Subaru's 3.6-liter flat-six engine might not be long ... closely associated with turbocharged four-cylinder engines. The company's six-pot boxer is currently only offered in the Legacy and Outback ...

The Beetle, meanwhile, debuted with a flat-four engine; one that would be 1,131cc and boast a reasonable-for–the-era 25 brake horsepower. This boxer, of course, would develop more and more of a ...