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275 Vs 305


C-DUB

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275/55/R20 vs say a 305/50/20 or a 305/45/22

 

Assuming all of them weigh about the same, how much difference would the 30mm width effect your MPG? Would it even effect anything? What about just following groves in the road or just general turning?

 

Have people noticed anything when switching from factory to 305s?

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275/55/R20 vs say a 305/50/20 or a 305/45/22

 

Assuming all of them weigh about the same, how much difference would the 30mm width effect your MPG? Would it even effect anything? What about just following groves in the road or just general turning?

 

Have people noticed anything when switching from factory to 305s?

 

I ran 305/50/20's (same height as 275/55/20) and they were about 1.5" wider and weigh about 5lbs more, so yes the will affect mpg's somewhat. The tires in my sig are Nitto 420s 305/50's on a 20X9 wheel.

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  • 2 weeks later...

I have 305/50/20s and i ddi not notice any difference in MPG. But I do agree they grip better.

 

The only thing i have noticed is that sometimes my tires rub when turning and going over a bump, and that did not happen with the stock tires. But its not verry much

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