Suzuki GSX-R/4
The Suzuki GSX-R/4 is a concept car made by Suzuki in 2001. Designed as a showcase for technology, it never meant for production.
It has a mid-mounted, DOHC engine taken from the company's flagship motorcycle, the GSX-1300R Hayabusa with a top speed reaching of at 9800 rpm. It had upscale features for its time, such as GPS navigation. Alongside the GSX-R/4, Suzuki presented the Formula Hayabusa, an open wheel race car concept, also using the motorcycle engine.