There is a buyer for everything, regardless of condition, age, or appearance.
How you list an item in the paper can make a huge difference in the sorts of people who look at it.
If it's a fixer upper, say that in the ad. If it needs work, say that in the ad.
If I read an ad that said, "63 Chevy Stepside, runs good, $XXXX" i'd expect to see a truck that I could hop in and drive home. If I got to the place and found a non-road ready rusting hulk, i'd be [censored] you wasted my time.