Visit us online today at or give us a call at (866) 980-3494! br The premier GMC dealership in the Clarksville AR area is without a doubt Cogswell Motors! Take one step on the lot of Cogswell Motors, near Clarksville AR, and you will quickly see why they are the premier. Cogswell Motors has the premier GMC inventory, from pre-owned to new. Cogswell Motors has the premier GMC service department. Cogswell Motors has the premier GMC parts department.