If there’s one thing car buyers consistently want, it’s an engine they never have to worry about. And while the market is full of complex hybrids, turbos, and high-strung performance motors, one humble Japanese four-cylinder has quietly built a reputation that outlasts most of the vehicles it’s been installed in. After more than 25 years on the market, its track record for reliability, longevity, and low running costs has made it one of the most trusted powerplants still in production.