Goodguys West Coast Nationals is a major automotive expo and classic-car show held at the Alameda County Fairgrounds in Pleasanton, California. Organized by the Goodguys Rod & Custom Association, the event brings together thousands of hot rods, customs, muscle cars and vintage vehicles alongside a large vendor midway, swap meet and car corral. The weekend features on-site activities such as autocross and show‑and‑shine competitions, awards presentations, and specialty displays that make it a highlight of the West Coast classic-car calendar.