Video Atlanta, Georgia. The fastest and most powerful street-legal 911 model ever is ready for launch: The new 2018 Porsche 911 GT2 RS is celebrating its official world premiere at the Goodwood Festival of Speed in the UK from June 30th to July 2nd. At the heart of this high-performance sports car is a 700-horsepower twin-turbo flat-six engine. Weighing in at 3,241 pounds with a full tank of fuel, the lightweight two-seater accelerates from zero to 60 miles per hour in 2.7 seconds. The new 911 GT2 RS can reach a top track speed of 211 miles per hour, and it surpasses the 2011 911 GT2 RS by 80 horsepower. The 2018 911 GT2 RS delivers 553 lb.-ft. of torque, an increase of 37 lb.-ft. compared to the previous 911 GT2 RS. The 3.8-liter engine in the GT2 RS is based on the power plant found in the current 911 Turbo S model. In order to increase performance further, larger turbochargers push an increased volume of air into the combustion chambers. A new additional cooling system d