2025+ Overtrail running 275/70/18 tires (1 Viewer)

At 35k miles on factory OE tires and they are close to done.

Ordered new tires and they arrived. Headed to Discount Tire tomorrow to get the normal toyo open country AT3’s in 275/70/18 on my ‘24 overtrail. I have no lift and plan to keep everything stock. Will upload photos tomorrow.

I wanted to minimize additional weight, so I got the SL non E rated version. I think they are built for EV’s but i’ve read enough and spoken to enough people to know the EV tires should work fine.
 
I’ll be going 275/70/18 on my 26 at some point. I’ll stick with e-rated tires though because on occasion I’m somewhere with sharp rocks. I also drive an alcoholic heavy duty truck, I could put 19” steelies and rubber bands on the GX and it’ll be like riding on a cloud compared to that thing with better mpg.
 
At 35k miles on factory OE tires and they are close to done.

Ordered new tires and they arrived. Headed to Discount Tire tomorrow to get the normal toyo open country AT3’s in 275/70/18 on my ‘24 overtrail. I have no lift and plan to keep everything stock. Will upload photos tomorrow.

I wanted to minimize additional weight, so I got the SL non E rated version. I think they are built for EV’s but i’ve read enough and spoken to enough people to know the EV tires should work fine.
I installed the EV version of the 275/70/18 Toyo AT III in SL and recommend them. Better/firmer handling, more tread, low weight. Stock 2025 OT wheels & suspension works out great.

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I went with 275/70/R18 BFG KO3 (e-rated) on my 2024 OT, stock rims. About 7500 miles on the tires and very happy with them so far. They are heavy and gas milage took a hit.
 
At 35k miles on factory OE tires and they are close to done.

Ordered new tires and they arrived. Headed to Discount Tire tomorrow to get the normal toyo open country AT3’s in 275/70/18 on my ‘24 overtrail. I have no lift and plan to keep everything stock. Will upload photos tomorrow.

I wanted to minimize additional weight, so I got the SL non E rated version. I think they are built for EV’s but i’ve read enough and spoken to enough people to know the EV tires should work fine.
In for pics. This is what I plan on running
 
In for pics. This is what I plan on running
Got the the 275/70/r18 toyo AT3 open country EV SL tires put on today. They definitely look more substantial than the stock tires. The treads are much deeper than the OE overtrail tires. The OE AT3’s always looked slightly undersized to me. The 275/70/r18’s look to be exactly proportionately sized to the vehicle. From other’s photos, the 285’s look slightly oversized to me

I have photos below that don’t do justice to what they look like in person, but i have photos below that show how deep treads are and distance from front tire to front fender (just under 2 inches)
 

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Got the the 275/70/r18 toyo AT3 open country EV SL tires put on today. They definitely look more substantial than the stock tires. The treads are much deeper than the OE overtrail tires. The OE AT3’s always looked slightly undersized to me. The 275/70/r18’s look to be exactly proportionately sized to the vehicle. From other’s photos, the 285’s look slightly oversized to me

I have photos below that don’t do justice to what they look like in person, but i have photos below that show how deep treads are and distance from front tire to front fender (just under 2 inches)
You're right - definitely look more proportional to the truck now, looks good!
 
2025 OT+ here. I have 275 70r18 Cooper Rugged Trek’s sitting in my garage waiting to be mounted on OEM wheels. The Rugged Trek’s are the largest 275 that I know of with a 33.66” diameter. Just as large as most 285 70r18’s (most measure between 33.7” - 33.9”) but a narrower width so the spare won’t sit any lower and stick out beneath the GX.

I have also ordered the Westcott Designs 4-hole 1/2” front leveling spacer. (Still waiting after two weeks for shipping.). This set up with the larger Rugged Trek’s should remove most of the front rake while still leaving a slight rake but more level look.

Once I get it and installed with the Rugged Trek’s I’ll post pictures.
 
I have been lurking here for a few months and I got the Rugged Trek idea from your post when you were figuring out what would/wouldn’t fit in the spare area. So thanks. Do you have a lift or leveling kit of any kind? Or wheels with a lower offset to fit the 285’s? I have seen too many conflicting posts stating trimming is or isn’t required to fit 285’s on OEM wheels.
 
I have been lurking here for a few months and I got the Rugged Trek idea from your post when you were figuring out what would/wouldn’t fit in the spare area. So thanks. Do you have a lift or leveling kit of any kind? Or wheels with a lower offset to fit the 285’s? I have seen too many conflicting posts stating trimming is or isn’t required to fit 285’s on OEM wheels.
I do have the OME MT64 lift..about 2.5” over the original ‘24 OT. We left a bit of rake to accommodate level towing when hooked up (so I could avoid use of airbags).

I have a 18x8 +25 wheel for the 4 mains, not the OEM 18x7.5 wheel. With what I’ve done I didn’t need any trimming or parts removal. My tire tread comes just even with the top of the OT black plastic wheel arch. The side walls poke out just a bit creating a nice look. I do have mud flaps. Overall I achieved a good, not overly aggressive look, and not a chunk full look; and the wheel track (width) I needed for towing an 8’ wide trailer.

So obviously the OEM wheels would be tucked in tighter, and with a much wider 285 tire..I’m not sure about that. Also, I don’t recall which brands approve a 7.5” rim for a 285 width tire.

But the Cooper with the height of a 285, and width of a 275, and the Westcott should fit well on the OEM. With that taller tire..you should end up with a really nice look. 😊
 
I do have the OME MT64 lift..about 2.5” over the original ‘24 OT. We left a bit of rake to accommodate level towing when hooked up (so I could avoid use of airbags).

I have a 18x8 +25 wheel for the 4 mains, not the OEM 18x7.5 wheel. With what I’ve done I didn’t need any trimming or parts removal. My tire tread comes just even with the top of the OT black plastic wheel arch. The side walls poke out just a bit creating a nice look. I do have mud flaps. Overall I achieved a good, not overly aggressive look, and not a chunk full look; and the wheel track (width) I needed for towing an 8’ wide trailer.

So obviously the OEM wheels would be tucked in tighter, and with a much wider 285 tire..I’m not sure about that. Also, I don’t recall which brands approve a 7.5” rim for a 285 width tire.

But the Cooper with the height of a 285, and width of a 275, and the Westcott should fit well on the OEM. With that taller tire..you should end up with a really nice look. 😊
Thanks for the response and appreciate the feedback.
 

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