Looks like post #52.
2021 Ram 3500 HO with almost 7k miles. I am averaging mid 17's leveled on 37's. Stock I was up in the 18's My father has a 2021 Ram 2500 SO with over 3k miles. He averages 19.8 leveled on stock tires. No change with the leveling kit. I do way more highway driving than he does and he has a...
hdrams.com
Pretty sure I read this before ordering my truck, and it scared me off of the HO.
Kind of a tale of 2 threads here. This current thread sounds like they're great. The old thread I posted a link to seemed to have more guys not liking the HO mileage. I think Gimmie11's summed it up about right in that other thread - nobody really needs it, it's just nice to have, or something like that.
At 9.5-10 and 17.5 mpg on mine now (non-HO) I'm trying not to be too hard on it. I have to stop and remind myself it is a 10,000# dually. Many of the guys reporting much better mileage are driving SRW trucks.