I'd buy it! Have a '06 3500 single rear wheel and a 90 2500, sometime I get better milage than my Toyota with both.
Repairs are mucho expensive for diesels, the 06 needed injectors @ 140K, seems to be a common issue with those years and that milage, injectors alone were $2600 + $1000 labor, not a job most owners can do themselves. Ball joints are another common failing, after a lot of research I replaced mine with Carli Suspension, another $800 but I was able to do these myself (barely). The engine had a low RPM vibration, the guy that did my injectors figured the flywheel was out of balance, the stock is not a solid unit, but it has one now.
Great truck, but not for a poor man.
