20" Inch Toyo Open Country A/T III EV 275/65/20 116H tires review

[obababoy]

Smoother writing on sidewall and better sidewall lugs...I just don't see it really offsetting but a few hundred $ over 3-4 years isnt that big of a deal either. Both are expensive.

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[MidnightRivian]

Just saw that they now have the LT open country EV version! LT275 /65 R20 126S E1 BSW. They are 517 per tire vs 435 for the regular LT open country. I wonder if I should make the move to the EV version or is it all a gimmick?

Here is the forum thread on the LT series for AT III EV.

Toyo Open Country A/T III EV Tires (LT275/65R20) - Fantastic (Review & Efficiency Stats)

 

[gtrivian]

@gtrivian Forgive me for piggy backing on your review, but I don't think a separate thread is helpful, so I'll just post some numbers here comparing my first 1,000 miles with the Toyo Open Country A/Tiii EV 275/65R20 116H to the stock Pirelli Scorpion All Terrain Plus 275/65R20 116H:

Vehicle: August 2023 R1T LE, with underbody shield.

Background: I got punctures in three of my five Pirellis, two of which were not repairable, so I needed new tires. I also got a second spare for when traveling in the boonies, so that's why I opted not to move up to a Load Range "E" tire.

Pirelli Scorpion All Terrain Plus 275/65R20 116H (November 2023 - June 2025): 23,176 miles; 2.22 miles/kWh, per trip meter

Toyo Open Country A/Tiii EV 275/65R20 116H (June 2025-July 2025): 990 miles, 2.24 miles/kWh, per trip meter (with tire selection set to 20" All terrain "aftermarket" tires).

Note: It's not clear to me whether the vehicle assumes the "aftermarket" aspect ratio is 65, or something else. If it's "something else," then my reported numbers for the Toyo are off.

I don't put much faith in subjective comments about tires, so I won't include any here.

-tom a.

I now have about 8000 miles on these tires...So far, the Open Country EV is definitely more efficient but remains to be seen by how much. I am at comparable efficiency on the trip meter but that is with the open country being installed in January and half of the time I've used them was in the cold weather. In summer my sense is the efficiency is closer to about 2.4-2.5 miles/kWh vs. 2.2 for the pirellis. Will keep updating as time goes on.

I don't really have any other changes from the initial review. Ride quality and handling seems to be about the same. The major improvements IMO are in snow performance and efficiency.

 

[MoreTrout]

I now have about 8000 miles on these tires...So far, the Open Country EV is definitely more efficient but remains to be seen by how much. I am at comparable efficiency on the trip meter but that is with the open country being installed in January and half of the time I've used them was in the cold weather. In summer my sense is the efficiency is closer to about 2.4-2.5 miles/kWh vs. 2.2 for the pirellis. Will keep updating as time goes on.

I don't really have any other changes from the initial review. Ride quality and handling seems to be about the same. The major improvements IMO are in snow performance and efficiency.

Have you kept track of wear / tread depth or any ballpark to compare? My first set of Pirellis lasted ~34k miles, although that last 2 or 3 was probably pushing it. I have about 15k on my second set of Pirellis that I bought lightly used with ~700 miles on them. I started towing my zero turn mower about 200 miles each way back and forth all summer just before changing them last year, so suspect I'll be in the market for something a bit sooner this time. I've been very happy with the towing efficiency. With about 4.5k miles with the trailer, it's averaging 1.94 mpk. On the same route without the trailer in the summer I would get 2.3-2.45 mpk.

 

[gtrivian]

Have you kept track of wear / tread depth or any ballpark to compare? My first set of Pirellis lasted ~34k miles, although that last 2 or 3 was probably pushing it. I have about 15k on my second set of Pirellis that I bought lightly used with ~700 miles on them. I started towing my zero turn mower about 200 miles each way back and forth all summer just before changing them last year, so suspect I'll be in the market for something a bit sooner this time. I've been very happy with the towing efficiency. With about 4.5k miles with the trailer, it's averaging 1.94 mpk. On the same route without the trailer in the summer I would get 2.3-2.45 mpk.

I haven't measured but ballpark I think the tread wear will be about the same, just looking at it.

 

[JalenHurtsBirds]

Any comments on this post? They were talking about these rubbing in the frame

https://www.reddit.com/r/Rivian/s/gdz0kSuozA

 

[MidnightRivian]

Any comments on this post? They were talking about these rubbing in the frame

https://www.reddit.com/r/Rivian/s/gdz0kSuozA

On the same thread folks mentioned Pirelli rubs the same way when in kneel or sport with hard turn and maybe some compression.

I personally haven’t had any issues that I noticed or abnormal rubbing noise with Pirelli or Toyo.

The Toyo tires work really well with 3x Comma compared to stock Pirelli and I plan to stick with them.

 

[SwaziCAR]

Any comments on this post? They were talking about these rubbing in the frame

https://www.reddit.com/r/Rivian/s/gdz0kSuozA

FWIW:
No rubbing with the 20" Pirellis (22,000+ miles) and no rubbing with the Toyos (275/65R20 116H) so far (1,300+ miles).

That said, I don't think I ever put the vehicle in Sport mode until 5 minutes ago.

When stationary and in lowest (Sport) mode, no rubbing on the outside of the Toyos; I can imagine they might rub if one goes over a bump, however. I have about a knuckle's worth clearance on my middle finger (let's say 3/4") at the tightest spot.

I can't get my incredibly manly arms far enough in to gauge what's happening on the inside of the tire, so no comments there.

In short, I've never had any rubbing with either the Pirellis or the Toyos at the ride heights I use (anything "low" and above).

 

[JalenHurtsBirds]

I'm ordering the toyo SL from rack tonight. $410 each shipped to discount tire. Do you recommend I get the certificates or is the free roadside just as good from tire rack?

 

[SwaziCAR]

I'm ordering the toyo SL from rack tonight. $410 each shipped to discount tire. Do you recommend I get the certificates or is the free roadside just as good from tire rack?

If you haven't already, be sure to do a web search for a better price before you buy. I don't know that there's a better price out there right now, but I found them for $347 each about five weeks ago, and Discount Tire matched that price.

Edit: I'm going to send you a link (and a phrase to google, if you don't want to click on the link), as I just found them for only slightly more than I paid.

 

[JalenHurtsBirds]

Just got the SL 275/65r20 installed.

What setting are we choosing in the r1s tire configuration page?

 

[Killer95Stang]

Just got the SL 275/65r20 installed.

What setting are we choosing in the r1s tire configuration page?

The stock Pirelli 275/65/20 size, since they are the same diameter. Wheel wise, is no different. Just pick the wheel you want your vehicle to have in the center screen.

 

[Locke]

Good info in this thread. I just mounted these Toyo Open Country AT3 EV 275/65/20 116H today (shoutout to SwaziCAR for helping me find the best price!).

What PSI is everyone running for their sets? Seems like a safe bet to run 48psi cold, as the max PSI (51) is the same as the OEM AT Pirellis.

 

[PaythePiper]

I now have about 8000 miles on these tires...So far, the Open Country EV is definitely more efficient but remains to be seen by how much. I am at comparable efficiency on the trip meter but that is with the open country being installed in January and half of the time I've used them was in the cold weather. In summer my sense is the efficiency is closer to about 2.4-2.5 miles/kWh vs. 2.2 for the pirellis. Will keep updating as time goes on.

I don't really have any other changes from the initial review. Ride quality and handling seems to be about the same. The major improvements IMO are in snow performance and efficiency.

Noise better than the OEM pirellis in your opinion?

 

[MidnightRivian]

Good info in this thread. I just mounted these Toyo Open Country AT3 EV 275/65/20 116H today (shoutout to SwaziCAR for helping me find the best price!).

What PSI is everyone running for their sets? Seems like a safe bet to run 48psi cold, as the max PSI (51) is the same as the OEM AT Pirellis.

I run them at stock which is 48 psi cold and around 50 lbs hot around town.

Once in a while I have to pull over after a long road trip where the exterior temp goes from cold to hot which increases tire pressure and then I have to let some air out when I go over the max psi.

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