Heading to the final round of the North American Endurance Cup – a four-race competition encompassing the long-distance classics of Petit Le Mans, Daytona, Sebring and Watkins Glen – Porsche is leading both the drivers’ and teams’ classification. Performance and reliability are the key factors in this competition, which incorporates the most important and toughest races of the season IMSA SportsCar Championship season. The Porsche GT Team fields two Porsche 911 RSR in the hotly contested GTLM class at the ten-hour race on the tradition steeped 4.087-kilometre Road Atlanta circuit at Braselton in the US state of Georgia. In the GTD class, four Porsche customer teams campaign the 911 GT3 R.

911 RSR, race, IMSA WeatherTech SportsCar Championship, Laguna Seca/USA, 2017, Porsche AG
The 911 RSR

The Porsche 911 RSR, which celebrated its maiden victory at Lime Rock on 22 July, is a completely new development based on the high-performance 911 GT3 RS sports car: the suspension, body structure, aerodynamic concept, engine and transmission have all been designed by Porsche Motorsport in Weissach from scratch for this season. Depending on the size of the restrictor, the motor, which is now positioned in front of the rear axle, puts out around 375 kW (510 hp). The 911 GT3 R, mounted with the new ultra-modern, four-litre, flat-six engine with direct fuel injection, was designed by Porsche for worldwide GT3 series on the basis of the 911 GT3 RS production sports car. This season, the 368+kW (500 hp) customer sport racer celebrated victories at Daytona and Lime Rock.

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