Highly rated Frederick, MD used car dealer. Hi Lo Auto Sales car dealership sells and finances used cars, trucks and SUVs. Shop for quality used cars near you at a great price. Trade-ins are welcome, and we buy vehicles. Our Maryland car lot serves Frederick, Walkersville, Baltimore, Bartonsville, Ballenger Creek, and more. We offer a large selection of used cars, trucks, & SUVs from Chevrolet, Ford, Ram, Toyota, Honda, and more. Hi Lo Auto Sales has offered a first-class car buying experience since our founding. Visit our Frederick area dealership showroom to make one of our used cars for sale yours today.