Originally Posted By: friendly_jacek
Another mental experiment: diesel vs gasoline. Imagine the noisy clacking diesel sound (while idling). And diesel laboring while accelerating. So, why does it outlive gasoline engines?
Diesel noise and longevity are two disconnected things. The noise is generally from the injection pump system and high compression ratios. Longevity comes from heavy duty internals, enlarged crankshaft journals, larger bearing surfaces, etc.