Extreme mileage is a testament to engineering excellence and durability. Certain engines stand out from the crowd for their ability to consistently reach impressive high mileages, making them favorites among enthusiasts and everyday drivers alike. Here’s a look at seven engines that have gained a reputation for long-lasting performance.

Toyota 2JZ-GTE

The Toyota 2JZ-GTE is often celebrated for its robust design and tuning potential, particularly in the Toyota Supra MK4 (1993-2002). Known for reaching over 300,000 miles with proper maintenance, this inline-six engine has a loyal following among tuners. Its iron block and aluminum DOHC head allow it to withstand significant horsepower increases, making it a favorite for high-performance builds. Many enthusiasts have reported their 2JZ-GTE engines surpassing 500,000 miles, thanks to routine oil changes and attention to cooling systems. The engine’s design has even made it a staple in motorsport, proving its reliability on the track. For those looking to extend their engine’s life, proper tuning and care are essential.

Honda K-series

The Honda K-series engines, particularly the K20 and K24, are renowned for their longevity and efficiency. Found in models such as the Honda Civic (2001-present) and CR-V (2002-present), these engines can easily exceed 200,000 miles with minimal issues. Their DOHC design and VTEC technology provide a great balance of performance and fuel efficiency. Many owners report their K-series engines approaching 300,000 miles, largely due to Honda’s commitment to quality and engineering. With regular maintenance, including timing belt changes and oil service, these engines can serve drivers reliably for years. The K-series has also gained popularity in the tuning community, further showcasing its durability and performance capabilities.

Ford 5.0L V8 (Coyote)

The Ford 5.0L V8, commonly known as the Coyote engine, is a powerhouse that has made its mark in vehicles like the Ford Mustang (2011-present) and F-150 (2011-present). This engine is engineered for performance and longevity, regularly exceeding 200,000 miles with diligent maintenance. Its aluminum block and DOHC design allow for efficient operation and high output, making it a favorite among performance enthusiasts. Real-world examples of Coyote engines achieving over 300,000 miles exist, especially when paired with quality oil and careful driving habits. Ford’s commitment to reliability in the Coyote design has made it a cornerstone in the performance and truck segments, proving its worth on the road and track alike. You can find one of these engines running strong with over 300,000 miles on various forums and community discussions.

Chevrolet 350 Small Block

The Chevrolet 350 Small Block is an iconic engine that has been powering vehicles since the late 1960s. Known for its durability, many of these engines can achieve over 300,000 miles when well-cared-for. Found in countless Chevy models, including the Camaro and Silverado, the 350 is easily rebuildable, which contributes to its longevity. The engine’s simple design and widespread availability of parts make it a favorite among classic car enthusiasts and hot rodders. With proper maintenance, including regular oil changes and cooling system upkeep, the 350 can last for decades. Its reputation for reliability is backed by countless real-world examples, making it a staple in the automotive community.

Subaru EJ22

The Subaru EJ22 engine has earned a reputation for exceptional durability, particularly in models like the Subaru Legacy (1990-1999) and Subaru Outback (1995-1999). Many owners report their EJ22 engines exceeding 300,000 miles, often attributed to Subaru’s boxer design, which lowers the center of gravity and reduces wear. With simple maintenance, including regular oil changes and timing belt replacements, the EJ22 can provide reliable service for years. Its low-end torque and fuel efficiency have made it a favorite among Subaru enthusiasts, and it’s not uncommon to see these engines still running strong in older models. For anyone looking for a durable option, the EJ22 stands out as a commendable choice.

Mercedes-Benz OM617

The OM617 engine is a legendary diesel powerplant that has powered models like the Mercedes-Benz 240D (1977-1985) and the 300D (1976-1985). Known for its incredible longevity, many OM617 engines are reported to exceed 500,000 miles with proper care. This five-cylinder engine is renowned for its robust construction and efficient fuel consumption, making it a favorite among diesel enthusiasts. Regular maintenance, including oil changes and fuel system servicing, is crucial to achieving high mileage. The OM617’s reputation for reliability has made it a sought-after choice for those looking to purchase a used diesel vehicle, as these engines are often still running strong decades after their initial production.

Volvo D24 Diesel

The Volvo D24 diesel engine is known for its impressive durability, frequently powering models like the Volvo 240 (1975-1993) and 740 (1982-1992). Many D24 engines have reached over 300,000 miles, thanks to their sturdy design and efficient fuel consumption. This engine features a robust iron block and a simple design that allows for easy maintenance and repairs. Owners often praise its longevity, with some reporting over 500,000 miles on the odometer. The D24’s reputation for reliability makes it a popular choice among those looking for a dependable diesel vehicle. As diesel engines continue to evolve, the D24 remains a classic example of durability in automotive engineering.