Getting new tires, how much wider can I go? If at all?

FourRunner2005

New member
So I have a 2005 Toyota 4Runner Sport Edition 4WD with tires sized at 265/65 R17. I want wider tires than the ones I have right now. I was told by a friend that every rim/wheel has a range of widths that are acceptable...how do I find out what is acceptable for mine? I guess I want to go as wide as I can go with my rims. Although a restriction would be that I want high performance all-season tires. Anyway, ANY help at all would be much appreciated, thanks!
 
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Falls said:
You can go up to 265/70/17 without rubbing.

When I say wider, I mean...how shoudl I explain this (I don't know exactly what the 1st 2 numbers represent...I guess I'll look it up) An example of wider is a porsche 911 Turbo (clearly I don't/cant have tires that wide) but the back wheels are much wider (more surface area in contact with the ground).

Also, what's rubbing? I noticed you have the same type of tires that you are suggesting, would you happen to have a low picture of the rear tires so I can see how much wider they look? If not, no big deal. thanks for your help

Also, if I did get tires that size, I think I would go with the Michelin Cross Terrain SUV. But whats the difference between 265/70HR17 and 265/70SR17? HR vs SR?

Cheers,
Justin
 
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Falls said:
You can go up to 265/70/17 without rubbing.


Nevermind, i found that the H tires have a higher top-speed. Does that have any effect at all on the tire's performance, noise level, or anything at all during normal on-road driving?

Also, what would you guys get? I want a tire that looks good on my wheels, and is the best in every category. Most of my driving is 60% highway, 40% normal roads...I almost never do off-roading. All-Seasons are a must for the Winter time. From what I've read at TireRack.com, the Pirelli's are the best ones in just about every category, followed by the Bridgestones, then the Michelins. I don't know if this matters, but I plan on getting The V6 supercharger thats rumored to come out soon...which is one of the reasons I wanted a wider tire. That, and I think a wider tire looks much better (in my opinion)

Pirelli Scorpion ATR?
Michelin Cross Terrain SUV?
Bridgestone Dueler A/T Revo?

And still, what is rubbing?

Thanks a lot!!!
 
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Rubbing..... is where you have bigger or wider tires / rims and they rub on body / fenderwell / undercarriage linkage when you turn.

Actually (DONT QUOTE ME ON THIS ) but the 65 series might be a little wider than the 70's , but the 70's will be about 1" taller.

Also , I'm not recommending any tire , you got to get what suits your needs.
 
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265 65 17

The first number is the width of the tire in millimeters: 265mm across. The 2nd number 65 is the height of your sidewall (how tall your tire is). 65 means that the height of your sidewall is 65% of the width of your tire. That means that your sidewall is 265mm x .65 = 172.5mm. A second number of 70 would mean your sidewall is 185.5 mm. The last number is obviously the size of your wheel.

As you can see that since the sidewall number is a percentage, if you increase your width from 265 to 275, you will also increase the height of your tire, so to stay close to stock height, you would drop your sidewall ratio from 65 to 60.

Also remember, that the larger the sidewall, the slower your speedometer will be (you will be traveling faster than the gauge states), and your mpg meter will show a worse mpg than you are actually getting. The good news is that your odometer will be slightly slower as well, so you can put a few more miles on the car, off the record.

i hope this helps.
 

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