Cornerstone Auto has become a well established neighbor to Elk River, Plymouth, and Monticello areas providing our customers with top brands of new and used vehicles including Chrysler, Dodge, Jeep, Ram, and Ford. As one of the largest automobile dealerships in Minnesota and the Twin Cities area, we are committed to customers satisfaction and strive to help with peace of mind when purchasing their next vehicle or in the need of vehicle service and maintenance by creating a safe informative and honest experience.