Coleman's - The Chevrolet Chrysler, Dodge, Jeep, Ram Dealer for the Texarkana, Texas area. If you have landed here, that means you are searching for a Chevrolet, Dodge, Chrysler, Jeep, Ram dealership in the Texarkana and New Boston area. Welcome to Coleman''s! We have been here serving the Texarkana area for over 20 years and strive to be the best dealership in the area. We are known for our quick, neighborly and honest service. If you are in Texarkana or from any of the surrounding communities we want to be your destination for a great new Chrysler, Dodge, Jeep, Ram, certified pre-owned or used car, truck or SUV.