The Mazda MX-5 (NB) is the second generation of the Mazda MX-5 manufactured from 1998 until 2005. The model continued the MX-5's philosophy of being a lightweight, front mid-engine, rear-wheel-drive roadster while featuring numerous performance improvements, however lacking its predecessor's retractable headlamps. The NB is also the only generation to feature a factory-built turbocharged variant in the form of the .