The duramax still has a few issues here and there but at least it actually makes some diesel power first D-max was 300hp & 520tq . . . topped out at about 365hp & 650tq last i heard . . .
I don't much care that few issue they had where warranty repaired and quickly solved, still not worth it to me . . .
The Duramax & Power Stroke been duking it out for #2 for years, but the Cummins still seems to outperform . . .
Mike