The second-generation of Mazda's beloved RX-7 is often left out of the conversation. Here's why it shouldn't be.

For the engines included in this article, we've only selected engines that are distinguished by special quirks and features.

Mazda Cosmo Sport 110 Most car companies experimented with Felix Wankel’s take on internal combustion in the 1960s. Now usually referred to as a rotary the Wankel engine wiped-out NSU, the only ...