0-356 km/h (221 mph): Porsche 911 GT2 RS (991) meets Autobahn and does Topspeed run Drag & Track Misc Street Races by turboandstance - November 10, 2017September 30, 2020 The new Porsche GT2 RS is the fastest 911 Porsche has ever produced till today, with specs of a supersportcar. While designing this one they kept the maximum downforce in mind to give the car maximum downforce. The new Porsche GT2 RS has 700HP and does the sprint from 0-60mph/100kmh in