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Effects Of Upsized Wheels And Tires Tested (Car And Driver 2010)

V28VX37
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V28VX37 Veteran

V28VX37

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Saw this mentioned on another forum, thought it was an interesting read:

Car and Driver: Effects of Upsized Wheels and Tires Tested

Plus-Size Models: Testing the performance effects of upsizing wheels and tires (April 2010)

They tested near-identical tyres on different wheel sizes in 15",16",17",18" and 19" on a 2010 Golf. Here's the summary graphic:

effects-of-upsized-wheels-and-tires-tested-chart-photo-341448-s-original.jpg

Obviously it's a fairly sedate front-wheel drive car but it's interesting that 17" and 18" seem to be in the sweet spot from a performance perspective. Going 19" resulted in slower acceleration, lateral grip, lower economy and more noise.

Edited by V28VX37
ARTZ Grand Master

ARTZ

Posted
Posted

test is useless without 22s :P

Nah its kind of interesting but not really anything new to most of us...

I remember when top gear aus tested the walkinshaw VE...it was faster with 20s than it was on "up-spec"22s. that you pay extra for...everyone knows big wheels are a joke and used only in "Bling" applications or on "pimp my ride"..

i think V8 supercars are still running 17s but they look almost silly with 17s on the street..

Hank Scorpio Grand Master

Hank Scorpio

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Test is useless without using the same tread pattern on each tyre and the same type of wheel in each size (e.g TE37 etc.)

How can you compare a 16" steel wheel with a Pirelli P6 tyre against an 17" cast alloy with a Pirelli P7 tyre?

But yeah in general, the more unsprung weight, the worse the results. Pretty basic stuff.

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