12. Subaru EJ20/EJ25
The Subaru EJ20 and EJ25 engines are staples in Legacy and Outback models, known for their distinctive boxer layout and dependable performance.
With regular maintenance—particularly attention to timing belts and head gaskets—these engines frequently reach and surpass the 200,000-mile benchmark.
According to Drive, the EJ-series has helped cement Subaru’s reputation for reliability, making these engines a favorite for drivers tackling all types of terrain and weather.