Kern Motor Company is your hometown Winchester Buick and GMC dealership. Serving you for 66 years, our reputation is built on customer trust as well as our dedication to make sure your experience with us is not only comfortable, but satisfying as well. Located at 2110 Valley Avenue, our Buick GMC dealership is proud to serve our customers with an extensive new and used Buick and GMC truck, car and SUV inventory. We also proudly serve Leesburg, VA with our excellent GM car, truck and SUV inventory.