16. Volkswagen 1.9 TDI Diesel
The Volkswagen 1.9 TDI diesel engine has a devoted following, largely due to its impressive fuel efficiency and steadfast reliability.
Commonly found in Golfs and Jettas, this engine is known for its ability to travel well beyond 200,000 miles with routine care.
According to CarThrottle, the 1.9 TDI’s simple construction and robust internals make it one of the most resilient diesels on the road, beloved by commuters and long-distance drivers alike.