Vanguard Automotive Group was a vehicle rental company based in Tulsa, Oklahoma, USA.
Vanguard purchased ANC Rental, owner of National Car Rental and Alamo Rent A Car. It had a fleet of nearly 300,000 vehicles, mainly from Ford and Chrysler, and operated in over 1,500 locations.[1] In 2007, Enterprise agreed to purchase a controlling share in the company from Cerberus Capital Management.[2] A sale to rival Enterprise Rent-A-Car was completed on August 1, 2007, making the combined Enterprise-Alamo-National the largest US car rental operation, ahead of The Hertz Corporation and Avis Budget Group.