Following a historic 2014 performance in which Kia became the first Korean automaker to win the Pirelli World Challenge (PWC) Grand Touring Sport (GTS) Manufacturer Championship, earning 13 podiums, including five wins, during the 16-race season, Kia Racing and its partner Kinetic Motorsports start their title defense this weekend at the 2015 season opener at Circuit of the Americas (COTA) in Austin, Texas, March 7-8.