The 13b engine is celebrated worldwide for its unique rotary design and iconic performance profile. Built by Mazda, this compact rotary powerplant gained legendary status due to its smooth power delivery and high-revving capability. Unlike conventional piston motors, the 13b engine operates with twin rotors, allowing it to deliver impressive output despite its small displacement. Car enthusiasts often admire how the 13b engine achieves a remarkable power-to-weight ratio, making it a perfect match for lightweight performance vehicles.

Throughout its evolution, the 13b engine demonstrated versatility by excelling in both street and motorsport environments. Mazda engineers embraced innovation, refining the 13b engine with upgraded fuel systems, turbocharging options, and improved cooling channels. These enhancements allowed the 13b engine to support higher boost levels and deliver significant horsepower increases without compromising reliability. As a result, the 13b engine became the heart of iconic vehicles like the RX-7, earning global respect.