Enthusiast News SMS SUPERCARS DEBUTS 570X CHALLENGER November 1, 2009 Jim Dvorak 2009 SMS 570X Challenger 2009 SMS 570X Challenger 2009 SMS 570X Challenger 2009 SMS 570X Challenger 2009 SMS 570X Challenger 2009 SMS 570X Challenger 2009 SMS 570X Challenger 2009 SMS 570X Challenger 2009 SMS 570X Challenger