What's your thoughts on the Duramax?

Well, the Dmax is the ONLY diesel out of the big 3 that hasn’t changed displacement or been scrapped for an all new engine. That says a bunch. Apples to apples, the Dmax gives up nothing to any of the others, year by year, save for the Cummins being simpler for some repairs and the Cummins still being very arguably the longest lasting internals.

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Used or new?

If used.... DURAMAX BUYER'S GUIDE: HOW TO PICK THE BEST GM DIESEL