I have a 2017 Ram 3500 Tradesman with 4wd and 6.7 Cummins Turbo. My fuel tank is I think 32 gals. My guess is when towing, I will have to stop for fuel EVERY day. I could live with every day and a hal...
I bought a used one and never got around to hooking it up so it is sitting in my shop taking up space. There have been a few times when I have filled up twice in one day and it would have been nice to have a little more fuel but I don't mind once a day.