What to avoid in a used H1?

[MAC]

There are certain years or models to avoid with many used autos.
Example, you don't want Jaguar sedan before '96 pre-Ford models. Avoid older model S500 pre-2000 or 2001. MB avoid anything above 75K miles(or 50K). As I started looking into H1, I saw gas engine, diesel engine, HT or open top or wagon. I know I need a wagon and I know I want black only. I know to avoid military conversion.

Is there anything or any years to avoid if you are buying a used H1?
Gas or diesel?
What's the maximum miles you find acceptable?
Is there any basic guideline to price/year? example, 3 yrs old should be $XXK.