Carville's Auto mart has been the trusted used car dealership in Grand Junction Colorado for over 30 years. experience. Let us show you our massive selection which is the largest inventory of used cars on the Western Slope. Come and see us in Grand Junction, and let us show you how a used car dealership should be. These pre-owned vehicles range from the affordable to the luxurious. You can find that perfect car, truck, van or SUV for you transportation needs with the largest selection of pre-owned automobiles in Western Co. We even have a huge selection of new and used RV's including pull behind campers, pop ups, fifth wheels toy haulers, motorhomes and the popular Mercedes Benz Sprinter chassis Coachmen Prisms.