Towed a U-Haul 5x8 cargo trailer loaded full of furniture this weekend. Trip was about 3.5 hrs one way (~230 miles or so). Speed limit was 110 Km/h, or about 70 mph. I obeyed the limit. Weather wa...
I only got about 15 mpg coming home from the inlaws with the family the other day and we weren't towing anything, and that's with a diesel truck. 85 mph into a headwind on a cold day will do that for you, though.