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Discussion Starter · #1 ·
yeah i'm looking to buy an xb and i want to put 18 inch chrome rims on an xb.
Does anybody know if 18's will decrease the said gas mileage of 30,34 on a stock engine.
 

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I actually found that there was about 5 mpg difference between Jeff's '06 (with 18's) and my '06.5 (with TRD 15's). Mine did better. You may have a different experience though.
 

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My mileage decreased by 10%, it went from 30 to 27 mpg.
 

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the only way 18's will decrease your gas mileage is if they are like super heavy and ride like sheeeeeeet
 

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It's all how you drive and the weight of the wheels and tires. Find the weight of the stocks and the aftermarket ones and go from there, i knew calculus was in school for a reason.
 
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