National Motors Inc. Selling Used Cars at two locations in Nottingham, MD. At 4129 East Joppa Rd. & 4212 Ridge Rd. National Motors has easy financing for all types of credit. National Motors works with low down payment, blemished credit. National Motors wants to help you get financed on your next car, truck, van or SUV. Let us know how we can assist you. National Motors provides high quality luxury cars at affordable prices. We work with a low down payment or blemished credit. Isnât it time to be driving the luxury car you want at a price you can afford!