We were certain that such a model was on the way two years ago when Porsche announced the four-valve­-per-cylinder 928S, for the 944's power­plant is essentially half of the 928's V-8. Sure enough, ...

This "valveless" four-stroke sat unused for more than six decades, and it's a joy to watch someone get it back into running ...

D iscussions about the most powerful engine have become increasingly popular of late, what with automakers making wild claims ...

Given how much love Harley has for the V-twin, it is normal to expect great strides in engine tech using the configuration.

The Mercedes-AMG GLC43 Coupe comes to life with the snarl of a happy puppy wanting to play. And what you hear is what you get ...