Posted 12/31/2025 16:10 (#11491122 - in reply to #11490468) Subject: RE: Most Durable Long Lasting New Truck Engine
We have a 3.0 in a Yukon XL and the thing makes 30 mpg on a road trip. It seems to have plenty of power and haven't had any issues yet. We also have a 6.6 duramax and outside of DEF repairs it's been flawless for several years.