I saw on some thexterra.org thread that steelies (which I have) weigh 42 pounds and aluminum 27 pounds. That's 15 pounds per wheel so 60 extra unsprung pounds. Is it worth changing to aluminum for the weight savings?

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I will say that I went from 16ish mpg to 12ish mpg when I switched from 285/75R16 Duratracs to 305/70R16 Mastercraft mud terrains. I couldn’t find the weight difference between the two. Both were advertised as a true 33” tire. So theoretically the only difference is tire weight and contact patch width.

Rotating weight is a real thing. Although the wheel would have less of an impact, as the weight is roughly 16” off the spindle vs. the tire at 33” off the spindle.

I'm going to need you to dumb that down for me John yes buy alloys, no don't buy alloys

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Summary - Just the wheel weight is probably not going to make a big difference. Tire weight & the tread pattern would be a bigger factor.

Get the wheels you like, knowing that your tire choice, lift & armor make the bigger impact.


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I just weighed a 18 hole spare steelie. 26.02lbs. Can the other steelie weigh 20lbs more?

Well shit! Sounds like wheels aren't a problem. Thanks everyone.