Explore the iconic five-cylinder engine, from Audi Quattro to RS3, known for its unique sound, power, and racing heritage.

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 ...

The four-cylinder engine stands as a cornerstone of automotive history. Without this foundational technology, today's V6 and V8 powerplants may never have come to exist, and the automobile itself ...