1st Road Trip While Towing W/ 2022 Ford F150 Lightning - video by James Klafehn
Discusses GPS fail and the reset, but was happy with 1.6mi/kwh over 737 miles.
1.7mi/kwh is pretty good, though most of the other trailer tests were done using trailers with a larger front area. Not everyone tows that though, so it's good to see experiences with other trailers. I also don't think anyone else will be folding their mirrors, but that's an interesting data point. Even small changes an aero can make a noticeable difference though.
You mention that the truck did better than your Model X. That's impressive! I'm taking your truck did not ping pong or behave oddly in its lane? On my recent trip I found my truck to be way worse than my old AP1 Model S. I'm hoping it's just a camera or sensor alignment problem that can be corrected.