Volkswagen owes its decades of success to the reliability and versatility of the iconic air-cooled flat-4 engine. From the company's 1930s origins at the behest of the German government, Volkswagen ...
Although Subaru didn't invent flat engines, and isn't the only automaker still using them, those motors have become a defining characteristic of the brand. (The same can be said for all-wheel drive, ...
Subaru stands out as the only U.S. automaker still producing a turbocharged flat-4 engine, a configuration that offers unique benefits in performance and handling. With a rich history and a commitment ...
Flat engines are horizontally-opposed piston engines, and this group includes Boxer engines, but not opposed-piston engines like the Cummins 14.3L Advanced Combat Engine (ACE) designed to power tanks.
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