Criswell CDJR of Thurmont - Your New and UsedChrysler Dealer in Thurmont, MD. Criswell CDJR of Thurmont is your source for new and pre-owned Chrysler, JEEP, RAM, and Dodge vehicles in Thurmont, MD near Frederick. Browse our full car, truck, and SUV inventory online and then visit our dealership in Thurmont for a test drive.