Top 9 most reliable used diesel trucks under $20,000, ranked by reliability ratings—with key years, engines, and buying tips ...

Just because you need a truck doesn't mean you have to go for a half-ton model. There are plenty of great compact and mid-size pickup choices out there.

Pickups are powerful but pricey, and as each new model year brings bigger and more expensive trucks, the used market starts to look more and more tempting — but some trucks age better than others.