James Sofronas and his Global Motorsports Group (GMG) team tested two of their five Audi R8s last week at the Thermal Club in Thermal, California. GMG is slated to run two Audi R8 LMS and three Audi R8 Ultra in GT/GT-A in the upcoming 2014 Pirelli World Challenge season.
Pirelli World Challenge : Global Motorsports Group Tests its Audi R8s in Preparation for 2014 Season
