245/40-18 vs. 235/45-18
10-07-2003, 08:07 AM
#1
245/40-18 vs. 235/45-18
I used Dannys tire size calculator and determined that the 245/40-18 was nearly identical in radius, diameter, circumf. & revs/miles as the stock 235/50-17. I went on-line with tirerack.com and the site recommended the 235/45-18 for my 2002 SE. The numbers are close for the 235/45 but not as close as the 245/40's.
Isn't the 245/40's the better fit to keep the speedo and such accurate? Will the 245/40's fit my car? tirerack.com has only 3 choices in the 235/45 size, but has 38 choices in the 245/40 size.
Isn't the 245/40's the better fit to keep the speedo and such accurate? Will the 245/40's fit my car? tirerack.com has only 3 choices in the 235/45 size, but has 38 choices in the 245/40 size.
10-07-2003, 12:23 PM
#2
Moderator running more PSI than all the boosted Maximas... combined
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Join Date: Aug 2000
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What's the width of your wheels? 18X8? 18X8.5? or 18X7.5? I would go with 245/40/ZR18 if your wheels is bigger than 18X8.
Originally Posted by ahaling
I used Dannys tire size calculator and determined that the 245/40-18 was nearly identical in radius, diameter, circumf. & revs/miles as the stock 235/50-17. I went on-line with tirerack.com and the site recommended the 235/45-18 for my 2002 SE. The numbers are close for the 235/45 but not as close as the 245/40's.
Isn't the 245/40's the better fit to keep the speedo and such accurate? Will the 245/40's fit my car? tirerack.com has only 3 choices in the 235/45 size, but has 38 choices in the 245/40 size.
Isn't the 245/40's the better fit to keep the speedo and such accurate? Will the 245/40's fit my car? tirerack.com has only 3 choices in the 235/45 size, but has 38 choices in the 245/40 size.
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