12 Acura Engines That Refuse To Quit

Acura has built a legacy of engineering excellence, and nowhere is that more evident than in its long-lasting engines. Known for their smooth performance and bulletproof reliability, these powerplants have earned a reputation for going the distance without losing their edge. Whether it’s a spirited VTEC unit or a refined V6, Acura engines continue to thrive even after hundreds of thousands of miles. This list celebrates 12 Acura engines that seem determined never to retire, and drivers couldn’t be happier.

J32A2 – The Refined V6 Powerhouse

This 3.2-liter V6 gave the TL Type-S its silky, punchy demeanor, delivering both excitement and grace. Its VTEC system allowed it to offer a dual personality: calm during cruising and explosive when pushed. With a reputation for exceeding 300,000 miles without breaking a sweat, the J32A2 earned its stripes as one of Acura’s greatest engines.

B18C1 – The Rev-Happy Performer

Found in the Acura Integra GS-R, the B18C1 became a fan favorite for its aggressive VTEC crossover and high-revving nature. Tuners loved its 8,200 RPM redline and willingness to respond to bolt-on upgrades without compromising reliability. Whether tearing through canyon roads or surviving years of city driving, this engine proved nearly indestructible with just regular maintenance.

K24A2 – The Perfect Blend of Strength and Longevity

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Placed in the Acura TSX, the K24A2 became a reliable daily driver and a surprisingly competent performance platform. With strong internals, excellent oil flow, and smooth delivery of power, it was a favorite among those who valued both longevity and spirited driving. Many enthusiasts continue to run these engines past 400,000 miles with very few internal repairs.

C30A – The Exotic NSX Marvel

Developed with the help of Formula One engineers, the 3.0-liter V6 in the original NSX stunned with its titanium rods, forged pistons, and incredible precision. This engine could handle constant high-speed runs and never flinch, even under intense pressure. Decades later, C30As are still being tracked and raced, proving the staying power of Honda’s craftsmanship.

J35Z6 – The Strong-Hearted MDX Motor

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Serving in the MDX and other models, the J35Z6 offered a strong mix of torque, efficiency, and rock-solid reliability. Designed to tow, haul, and climb with ease, this V6 earned a loyal following for its unmatched stamina in harsh conditions. Properly maintained, it often goes beyond 250,000 miles with original internals still intact.

B17A1 – A Rare High-Revving Gem

The B17A1 was one of the earliest VTEC motors to enter North America and found its home in the 92-’93 Integra GS-R. It delivered 160 horsepower from a 1.7-liter displacement, impressive for the era, and loved being pushed to its limits. Its rarity and resilience have made it a prized engine in the classic JDM community.

J30A1 – The Unsung V6 Hero

This 3.0-liter engine powered early 2000s Acura TLs and 3.0CLs, offering quiet power delivery with exceptional long-term reliability. It may not have gained the fame of other J-series engines, but its smooth operation and robust construction won over loyal owners. Even today, many J30A1-equipped Acuras are still running with minimal issues.

K20Z3 – The Sporty Civic Si Cousin

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The high-revving 2.0-liter K20Z3 found in the Acura RSX Type-S and Civic Si is a marvel of naturally aspirated engineering. With its 8,000+ RPM redline and responsive VTEC, this engine delivers a unique thrill without giving up daily drivability. Tuners swear by its durability, and many examples have logged 200,000+ miles on factory internals with aggressive driving.

J37A4 – The TL SH-AWD Legend

Making its debut in the TL SH-AWD, the J37A4 brought 305 horsepower and an assertive growl to Acura’s lineup. Despite the power, it maintained the brand’s reputation for smoothness and resilience. With its torque-friendly nature and long service intervals, this engine quickly became a favorite among spirited luxury drivers who demanded longevity.

B18B1 – The Everyday Champion

Unlike its VTEC siblings, the B18B1 kept things simple but just as effective, offering 142 horsepower and bulletproof dependability. Used in base Integras, it could handle turbocharging, daily driving, and long-distance cruising without missing a beat. It remains a top choice for budget builds and swap projects due to its unshakable reliability.

J35Y6 – The Modern Workhorse

As one of Acura’s latest iterations of the J-series, the J35Y6 continues the brand’s reputation for smooth, efficient V6s. Found in newer MDX and Pilot models, it blends variable cylinder management with direct injection for improved longevity and fuel economy. Early signs show these engines are set to match their predecessors in both durability and performance.

K20A – The High-Performance Precision Tool

Found in Japanese Type R models and revered by performance enthusiasts worldwide, the K20A remains a marvel of naturally aspirated technology. With precise engineering, forged components, and bulletproof reliability, it’s an engine that loves abuse yet lasts forever. Even under race conditions, it rarely flinches, proving its reputation is well-earned.

Acura’s engines have stood the test of time, not just in terms of performance, but in the way they continue to operate mile after mile without complaint. From the high-revving B-series to the mighty J-series V6s, these motors reflect a culture of precision engineering and thoughtful design. Enthusiasts trust them to power everything from family sedans to weekend track cars. This list proves that when you invest in an Acura, you’re not just buying a vehicle, you’re buying a machine built to last.

Disclaimer: This list is solely the author’s opinion based on research and publicly available information.

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