The TechArt-modified Porsche 911 GT2 managed an average lap time of 1:08.037 minutes over five laps with racing driver Jörg Hardt behind the wheel, besting its nearest rival in second place by 0.604 seconds.
Utilising a pair of modified VTG turbochargers, the engine generates 515kW and maximum torque of 860Nm 4,500rpm with a top speed of 350km/h.
Although it was not brute power alone which led the GTStreet RS to victory, unique tyres and suspension have been added to car which have been developed in collaboration with technology partners Bilstein and Michelin.
In addition to the victory in the GT Turbo class, the TechArt team also performed exceptionally well in the Cabriolet-turbo class, taking first place yet again with a time of 1:09.601 in the TECHART GTstreet R Cabrio - 3.186 seconds of its competitors.
TechArt claimed its final victory with the Magnum taking first place in the SUV Class with a time of 1:16.939 - the fastest time ever achieved by a car in the 'heavyweight' division, and while riding on 22-inch TechArt Formula rims.
CarAdvice experienced the full ensemble of the TechArt Porsche range during the latest Full Throttle 2 tour of Europe. The full TechArt range is available in Australia through RamSpeed.