20 Car Engines That Could Run Forever With Basic Care

Car engines are complex machines that can keep running smoothly with the right attention and maintenance. Many car owners worry about expensive repairs and shortened vehicle lifespans, but some automotive engineering marvels are designed to go the extra mile. Understanding how certain engines maintain their performance can help car owners save money and enjoy their vehicles for years to come.

Proper maintenance is the secret weapon for long-lasting car engines. Regular oil changes, timely filter replacements, and paying attention to warning signs can transform an average engine into a reliable powerhouse. By learning about engines that have proven themselves as durable workhorses, car owners can make smarter choices about vehicle care and potentially extend their car’s life far beyond initial expectations.

Toyota 2JZ-GTE Engine

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The Toyota 2JZ-GTE engine is a legendary inline-six powerplant that became famous through motorsport and tuning communities. Originally found in the Toyota Supra MK4, this engine has earned a reputation for incredible durability and immense power potential. Its robust cast-iron block and strong internals make it capable of handling massive amounts of boost from turbochargers. Mechanics and enthusiasts worldwide consider this engine a benchmark for reliability and performance.

Honda B-Series Engine

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The Honda B-Series engine revolutionized compact car performance during the 1990s and early 2000s. Known for its lightweight design and high-revving character, this engine powered numerous Honda Civic and Integra models. Its precision engineering allows for minimal maintenance while delivering consistent performance. The B-Series can easily surpass 200,000 miles with routine care and has become a favorite among performance enthusiasts.

Mercedes-Benz OM617 Diesel Engine

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Mercedes-Benz diesel engines from the 1970s and 1980s are renowned for their incredible longevity. The OM617 five-cylinder diesel engine stands out as potentially the most reliable diesel engine ever produced. Stories of these engines running for over 1 million miles are not uncommon among Mercedes enthusiasts. Its simple mechanical design and robust construction make it incredibly resistant to wear and tear.

Chevrolet Small Block V8 Engine

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The Chevrolet Small Block V8 is an American automotive icon that has powered countless vehicles since its introduction in 1955. This engine design has been continuously improved and remains popular among hot rodders and classic car fans. Its modular design allows for easy maintenance and extensive modifications. With proper care, Small Block V8 engines can run smoothly for decades.

Nissan RB26DETT Engine

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The Nissan RB26DETT engine gained worldwide fame through the Nissan Skyline GT-R performance cars. Originally designed for high-performance racing applications, this inline-six engine features advanced technologies like individual throttle bodies and twin turbochargers. Its robust construction and precise engineering make it capable of handling significant power increases. Enthusiasts appreciate its durability and potential for modification.

Ford Modular V8 Engine

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Ford’s Modular V8 engine has powered numerous iconic vehicles including the Mustang and F-150 trucks. Its aluminum block and advanced engineering provide an excellent balance between performance and reliability. The engine’s design allows for easy maintenance and potential upgrades. Professional mechanics consider this engine a solid choice for long-term vehicle ownership.

Subaru EJ Series Engine

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Subaru’s EJ Series boxer engines are famous for their symmetrical all-wheel-drive applications. These engines power popular models like the Impreza WRX and Legacy. Their unique horizontal layout provides excellent weight distribution and mechanical balance. With regular maintenance, these engines can easily surpass 200,000 miles.

Toyota 1UZ-FE V8 Engine

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The Toyota 1UZ-FE V8 engine represents Japanese precision engineering at its finest. Initially introduced in the Lexus LS400, this engine set new standards for smoothness and reliability. Its all-aluminum construction and advanced design make it incredibly durable. Many mechanics consider this engine virtually indestructible with basic maintenance.

Porsche Air-Cooled Flat-Six Engine

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Porsche’s classic air-cooled flat-six engines powered iconic 911 models for decades. These engines are known for their unique sound, mechanical simplicity, and incredible durability. Their design eliminates complex water cooling systems, reducing potential failure points. Vintage Porsche enthusiasts still praise these engines for their remarkable longevity.

BMW M50 Inline-Six Engine

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The BMW M50 inline-six engine powered numerous 3-series and 5-series models during the 1990s. Its robust design and precise German engineering made it extremely reliable. The engine’s simplicity allows for straightforward maintenance and potential modifications. Many examples continue running smoothly decades after initial production.

Mazda Rotary 13B Engine

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Mazda’s rotary 13B engine became legendary through the RX-7 sports car. Unlike traditional piston engines, rotary designs offer unique performance characteristics. Proper maintenance is crucial for these engines, but they can provide exceptional performance when cared for correctly. Their lightweight design and high-revving nature make them popular among automotive enthusiasts.

Land Rover Series Diesel Engine

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Land Rover’s classic diesel engines from the Series models are known for incredible durability. These simple, mechanical engines were designed to operate in extreme conditions. Their robust construction allows them to function in harsh environments like deserts and mountains. Many vintage Land Rovers still run perfectly after 50+ years.

Detroit Diesel Series 60 Engine

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The Detroit Diesel Series 60 engine is a heavy-duty diesel powerplant used in trucks and industrial applications. Known for exceptional reliability, these engines can run for over 1 million miles with proper maintenance. Their straightforward mechanical design minimizes complex failure points. Trucking companies worldwide trust these engines for long-haul operations.

Mitsubishi 4G63 Engine

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The Mitsubishi 4G63 engine powered legendary performance cars like the Lancer Evolution. Its robust design and advanced engineering made it a favorite among rally racing teams. The engine can handle significant power increases and modifications. Enthusiasts appreciate its durability and potential for high-performance tuning.

Ford 300 Inline-Six Engine

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Ford’s 300 cubic inch inline-six engine is considered one of the most reliable truck engines ever produced. Used in F-Series trucks and industrial applications, this engine offers incredible simplicity and durability. Its robust cast-iron construction allows for minimal maintenance and long service life. Many examples continue running after multiple decades.

Volvo Redblock Engine

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Volvo’s Redblock engine series powered numerous models during the 1980s and 1990s. These engines are known for exceptional build quality and mechanical simplicity. Their design allows for easy maintenance and potential modifications. Many Volvo enthusiasts report running these engines for hundreds of thousands of miles.

General Motors 3800 V6 Engine

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The GM 3800 V6 engine is considered one of the most reliable mass-produced engines in automotive history. Used in numerous Buick, Oldsmobile, and Pontiac models, this engine offers excellent durability. Its simple design and robust construction minimize potential mechanical issues. Many examples continue running smoothly after 300,000 miles.

Toyota 1KZ-TE Diesel Engine

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Toyota’s 1KZ-TE diesel engine is famous for its reliability in trucks and SUVs. Commonly found in Land Cruiser and Hilux models, this engine offers exceptional durability. Its mechanical design allows for easy maintenance and long service life. Many examples continue operating in challenging global environments.

Cummins 6BT Diesel Engine

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The Cummins 6BT diesel engine is a legendary powerplant in the trucking and agricultural industries. Known for incredible durability, these engines can run for over 1 million miles. Their simple mechanical design minimizes potential failure points. Many vintage trucks still use these engines decades after initial production.

Toyota 1G-FE Inline-Six Engine

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The Toyota 1G-FE inline-six engine represents Japanese engineering precision. Used in various Lexus and Toyota models, this engine offers exceptional smoothness and reliability. Its advanced design allows for minimal maintenance and long service life. Mechanics consistently praise this engine for its durability.

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Victoria Omololu

Victoria Omololu is a fashionista exploring the world on a budget. She co-founded Only Earthlings in 2023 to show her travels in North America, Europe, Africa, and everywhere else. Victoria loves writing about travel tips, itineraries, packing guides, and taking photography from all over the world.

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