What car engine lasts the longest?

The Enduring Engines: Cars With Engines That Last the Longest

In the realm of automobiles, the longevity of an engine is a critical factor that determines the overall value and reliability of a vehicle. While every engine has a finite lifespan, some designs stand out from the crowd with their exceptional durability, consistently surpassing the typical mileage expectations.

Toyota’s Legendary 22R

The Toyota 22R engine, fitted in various Toyota pickup trucks and SUVs from 1981 to 1995, has earned a legendary reputation for its unmatched reliability. Known for its simplicity, rugged construction, and efficient fuel consumption, the 22R has been documented to reach mileage in excess of 500,000 miles with proper maintenance.

Mercedes-Benz’s Enduring OM617 Diesel

Mercedes-Benz has a long history of producing high-quality engines, and the OM617 diesel is a testament to the company’s engineering prowess. This turbocharged inline-five diesel engine, found in Mercedes cars and vans from 1974 to 1999, is renowned for its exceptional durability and longevity. With regular maintenance, it is not uncommon for the OM617 to accumulate over 300,000 miles without major issues.

Other Engines with Remarkable Longevity

Beyond the 22R and OM617, numerous other engines have demonstrated exceptional longevity. Some notable examples include:

• Honda K-Series: Found in various Honda and Acura models, the K-Series engine is known for its high-revving characteristics and remarkable reliability.
• Mazda Rotary: The unique rotary engine featured in Mazda’s RX series of sports cars may not boast the highest mileage, but it has a reputation for durability and resilience.
• Volkswagen TDI: Volkswagen’s turbocharged diesel engines have gained popularity for their fuel efficiency and longevity, with some models reaching over 250,000 miles without major repairs.

Factors Contributing to Engine Longevity

While engine design plays a crucial role in longevity, there are other factors that contribute to the lifespan of a powerplant. These include:

• Proper Maintenance: Regular oil changes, fluid top-ups, and adherence to manufacturer-recommended maintenance schedules are vital for extending engine life.
• Driving Habits: Avoiding aggressive driving and excessive idling can reduce wear and tear on the engine.
• Quality of Fuels and Lubricants: Using high-quality fuels and lubricants designed for the specific engine helps maintain optimal performance and reduce wear.

Conclusion

When choosing a vehicle, the longevity of its engine is a key consideration. By understanding the exceptional durability of certain engine designs, such as the Toyota 22R, Mercedes-Benz OM617, and other engines mentioned, consumers can make informed decisions that will reward them with years of reliable motoring.