18 ko2s with no rub on stock.. If I back up at full crank and hit a bump I rub a tiny bit but nothing to worry about.. I've had them on my 15 leveled truck and put them on my 17 non leveled after about 15k miles idk if maybe it wore down enough to not rub or if brand new wouldn't rub either.. If I was getting new tires I wouldn't hesitate to run them on a non leveled truck

I'm also running fuel Mavericks 18x9 +20

Somewhere on this forum, someone said that 275/70/18's would fit a stock height truck and not have rubbing issues. I put that size on my truck, but I did level the front end to make sure there weren't any issues. However, I'm pretty sure they would've fit fine though without the level and I'm certain the size you want to install will fit without issue at all.

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