Though mighty and smooth, even the most luxurious brands feature fewer and fewer cars equipped with 12-cylinder engines. Self-balancing by default, V-12 engines have long been considered to be the ...

It's one of those questions you've probably never thought to ask, but the second you hear it, it's stuck in your head. Automakers have produced cars with three, four, five, six, eight, 10, 12, and 16 ...