The 2018 USAC Silver Crown Champ Car Series is the 47th season of Silver Crown racing under the USAC banner. The series will begin with the Phoenix Copper Cup at ISM Raceway on April 7, and will end with the 4 Crown Nationals at Eldora Speedway on September 22. Kody Swanson entered the 2018 season as the defending champion. Swanson won the 2018 season title, becoming a 4-time series champion. Swanson also joined Al Unser as one of the only two drivers in history to win four consecutive Hoosier Hundred races in a row in 2018. Swanson also became the all-time wins leader in Silver Crown at Salem with 24 wins.