car vs van

I borrowed my father's van, as my car is possibly going to die. I didn't really want to be an hour from anyone when it chose to die , so I drove the van. I never tracked my gas mileage on my car, but yikes! What I could do in my car for $10, I did in the van for $30. My car gets better gas mileage than I thought! I don't want to lose the gas mileage, but the next car won't be that one. I'm hoping for something in the middle of that. Confortable, AC, style is unimportant.