Aston Martin has unveiled its new 2012 V12 Vantage GT3 racecar. The DBRS9 replacement is powered by a modified version of the production car's 6.0-liter V12, which has been repositioned in order to optimize weight balance. It delivers an output of 600HP and 700 Nm (516 lb-ft) of torque transferred to the rear wheels via an Xtrac 6-speed sequential gearbox. Read more »