Tire size recommendation for 18s.
#11
06-18-2014, 08:42 AM
Hi Pat and welcome to the forum,
First thing you need for tire sizing is the size of the original wheel. Then you size the new tires to match the diameter of the old wheels.
And, you need to know how wide your new wheels are 18 x ?"
For instance, 05 MC SS came with 235/55R17 on a 17x7" rim, diameter 27.2"
If I wanted to upsize, I'd go 255/45ZR18 on a 18X8" rim, diameter 27"
p.s. 225/40 18 is 25.1" and needs an 18x8 inch rim.
Is that comparable to what your car came with?
First thing you need for tire sizing is the size of the original wheel. Then you size the new tires to match the diameter of the old wheels.
And, you need to know how wide your new wheels are 18 x ?"
For instance, 05 MC SS came with 235/55R17 on a 17x7" rim, diameter 27.2"
If I wanted to upsize, I'd go 255/45ZR18 on a 18X8" rim, diameter 27"
p.s. 225/40 18 is 25.1" and needs an 18x8 inch rim.
Is that comparable to what your car came with?
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