One of the biggest questions diesel truck buyers ask is simple: which diesel truck costs the least to maintain? If you are comparing a Duramax, Cummins, and Power Stroke, the honest answer is that none of them are “cheap” in the way a half-ton gas truck is cheap. But that does not mean they are bad ownership decisions. It means you need to understand where the costs actually come from, which problems are more common on certain platforms, and why maintenance history matters more than brand loyalty.
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