a 7-speed PDK transmission to handle the excessive torque produced from the engine. Porsche claims that the car will accelerate from in 2.7 seconds, and has a top speed of . The car has a roof made of magnesium, front lid, front and rear wings and boot lid made of carbon-fibre, front and rear apron made of lightweight polyurethane, rear and side windows made of polycarbonate and an exhaust system made of titanium. Porsche claims that the car has a wet weight of . A Weissach package option is available, which reduces weight by , courtesy of the additional use of carbon-fibre and titanium parts. This includes the roof, the anti-roll bars, and the coupling rods on both axles being made out of carbon-fibre, while the roll cage is made from titanium. The package also includes a set of magnesium wheels. The car was available in the United States from early 2018. A production run of 1,000 units was planned. The production run of the GT2 RS was to end by February 2019 but four units were lost in transit to Brazil due to the sinking of the ship Grande America on which the cars were on board in March 2019. Porsche decided to restart production to reproduce the lost cars. In late September 2017, the 911 GT2 RS driven by Porsche test driver Lars Kern set a 6:47.3 minute lap time around the Nürburgring Nordschleife, averaging a speed of . This made it the fastest production car lap time recorded on the track at the time. In 2018, Warren Luff at the wheel of the GT2 RS (without the Weissach package) set the fastest production lap record at The Bend Motorsport Park with a lap time of 3:24.079 minutes around the 7.77 km GT layout. On 25 October 2018, a 6:40.33 minute lap time around the Nürburgring Nordschleife was set by Porsche test driver Lars Kern in a 911 GT2 RS MR prepared by Porsche-owned Manthey Racing, surpassing the previous record holder, an unmodified Lamborghini Aventador SVJ that dethroned the GT2 RS of its record during July 2018. In 2019 Porsche set further production lap records with the car at various North American circuits - 1:24.88 minutes at Road Atlanta, 2:15.17 minutes at Road America and 1:22.36 minutes at Canadian Tire Motorsport Park. Technical specifications Technical specifications of the 2018 991.2 GT2 RS: Configuration: Water-cooled twin-turbocharged Porsche flat-six engine