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Discussion Starter · #1 ·
So are there any all terrain tires available for our 245/50-20 tire size? I have not seen any.

Thanks.
 

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No, I don't think you're likely to find any in the 20" size for a good reason. If you're doing even mild/medium offroading you need the tall sidewall to soak up the bumps and prevent blowouts.

I'm really glad I have the 18" wheels. I did buy aftermarket wheels, but had my 18" OEMs and sold them as well. Even if I had the trim that only came with 20"s I still would have bought 18" aftermarket wheels.

Here is the thread with the wheels I bought. You can get a nice set of AT tires for them! I probably will when my tires are worn out (they're getting there already!)
https://www.ascentforums.com/forum/...ion/4523-raceline-shift-wheels-installed.html
 
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Try for a 255/50-20 as an alternate...just a hair larger in diameter, but may open up some additional options for you. While it's not an AT tire (I have no need for that), I'm a BIG fan of the Michelin Defender LTX which is not available in the 245cm wide tire, but is available in the 255cm wide tire. I normally don't prefer to change tire sizes from OEM, but once the original tires that come on my Ascent are "done", I may get braver about this slight difference to get a tire that I truly prefer...
 

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Discussion Starter · #4 ·
I like to keep the OEM rims, but that might not be a choice if I want AT tires given the 245/50-20 tire size. Maybe they will come out with a AT for it soon.
 

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Try for a 255/50-20 as an alternate...just a hair larger in diameter, but may open up some additional options for you. While it's not an AT tire (I have no need for that), I'm a BIG fan of the Michelin Defender LTX which is not available in the 245cm wide tire, but is available in the 255cm wide tire. I normally don't prefer to change tire sizes from OEM, but once the original tires that come on my Ascent are "done", I may get braver about this slight difference to get a tire that I truly prefer...
I did check all the approved fitments on discount tire's site and I didn't see an AT tire in any of the different sizes.

I think really unless the sidewall percentage (the 2nd number) needs to be much bigger which wouldn't fit under the fenders (without a lift).

265/60R20s do have AT tire sizes, but they wouldn't fit the Ascent without rubbing :(

Really, for AT tires you'll want the cushion any way, so get some 18's!
 

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Yea, ATs are difficult in these smaller crossover sizes with 20" wheels.
 

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As you've found, A/T tire model selection is slim for lower profile tire applications.

265/50R-20 offers a few A/T options and this size is safely on run on the O.E.M. 20" wheels but you may (stress may) have some rubbing at full lock of the steering wheel. It would be best to test fit the front axle to check clearance if you go this direction. I'll add that this tire is ~3/4" wider and ~3/4" taller when compared to the factory 245/50R-20 size.

265/50R-20 Tire Options | Discount Tire

As Kevin mentioned, if you spend a good amount of time off-road or on the trails a taller sidewall may be something to consider and as pointed out, you can do this by simply changing to a smaller diameter wheel.
 

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Discussion Starter · #8 · (Edited)
Thanks everyone.

I don't spend a lot of time off road but that occasional trip had me using BFG AT KO2's on my trucks for years. I am on the road 99.9% of the time but I like things to go well the other 0.1% of the time. They are also really good in the flooding rains that we get in Houston.
 

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As you've found, A/T tire model selection is slim for lower profile tire applications.

265/50R-20 offers a few A/T options and this size is safely on run on the O.E.M. 20" wheels but you may (stress may) have some rubbing at full lock of the steering wheel. It would be best to test fit the front axle to check clearance if you go this direction. I'll add that this tire is ~3/4" wider and ~3/4" taller when compared to the factory 245/50R-20 size.

265/50R-20 Tire Options | Discount Tire

As Kevin mentioned, if you spend a good amount of time off-road or on the trails a taller sidewall may be something to consider and as pointed out, you can do this by simply changing to a smaller diameter wheel.
Question regarding the 20” option of AT tire. If we put spacers on rim to bring offset closer to wheel well, do you think this will increase chance of rubbing? I know the answer but wondering if we were to place a 20mm spacer, have you had any experience with that offset (OEM rim + 20mm spacer)?
 

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Question regarding the 20” option of AT tire. If we put spacers on rim to bring offset closer to wheel well, do you think this will increase chance of rubbing? I know the answer but wondering if we were to place a 20mm spacer, have you had any experience with that offset (OEM rim + 20mm spacer)?
Yes, moving a wheel further out towards the fender will increase the chances for rubbing, especially with larger diameter wheels. Think of your wheel wells as bowl shaped. It you push them out too far you are locating the wheel in a shallower part of your wheel well. This restricts how tall of a tire you can run unless you have a large lift

With that being said, the 265/50R-20 may work in this instance but it's going to be tight. We'd recommend a test fit if at all possible.
 
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