I see too wide a tire on wheels all the time. I think it's important to know if the tire you mount is outside the tire manufacturer's wheel width range. Sure, too wide a wheel will fit, maybe even a wider one, but you should know it's not recommended, and there are reasons why.

-Rob

 

No change in speedo info at all. When I set cruise to 80 mph, my GPS speed reflects the same.

 

Of course manufacturers say it's not o.k. They would be liable and negligent if an accident were to be caused by non-OEM tire sizes. We all know they're not going for that. So yes, they have to draw a line in the sand. Real world application of street use, though...driving to work, weekend road trips, grocery runs, date nights, cruising country back roads; if you guys are experiencing sidewall flex and or sloppy handling, coming from Publix, you need to chill! LOL
The fit, as you see in my pic, doesn't look any different than a 275 series tire. Can you go too wide, of course you can, but this is NOT one of those cases. I've been sizing up a series or 2, from OEM sizes, for decades so I do consider myself somewhat of an "armchair tire expert." Thank you, Lou.
I would never advise anyone to go outside of manufacturer specs, do anything to jeopardize safety, or do what I do. I'm simply sharing my own personal experiences and information.

 

^^^^^^^^^^^^
I wasn't talking about non-OEM tire sizes, I was saying tire manufacturers give a wheel width range for which their tire will perform as designed. Some considering a wider wheel may want to know that spec.

Sometimes tire installers may refuse to mount a tire outside of the rec wheel range.

I take your point from many years of experience with wider tires that they have not been a problem.

-Rob

 

Agreed! And yes I have been refused installation based on a width outside of manufacturer specs.

 

While cleaning the wheels of my 2023 LC500 I noticed a bubble on the left front tire. I bought this car used with 7000 miles on it. It has the original run flat tires. I was previously scheduled for the 10,000 mile service tomorrow morning. What is the recommendation on replacement? Thanks in advance.

 

^^^^Give us a bit more information. Do you want to stay with RFTs❓ Where do you live❓ What is your driving style❓ Do you want a summer tire or an all-season ❓ 20" or 21" wheels❓ Assuming you will be staying with Stock wheels❓

Lou

 

I am open to staying with RFTs or willing to make change. I live in Atlanta and Western NC (near Tail of the Dragon). I would say my driving style is "tour" ... back and forth to my mountain lake house. I do minimal in the city driving. I prefer all season tires. My wheels are 20".

 

Based on your provided information I would recommend looking into the Michelin Pilot all season tires. It’s a high quality tire that a number of LC 500 owners have been quite happy with.

 

Discount Tire has those available for $308 front/ $327 back.

 

You can't go wrong with just about any Michelin. The Pilot Sports are excellent performance tires in my personal experience. I'm currently for the first time using Bridgestone and they've been every bit as good.

 

I have the AS4 as my winter wheels in 20”. They ride super quiet and handle just as good(based on my driving style) compared to the stock PS5 in 21”.
I’m actually thinking of swapping out early this year. Probably in a couple weeks to get more mileage on them.

 

I do not recommend RFTs For the type of driving you do and your preferences, my recommendation would be these:



Lou

 

Also take a look at the Continental ExtremeContact Ultra High Performance All-Season DWS 06 Plus.I have run this tire along with the Michelin Pilot Sport All-Seasons and there are virtually no discernable differences in these 2 tires, except for the Conti's being offered at a better price. Running them on my Maserati Granturismo, now. Exceptional tires!

 

Correction to Lou's recommendation:

OEM 20 inch tire sizes are 245/45R20 (front) and 275/40R20 (rear).

(You were showing 45 series for the rear.)