2026 GMC 3500hd AT4 Diesel

[Stan1966]

Looking for some advice. So, I have a 2026 GMC 3500hd AT4 Diesel with the 20" factory wheels. My last truck was the same set up only a 2500, maybe my memory isn't serving me well but it seems the 3/4 ton rode a lot better and rightfully so as this is a heavier truck. I have aired down the tires and seems to be little improvement. Any suggestion?

Thanks, Stan

 

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