The team at Dewey Auto Outlet would like to welcome you to our dealership in Des Moines, where we’re confident you’ll find the vehicles you’re looking for at a price you can afford. Come and check out our full selection of Pre-Owned vehicles. No matter which vehicle you decide on, our professional finance team will help you get settled with a competitive financing or lease plan. Des Moines, IA 50317. Leaflet. Come experience the Dewey Auto Outlet difference in Des Moines! Virtual Test Drive Additional photos or video of the car you’re interested in. We can even do live streaming video.