Armored vehicles have come a long way since President Roosevelt rode in Al Capone's old car at the beginning of World War II.

code-named “Cadillac One,” and featuring design cues from the Cadillac DTS, debuted in 2009 to transport President Obama, shown above. Having the President ride around in an American-made limo ...

a DTS-L model of the Cadillac sedan was offered as a lengthened vehicle starting in the 2007 model year. DTS has also acted as the basis of exterior design for the limousines built for the president ...

code-named “Cadillac One,” and featuring design cues from the Cadillac DTS, debuted in 2009 to transport President Obama." Since the early 1980s, the presidential limo has been a Cadillac.