Affordable high efficiency 20" wheels and 33" tires options (275/60R20)

[goldburger]

also btw, off topic slightly but if you go from 22/21 down to 20" rims and 275/65/20 your speedometer will match gps speed perfectly. If you go 275/60/20 it will be off 2mph (GPS 70 mph will equal 72 Vehicle Speedometer)

But the odometer will not match what you’re driving, correct?

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[DoubleTake]

But the odometer will not match what you’re driving, correct?

The odometer goes off the speedometer so if it’s off by two mph, then it will for sure add up over a years of driving

 

[goldburger]

The odometer goes off the speedometer so if it’s off by two mph, then it will for sure add up over a years of driving

So that means the speedometer and odometer are always off on OE 21” wheels and tires? I thought it went off rotations?

So, if your truck is calibrated for OE 20’s and you put on 275/60r20 on what happens?

 

[DoubleTake]

So that means the speedometer and odometer are always off on OE 21’s?

So, if your truck is calibrated for OE 20’s and you put on 275/60r20 on what happens?

Idk how much the oem 20”s 275/65/20 speedometer is off but shrinking the size down for sure will make it off more

 

[ksurfier]

So that means the speedometer and odometer are always off on OE 21” wheels and tires? I thought it went off rotations?

So, if your truck is calibrated for OE 20’s and you put on 275/60r20 on what happens?

Based on changes in tread wear, a 33” tire becomes ~32” at the end of its life.
This means it’s impossible to always have correct calibration for speed.
Manufacturers also have liability concerns so they typically set speed around 99% to avoid underestimating actual speed.

This means that a new tire would have an actual speed of 64 mph when the speedometer shows 65. But once worn, the actual speed would drop to 63 mph when speedometer shows 65.

 

[DoubleTake]

Based on changes in tread wear, a 33” tire becomes ~32” at the end of its life.
This means it’s impossible to always have correct calibration for speed.
Manufacturers also have liability concerns so they typically set speed around 99% to avoid underestimating actual speed.

This means that a new tire would have an actual speed of 64 mph when the speedometer shows 65. But once worn, the actual speed would drop to 63 mph when speedometer shows 65.

All my test were done with brand new tires

 

[rkalbiar]

Will be interesting to see Toyo Open Country A/T III EV in the mix.

 

[ksurfier]

Will be interesting to see Toyo Open Country A/T III EV in the mix.

There's a 500 mile trial, so definitely worth giving them a couple weeks...

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No surprise but looks like treadwear is a concern....

First review is on Toyo's website:

TOP RATED TIRE
Submitted 4 days ago
By Jimmy
State South Carolina
Very good tire except for tire wear and resulting noise. At 23000 the tire is getting close to the wear bars even though correct pressure and regular rotations has been maintained. Alignment is correct

Braking - 4/5
Fuel Efficiency - 4/5
Handling - 4/5
Ice Braking 3/5
Off-Road 4/5
Ride and Comfort 4/5
Snow Traction 4/5
Steering Response 5/5
Treadwear 3/5

"Bottom Line No, I would not recommend to a friend"

 

[Atomic Wheels]

After reviewing the thread, we decided to make tire package with a combo of lightest rims we have and the most efficient tire.

We have assembled the most weight-efficient combo of [AW01] 20x8.5, General HTS60 275/60 R20 116T, & TPMS. The weight is only 63.2 LBS per wheel!

The door-to-door price of the set is $3950.

This product has not yet been listed on our website.

Please contact us for more details or to express interest.

 

[md2023]

Not a tire expert:
I will need new tires soonish. I am currently on the 21 wheels and am considering a switch to 20s for the other tire replacement options.
What are thoughts on these wheels (probably with Michelin tires)? Will Rivian re-calibrate for me since they are not Rivian-approved wheels? Anything else I should consider? ty

 

[DoubleTake]

Not a tire expert:
I will need new tires soonish. I am currently on the 21 wheels and am considering a switch to 20s for the other tire replacement options.
What are thoughts on these wheels (probably with Michelin tires)? Will Rivian re-calibrate for me since they are not Rivian-approved wheels? Anything else I should consider? ty

You will not recalibration as long as you go with 275/60/20 or 275/65/20.

If your in NY, I got a set of R800 with new continental terrain contacts on them

 

[WolfpackFX4]

has this analysis been done yet for the 22s?

 

[ksurfier]

has this analysis been done yet for the 22s?

Haven't bothered since the consensus indicates that people with 21/22" tires are removing them and installing 20". The only reason for 22" tires is aesthetics, so at that point who really cares about treadlife, performance, etc.?

In my opinion, an 8500# vehicle shouldn't be rolling around on 22s, it defeats the primary purpose of a tire (hold the vehicle up off the surface of the road and absorb changes in road surface/tire deformation).

In a nutshell, if 22" aesthetics are your thing, then there are several options out there, the General Grabber HTS60 prob. being the best (a 22" AT is just an oxymoron...)...the 20" tire is already a stretch for being a true All-terrain/offroad option...

 

[WolfpackFX4]

Haven't bothered since the consensus indicates that people with 21/22" tires are removing them and installing 20". The only reason for 22" tires is aesthetics, so at that point who really cares about treadlife, performance, etc.?

In my opinion, an 8500# vehicle shouldn't be rolling around on 22s, it defeats the primary purpose of a tire (hold the vehicle up off the surface of the road and absorb changes in road surface/tire deformation).

In a nutshell, if 22" aesthetics are your thing, then there are several options out there, the General Grabber HTS60 prob. being the best (a 22" AT is just an oxymoron...)...the 20" tire is already a stretch for being a true All-terrain/offroad option...

I agree overall, and I don’t need ATs, But mine came with 22s, and I do like the aesthetics. I’m just looking to see if anyone has done the math for it on a better tire to see how much the aesthetics cost there and if that convinces me to go to the 20s.

 

[ksurfier]

I agree overall, and I don’t need ATs, But mine came with 22s, and I do like the aesthetics. I’m just looking to see if anyone has done the math for it on a better tire to see how much the aesthetics cost there and if that convinces me to go to the 20s.

Going to be next to imposible to find 22 inch tire that lasts more than 10-15k miles too, so really expensive if you stick with OEM pirelli's...

I also think 22s and good (high MPK) tires can't coexist...if you are in it for the aesthetic factor, then you prob. don't want the boring/bland high MPK look (see Michelin Defender, General Grabber HTS60, Pirelli AS+3 as examples that perform well but looks aren't their thing)....
If I had 22s and didn't want to get rid of them, I'd pick one of the following due to lower $ and only 43#/39#.
CONTINENTAL TERRAINCONTACT A/T - $311
MICHELIN X-ICE SNOW SUV -$323 (SNOW)

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