I've yet to see most ICE's get 500K miles w/out - O2 sensors failing - Expensive oil leaks - Lots of belts need replacing - Head gasket need replacing (pretty e

I've yet to see most ICE's get 500K miles w/out - O2 sensors failing - Expensive oil leaks - Lots of belts need replacing - Head gasket need replacing (pretty expensive) Sure a 1980s Merc Diesel might make 500K and the ICE itself might last that long but the surrounding components are not cheap to maintain ....