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 |  Jul 18 2013, 8:45 AM

6. Mazda Eunos Cosmo

Top-Ten-Rotaries-06

The most powerful rotary equipped vehicle ever offered from the factory was the Mazda Eunos Cosmo. This was the flagship for Mazda’s short lived Eunos luxury brand and could be had with a choice of rotaries. The base engine was the same twin-turbocharged 13B two rotor motor found in the RX-7. But, for those wanting more power there was the 20B twin-turbocharged three rotor motor that produced 300 hp and 300 lb-ft of torque.

With that much power being produced from the largest rotary engine ever installed in a production car, fuel economy, as expected, was downright atrocious for the Eunos Cosmo. But hey, it did a color touch screen which at the time would have been the cat’s pajamas.

  • Alfie

    How many gallons of oil were burnt making this post?

  • Mike Schlee

    Three gallons and two apex seals

  • Souse

    No C111?!?

  • Bryan Pizzuti

    Yeah, right after Mazda won LeMans, FIA outlawed rotary engines. They’re getting as bad as NASCAR with the rules these days…

  • Transpower

    Wow, I totally don’t remember the Aerovette….

  • Ken H

    Thank you for including the 20b cosmo.

    As an owner im Really happy to see it in an article