Overview: About Model 1 Commercial Vehicles: Since we got our start in 1980, Model 1 Commercial Vehicles has grown to become the nation’s largest dealership, representing more than 20 top manufacturers across the U.S. And we did it all by listening to and investing in customers like you. Educates on Model 1 offerings (parts, service, warranty, vehicle lines, commercial upfitting), captures fleet size/ composition, hands off to internal owners (Parts, Service, Sales), and follows through until the customer’s need is fulfilled and satisfaction is confirmed.