06/19/2026
The 1991 24 Hours of Le Mans stands as one of the most disruptive moments in motorsport history, showcasing a masterclass of determination, reliability and fuel efficiency. It was the year technological innovations defied conventional engineering. At the epicenter of this revolution was the Mazda 787B, a light weight rotary powered racing machine paired with custom engineered Dunlop racing slicks. By the time the checkered flag dropped, it became the first Japanese manufacturer and the only rotary powered vehicle ever to claim overall victory at the Circuit de la Sarthe
The scream of 9,000 RPMs under the iconic Dunlop Bridge is a poetic masterpiece for the senses.
While rivals conformed to heavy, turbocharged V8 and V12 engines, Mazda committed to the naturally aspirated R26B 2.6L four rotor Wankel engine. Emitting a high pitched, 9,000 RPM mechanical shriek, the lightweight 700 horsepower power plant provided a completely linear torque curve.
This unique engine architecture meant fewer moving parts, less internal friction, and a level of mechanical efficiency that caught the entire paddock off guard.
Dunlop custom engineered tires that were tailored to the 787B’s unique power band and light weight chassis, resulting in superior grip, unmatched durability, and fewer pit stops.
Optimized tire durability paired with the light weight 4 rotor fuel efficiency proved crucial in the brutal endurance race. The punishing track conditions pushed the Group C machinery to their limits. Heavy ballast restrictions crippled favored rival teams, leading to dramatic mid race retirements. As the competition crumbled, the Mazda and Dunlop reliability.
The technical innovations behind the Dunlop Tires and Mazda’s lightweight chassis and engine combination have allowed the #55 car to bypass lengthy pit stops and seize a commanding two-lap lead. This legendary victory cemented the 787B, its iconic Renown livery, and its visionary tire partnership into racing lore.
That iconic 1991 Le Mans win wasn’t just a fleeting moment in racing history; it’s the exact DNA built into every tire we craft today. Winning