Quote:
Originally Posted by Pavel Olavich
Guys, bigger wheels mean less torque, and less power, and slower off the line performance, ah, and lower MPG...looks aside, what good are they?!?
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Not if the overall diameter with tires and wheels is the same as stock -- which is how it is usually set up. It won't make a bit of difference.
And larger wheels will give you better MPG -- not worse. Simply put, a larger wheel and tire travel a further distance after one rotation than a smaller diameter wheel and tire -- requiring less rmps for said distance traveled -- at a cost of torque and "power".
You could say weight would make the difference. The reason "alloy" wheels were invented was to save weight. But they can weigh more than stock wheels -- in either case, you may be sacrificing MPG when acceleratingly, but when the car is up to speed the added weight will tend to stabilize the car at said running speed -- further saving gas.
That all said, I got 15" wheels with the normal amount of rubber for no other reason than to lessen the chance of curbing the wheel. There are many reasons to choose wheels. "off the line" is one -- one I don't care much for -- but if you wanted to get the best MPG from your wheels and tires -- get the biggest thing that will fit under the strut.