CommodoreAmiga
Well-Known Member
Will take time for real world results… but the 20“ have a 640 UTQG and the 21” are 600. Both good ratings, but the 20” is better for treadwear. Both have an A for traction. The 20” only gets a B for temperature, however, where the 21” manage an A.Does anyone have a sense of how tread-wear would compare on the ATs v. the all-season 21s? I've had the ATs in my config forever since I like the look more, I like that they're forged, it's a more standard tire size, and I live in New England so would get some benefit from them in the winter, but it's hard to understate the value of improved range. My first thought is that the 21s might have a longer life span though, which could be a deciding factor given how expensive tires are and that a ride with as much power and acceleration as an R1T might chew through tread faster than I'd expect.
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