Choosing between aluminum and cast iron engine blocks isn't just about weight or cost. We explain what matters when big horsepower is the goal.

Bugatti’s famed 16-cylinder is the first W-configuration engine used in a passenger vehicle. It’s also been a fixture of the two hypercars, and their many variants, that the company has built since it ...

The unusual Bugatti W16 engine is a marvelous combination of compact size and prodigious power output. The largest, most complex version of the Volkswagen Group's W8/W12/W16 engine family, the W16 was ...