What is Mazda Testing with this RX-8 PROTOTYPE at the NÜRBURGRING? Acceleration & Sound Drag & Track by turboandstance - August 5, 2019August 5, 2019 During the Industry Pool at the Nürburgring they filmed this Mazda RX-8 prototype testing on track. Mazda’s continued interest in the rotary engine is a mystery not even Mulder and Scully could solve in a brisk 46-minute episode of RX-Files. The Japanese automaker showed the RX-8, the last rotary-powered production car,