I know that there is alot of info. already posted in other threads regarding tire size choices, but I still have a few questions. I am currently running Flik Wasp Wheels, 17x7, 42et, with Toyo Proxes 4 tires in 205 45 17 on a MCS with H-sport springs. I will need to replace these tires in the not too distant future, and was wondering if I should keep the same size or switch to 215 45 or 215 40 tires. I d/n want any rubbing issues of course, but like the idea of a little bit more width. I d/n want to push load ratings, but I am confused b/c of conflicting info. about whether 215 40 is or is not w/in the MINIs load rating. Other than the difference in appearance, are there significant performance pros/cons between the sizes?

 

yes, you're right. there's numerous threads about this. your best bet is to call Alex at the Tire rack. he can answer your questions.

ripley

 

215/40 meets your gross axel weight requirment,
(dry, no passengers, not moveing... no fun)

However removes additional load bearing capacity that protects your wheels from damage -

The OE fitment had a reserve built into it.

Alex

 

Thanks Alex - would 215 45s present rubbing issues and is there any advantage/disadvantage over 205 45s?

Len

 

Given your rims and lowered suspension you are better off with 205/45-17 tires since the 215/45-17 tires can rub in the rear wheel wells but it can depend on which tires you choose and how much negative camber you have in the rear.

205/45-17- safe choice/stock sized. Lighter weight and maybe lower cost for tire. Should work fine for street use and some performance driving. Runflats that fit the MINI come in this size. Selection a little limited for non runflats

215/45-17- potential for rubbing (slight- I just let it rub the inner lining of the wheel arch and pretty soon the plastic is gone but it did rub my tire a bit). Heavier tire- only a little, 10mm wider and outer tire diameter is 24.6" tall. Much better selection of tires available across many brands. No runflats in this size.

215/40-17- Good performance tires, good selection of tires, rougher riding and less chance for any rubbing. If you often drive with passengers it's not a good choice due to lower load rating as mentioned. Can be more expensive within a model/brand.

 

In the same theme, is there any difference between 205-40-17 vs 215-40-17? I was looking to get the new Falken RT-615s, but couldn't determine which size would be better for daily driving, and limited Auto-X use. (On stock suspension).

 

Advatage wider tread pattern and more choices

rubbing - depends on wheel width and offset

Alex