Speck Motors has been a family owned and operated business serving the Yakima Valley since 1912. We are a new Buick and Chevrolet dealer that also carries over 400 used cars for sale. Get timely service you can count on from the GM Certified Technicians in our state-of-the-art auto repair shop.. Join the family today! During COVID-19 your safety is our top priority at Speck Motors of Sunnyside. We have implemented several new safety measures for the well being of our employees and customers.