The term 'Dollar Alternative' refers to three car rental companies: Hertz (5 letters), Avis (4 letters) and ALAMO (5 letters). Hertz is an American car rental company that operates in 150 countries. Avis is a car rental company that was founded in 1946 and is now owned by Avis Budget Group. ALAMO is a car rental company that is part of the Enterprise Holdings family of brands. All three companies offer competitive rates and provide customers with an alternative to Dollar car rentals.