Most cars these days have boring engines. I4, Flat-6, V8, … the modern car is. But I feel like some odd numbers today. … That's not really a problem if it's stuck on a big plane, but it's a slight issue when you're trying to fit one into a car. There have … My favorite though has to be the Volkswagen VR5, just because of how strange and unconventional the concept is. … fuck, just read the title as “odd cylindered engines” as in weird variations of everything excluding wankel. …

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The Best Odd-Cylindered Engines Of All Time – Jalopnik