A heavily modified Audi RS wagon cruises with an aggressive stance and track-ready setup. Its turbocharged engine and ...

The Audi five-cylinder isn’t long for this world, but it’s still around to celebrate its 50th birthday. Inline-five engines have been around since the ’30s, but it was only in the ’70s that they ...

Audi paid tribute to the five-cylinder engine with a concept car that seems to be out of this world. Created by apprentices at Neckarsulm, the concept car evokes 1980s vibes and prompts the question: ...

Both Audi and BMW have long, storied histories of making powerful six-cylinder engines. However, one of BMW's best was also one that flies a little bit under the radar, particularly in the U.S. — the ...