CAME TO A STOP WAITING FOR A CAR AHEAD OF ME TO MAKE A LEFT HAND TURN. WAS THEN CONTACTED BY ANOTHER VEHICLE FROM BEHIND THAT WAS TRAVELING AT AN ESTIMATED 60 MPH. MY CTS-V WAS THEN PUSHED INTO THE CAR IN FRONT CAUSING SIGNIFICANT DAMAGE TO THAT VEHICLE, AND CRUSHING MY FRONT END. OF ALL AIRBAGS IN THE CTS-V, NOT ONE DEPLOYED.