The five-cylinder engine is uncommon relative to the ubiquitous four-cylinder, six-cylinder, or eight-cylinder variants. As an odd-number engine, it certainly is in a class of just three such engines.

The most obvious difference between even-firing and odd-firing engines is their sound. But before we dive into that, let's understand what odd- and even-firing means. In a four-stroke engine, one ...

Combustion engines with an odd number of cylinders are not unheard of but are not particularly common, either. Honda‘s just trotted out an interesting one: A V3, so, two pistons on one side and one on ...