7 engines that proved bigger isn't always better

7 engines that proved bigger isn’t always better

Adrian Estremos

07/13/2026

7 engines that proved bigger isn’t always better — Image Credit: Iamjosemon – Own work, CC BY 4.0, via Wikimedia Commons

Engine size has never been the only measure of greatness. Some relatively small powerplants earned legendary reputations through clever engineering, remarkable efficiency, impressive durability, or surprising performance. These engines demonstrated that thoughtful design could outperform larger competitors, leaving a lasting impact on enthusiasts and the automotive industry alike.

Honda B16A

Image Credit: Marc Aberdeen – CC BY-ND 2.0 / flickr

The Honda B16A showed how a naturally aspirated 1.6-liter engine could deliver thrilling performance through high-revving capability and VTEC technology. Producing impressive horsepower for its size, it became a favorite among tuners and racers. Its engineering proved that efficiency and excitement could go hand in hand.

Mazda 13B Rotary

Image Credit: Wikisympathisant - CC BY-SA 4.0/Wiki Commons — Image Credit: Wikisympathisant – CC BY-SA 4.0/Wiki Commons

The Mazda 13B abandoned traditional piston design in favor of a compact rotary configuration that delivered smooth, high-revving performance. Despite its small displacement, it powered several iconic sports cars and achieved success in motorsport. Its unique engineering continues attracting enthusiasts who appreciate unconventional performance.

Ford EcoBoost 2.3L

Ford 2.3L Ecoboost — Image Credit: Norbert Aepli, Switzerland, CC BY 4.0, via Wikimedia Commons

The Ford EcoBoost 2.3-liter turbocharged engine combined direct injection and turbocharging to produce V8-like performance from a compact package. Used in vehicles such as the Mustang and Ranger, it demonstrated how modern technology could replace larger engines without sacrificing capability.

BMW S14

Image Credit: Beemwej - CC BY-SA 3.0/Wiki Commons — Image Credit: Beemwej – CC BY-SA 3.0/Wiki Commons

The BMW S14 powered the legendary E30 M3 with exceptional precision and race-inspired engineering. Although only a four-cylinder, it delivered outstanding responsiveness and high-rpm performance that helped dominate touring car racing. Its success proved that intelligent design often outweighed sheer displacement.

Volkswagen EA888

Image Credit: Iamjosemon – Own work, via Wikimedia Commons, CC BY 4.0

The Volkswagen EA888 turbocharged four-cylinder became one of the most versatile modern engines, powering everything from practical sedans to high-performance hatchbacks. Combining efficiency with strong horsepower and torque, it demonstrated how a compact engine could satisfy a wide range of driving needs.

Honda K20

Image Credit: Michael- CC BY-NC-ND 2.0 / flickr

The Honda K20 combined advanced i-VTEC technology, exceptional reliability, and outstanding tuning potential into a compact package. Whether naturally aspirated or modified for competition, it consistently delivered impressive results. The K20 remains a benchmark for how much performance a modern four-cylinder can provide.

Mercedes-Benz OM617

Image Credit: Sirnik at English Wikipedia, via Wikimedia Commons, Public Domain

The Mercedes-Benz OM617 proved that a modest-displacement five-cylinder diesel could achieve extraordinary longevity. Renowned for routinely exceeding hundreds of thousands of miles, it became one of the most durable diesel engines ever produced. Its reliability showed that intelligent engineering often matters far more than engine size alone.

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*Research for this article included AI assistance, with all final content reviewed by human editors

Adrian Estremos

Adrian Estremos is a staff writer and digital content specialist at Fast Lane Only, supporting the site’s automotive publishing workflow, content formatting, SEO refinement, and editorial presentation standards. He contributes to article editing, image sourcing, publishing coordination, and content optimization designed to improve readability and audience engagement across the platform.

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