The 2017 DC Solar 200 was the fourth stock car race of the 2017 NASCAR Xfinity Series season and the 13th iteration of the event. The race was held on Saturday, March 18, 2017, in Avondale, Arizona at Phoenix International Raceway, a 1-mile (1.6 km) permanent low-banked tri-oval race track. The race took the scheduled 200 laps to complete. At race's end, Justin Allgaier, driving for JR Motorsports, would pull away on the final restart with four to go to win his fourth career NASCAR Xfinity Series win and his first of the season. To fill out the podium, Ryan Blaney of Team Penske and Erik Jones of Joe Gibbs Racing would finish second and third, respectively.