Cup from 1992) based on the 964 Carrera RS (itself based on the earlier 1990 964 Carrera Cup) was the vehicle of choice. Compared to the road car the Cup race car features a similarly stripped-out interior and retains the catalytic converter, 18 inch magnesium wheels and ABS but was lowered by 20mm, featured a full roll cage and no passenger seat. 911 Cup 3.8 (Type 993) Based on the 993 Carrera 2 and used in the Porsche Supercup for seasons 1994–1997. Updated in 1995 with aero parts from the new Carrera RS, followed by a five-horsepower increase to at 6,200 rpm in 1996. 216 units were produced in total. 911 GT3 Cup (Type 996) Raced in the Porsche Supercup seasons 1998–2001. Basis for the upcoming 996 GT3 road car, featuring a 3.6 litre boxer engine on basis of the GT1 block. For the 1999 season the engine output was increased to and at 6,250 rpm. The car managed the 0- sprint in four seconds, with a top speed of . For the 2001 season the GT3 Cup received modified aerodynamics including an enlarged rear wing and improved cooling. 911 GT3 Cup (Type 996 II) Raced in the Porsche Supercup seasons 2002–2004. For 2002 the GT3 Cup received several changes based on the 996.2 Carrera and Turbo models, including Turbo-style headlights. The new body significantly improves aerodynamics and cooling. Engine output is increased to and , further changes include improved transmission cooling, a lightened exhaust system and other light-weighing measures across the car. For the 2004 season the car received further upgrades. Engine output is once again increased slightly, to at 7,200 rpm and at 6,500 rpm. Gear ratios of fourth, fifth and sixth gears have been shortened. An 89-litre fuel tank improves endurance racing capabilities. In the interior changes are made to enable the use of the HANS device. 911 GT3 Cup (Type 997) Raced in the Porsche Supercup seasons 2005–2009. The 997-based Cup car features significantly improved aerodynamics and lightweight CFRP parts, including doors, rear body panels, engine deck lid and rear wing. Parts of the suspension are adopted from the GT3 RSR. 911 GT3 Cup 3.8 (Type 997 II) Raced in the Porsche Supercup seasons 2010–2012. Based on 997.2 GT3 RS, the car features a new 3.8 litre engine, an enlarged rear wing adopted from 911 GT3 Cup S measuring , additional Unibal joints on the track