Actually here is a better link to his car: https://www.drive2.ru/l/8969070/

 

Hello all,

I have a 2018 Lexus RX450H F Sport with worn out tires. I am looking to replace the tires and want to go with the wider tires from the current stock .

Please provide suggestions / recommendations (pictures) for tires size to replace and any issues with it.

Current tires: 235/55R 20

Thank you in advance.

 

I have a RX450H with Michelin Premier’s, great tires that were both quiet and smooth. But the tread-wear is very disappointing.

I’d like to hear from owners who upgraded to a larger size, what they got and their feedback after running this size for a little while.

 

Tread Depth: 8.5 32nds......not a lot of tread depth when new....apparently not made for extended mileage/tread life.. Some tires start with 11/32 tread depth

 

i have about 35k miles on those same Michelin Premier tires, still going strong.
I do tons of hwy driving though, like 700-1200 miles per day towing. so that has to help.

now trailering through deals gap, 28, 441, other roads like that I bet eats them up a bit too.

 

Have this same question too - ordered a custom 450h due from factory by end of Feb. I'd like to immediately replace the stock 20" tires with something ever so slightly taller, wider, and even knobbier (not monster truck like, but just enough to distinguish our RX when parked next to another one).

Did this with our '05 diesel Jetta wagon and it worked out well.

Any advice on larger specs? Thx...

 

My Bro has installed 255/55/20 Michelin Defender LTX on his '16 RX350 for over a year now. There are no issues with it, no rubs whatsoever. One caveat - We live in the Midwest and there are Snow and Ice so with 255/55/20 they fill the wheels well very well which also leave little room for snow and ice. These suckers often got stuck in there.

Next week I'll install the same tires in 255/50/20 for my RX350 as well. Have had this tire on 2 GX460s and an MDX and love the long lasting and somehow it improves the MPG even though I run it larger than OEM.

 

How wide of tires can I put on the rear of my 2018 Lexus Rx 350? I would like to go to 305. Would anything think i could use 305/55/r20?

 

I don't know, but I DO know you shouldn't use mis-matched tires on an AWD vehicle.

 

I use my 2 wheel drive 95% of the time

 

Not sure if your transmission will be happy, unless you're able to fit 275/60/R20 in the front to match rolling diameter of 305/55/R20

 

I may be wrong, but I don't believe you have much control over that. It's controlled by the car's speed etc.

 

That may be approximately true in the statistical sense -- power to all four wheels is only applied automatically when accelerating under normal conditions, or at slow speeds in snow or ice when you manually shift it into 4-wheel drive.

HOWEVER, you DO NOT want to have tires with different diameters on your AWD car -- that will potentially damage or destroy transmission/transfer case components. Rear tires must be same diameter as front tires.

 

my friend IS350 have diff diameter tires from the factory so I don’t know if this statement is true lol

 

Is your friend’s IS is rwd?