Stuttgart. With the 911 GT3 RS 4.0, one of Dr. Ing. h.c. F. Porsche AG, Stuttgart s most popular, coveted and successful racing pedigree production cars is entering the home straight. Limited to 600 vehicles, the 911 GT3 RS 4.0 brings together in a road car all the attributes that have made the Porsche 911 GT3 a serial winner on the race track. The new model purveys thoroughbred motorsport technology to its innermost core. The flat engine's crankshaft has been lifted unchanged from the 911 GT3 RSR racing car s six cylinder engine and the forged pistons connecting rods are fashioned from titanium. The four-litre displacement sports engine, the biggest 911 model line engine ever, is also the most powerful naturally aspirated engine with 125 hp/litre (92 kW). It achieves its maximum power of 368 kW (500 hp) at 8,250 revs per minute. The engine delivers its maximum torque of 460 Newton metres at 5,750 rpm.