Sep 1 2013, 05:01 PM
QUOTE(Tyrant Sparda @ Sep 1 2013, 10:45 AM)
Tyre noobie here 
whats the diffrence between 215/45/R17 and 215/45/ZR17?
planning to change to Michelin ps3 and i saw two types of size as above
my current tyre size is 215/45/R17 with wheel size 17x7.0j
and btw, what will happen if i use 225/45/R17 tyre size?
thanks.
The letter before the R indicates the rated max speed the tire can handle, Z being the highest (>300kph). whats the diffrence between 215/45/R17 and 215/45/ZR17?
planning to change to Michelin ps3 and i saw two types of size as above
my current tyre size is 215/45/R17 with wheel size 17x7.0j
and btw, what will happen if i use 225/45/R17 tyre size?
thanks.
225/45 will be 1 cm wider and about 1 cm bigger diameter too (or your car will be 0.5cm higher ride height). Provided you use the same tire, it should give you slightly better grip and comfort, just a tad higher speed for the same rpm, at the expense of just a tad more fuel consumption.
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