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thstone · 10-08-2015, 09:23 PM

As Steve pointed out, there is no difference in the width of the front tires and only 10mm additional width in the rear tires when comparing 17" vs 18" and the 17" is cheaper and weighs less.

Track winner = 17". (In theory)

How much does it really matter? Ignoring cost, probably not enough to worry about. Your level of driving skill will make MUCH more difference than 17" vs 18".

10-08-2015, 09:23 PM	#8
thstone Certified Boxster Addict Join Date: Nov 2010 Location: Los Angeles Posts: 7,669	As Steve pointed out, there is no difference in the width of the front tires and only 10mm additional width in the rear tires when comparing 17" vs 18" and the 17" is cheaper and weighs less. Track winner = 17". (In theory) How much does it really matter? Ignoring cost, probably not enough to worry about. Your level of driving skill will make MUCH more difference than 17" vs 18". __________________ 1999 996 C2 - sold - bought back - sold for more 1997 Spec Boxster BSR #254 1979 911 SC POC Licensed DE/TT Instructor