For over three decades (Est. 1986), Sierra Auction Management, Inc. has been dedicated to providing the best auction experien ... ce for buyers and sellers. Sierra is a full service auction company specializing in the sale and disposition of vehicles, equipment and surplus assets for over 150 government agencies, large and small corporations, bankruptcy trustees, financial institutions, and charities. Sierra is the sole auction outlet for Seized vehicles from the Attorney General of the State of Arizona, Department of Public Safety (DPS), the Counter Narcotics Alliance (CNA), City of Phoenix, City of Mesa, and the vast majority of Government and Police agencies statewide! Additionally, Sierra has partnered with numerous charity organizations to auction donated vehicles. read more