yes - they are well engineered, and part of this is large engines with low specific output. If you design an engine that can easily make 500hp with a tune, but

yes - they are well engineered, and part of this is large engines with low specific output. If you design an engine that can easily make 500hp with a tune, but instead configure it to make 300, it will last a long time. Net of the emissions to manufacture a truck, I wonder if longer lasting drive train is actually better for the environment than marginally lower emissions? I suspect not, because I suspect that peers in the industry achieve lower emissions and similar lifespans with just a few more repairs. Source: I have owned many Toyotas: LX470, Tundra, camry, Rx440h. All of them were reliable. All of them were unimpressive from an engine POV. the 13mpg on my tundra makes me sad.