An overnight change has seen Mazda Motorsports alter its direction on the plan to split powertrain setups for this weekend's Sahlen's Six Hours of the Glen.The factory TUDOR United SportsCar Championship Prototype team spent most of June testing a 2.0-liter gasoline-powered 4-cylinder turbo engine as an eventual replacement for its...

Namesake track ideal for diesel-powered Mazda Prototypes; Mazda Raceway Laguna Seca plays to the cars’ strengths. There's a new kind of pressure on the Mazda Prototypes for this weekend's Continental Tire Monterey Grand Prix powered by Mazda. Race number four for the TUDOR United SportsCar Series will take place Sunday,...

Mazda has a big challenge facing its new P2 diesel program when official practice for the 52nd running of the Rolex 24 At Daytona begins in seven days. As the first P2 prototypes of their kind, the manufacturer's 2.2-liter 4-cylinder turbo SkyActiv diesel powerplants have a significant learning curve to...

CLICK HERE for video of the car's first test. Mazda will make its long-awaited return to the ranks of prototype racing in 2014 when it enters a pair of factory-backed P2 cars in the TUDOR United SportsCar Championship. The Japanese brand will transition from 2013's two-car Grand-Am Rolex GX Mazda6...