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Steel vs Aluminum wheels


New Member
Jan 2, 2021
Truck Year
I was doing some reading. It looks like the factory steel wheels weight 50.9# and the factory aluminum wheels weigh 34.4#. That seems like a BIG difference - are the sites I've been reading accurate?! What could that equate to in mpg's? I know guys go with a heavier tire (same size) and read that it kills mileage.... Thanks for taking a look!