It depends, formal Mexicans Spanish from Mexico, yes; illegal Mexican Spanish, No; but that's because illegal aliens in the States are mostly poor peasants.
Formal Mexican Spanish in Mexico, sounds like these:
http://www.youtube.com/watch?v=-jmtw6Ccyo8
Formal Mexican Spanish in Mexico, sounds like these:
http://www.youtube.com/watch?v=-jmtw6Ccyo8