Inline engines can have anywhere from three ... seen in more luxurious and higher-performance vehicles. 3 Boxer (Flat) engine ...

First released in 1968, BMW’s M30 inline-6 was so well designed that ... This 5.0-liter straight-6 flathead engine could be tuned to produce up to 210 horsepower with 260 pound-foot of torque.

Inline-six engines are not unheard of in modern ... auto enthusiasts is generally that an i6 is vastly superior to a V6 engine in a number of ways. This begs the question whether it really is ...