In 1968, Subaru introduced the diminutive 360 as an inexpensive economy car: “Cheap and Ugly” (Subaru’s words, not mine). Only seven years later, the brand made a big move with the launch of its 4WD ...
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.