TURNING LEFT FROM TURN LANE WITH GREEN LIGHT. ONCOMING TRAFFIC WITH AMPLE SPACE TO MAKE THE LEFT TURN. STARTED TO ACCELERATE INTO INTERSECTION AND AUTO TRANSMISSION (DSG) SHIFTED TO A LOWER GEAR CAUSING SLUGGISH ACCELERATION. I PUSHED THE ACCELERATOR TO THE FLOOR TO GET MORE POWER AND TO AVOID THE APPROACHING TRAFFIC. BY THAT TIME, IT WAS TOO LATE AND A COLLISION OCCURRED, TOTALING BOTH VEHICLES. *TR