Computerized on-line ordering of automobiles, trucks, light-duty vans and sports utility vehicles; providing an on-line interactive data base in the field of automobile, truck, light-duty van and sports utility vehicle sales and leasing; preparing and disseminating advertising for others to facilitate automobile, truck, light-duty van and sports utility vehicle sales and leasing; electronic billboard advertising in the field of automobile, truck, light-duty van and sports utility vehicle sales and leasing; independent sales representative services in the field of automobile, truck, light-duty van and sports utility vehicle sales and leasing; computerized data base management in the nature of information storage and retrieval in the field of automobile, truck, light-duty van and sports utility vehicle sales and leasing; providing shoppers' guide information in the field of automobile, truck, light-duty van and sports utility vehicle sales and leasing; and referrals in the field of automobile, truck, light-duty van and sports utility vehicle sales and leasing