Tucson, AZ is the second largest city in Arizona. It was under Spanish missionaries during 1700-1776. Later, US purchased this from Mexico in 1853. It is a popular health resort because of its salubrious climate. Aerospace, missile production,high technology, bio-tech, environmental technology are some of the major industries. If you are interested in buying a CPO (Certified Pre-Owned ), then why don't you check our CPO page? A used car undergoes a rigorous check of its major systems before being called CPO. Any Credit Ok!