President Obama doesn't ride in a beater. His motorcade consists of a GMC truck with hidden gatling guns, and a Cadillac Limousine called "Beast."

Beast, which we can't tell if it looks more like a Cadillac DTS or Cadillac STS, comes with a long list of extras - from night vision license plates to secret weapon compartments.

All doors on the Beast are 8 inches thick, and even its undercarriage could withstand RPG and grenade attacks. The driver's compartment consists of state-of-the-art communications and GPS in dash. The driver's window, like all windows around this limo, are…