The horsepower wars are getting a little crazy now. Mercedes has just released the CL600 and S600 with twin turbo V12s pushing 500hp and 500tq. They now have the Maybach, SL55, E55, S55, CL600, and S600 all pushing close to 500 hp and sub 5 sec 0-60. The SL600 and CLK55 will probably soon follow.