I was in the same position you are currently in. I have a 2002 F-250 w/ a 7.3 diesel and 125,000 miles on it and found a 1995 Honda civic 5 speed w/ 29,000 miles on it. The Honda ain't pretty but she gets 38 MPG. Like holy mackerel said, I go places where and when I want because I'm not spending a fortune on gas. Also, normal wear & tear items such as brakes and tires cost a lot less than on my truck.
Brian