2018 Circuit Series

The 2018 Circuit Series is a sports car racing series organized by the North American Production Car Championship Association (NAPCCA), in conjunction with the Stéphane Ratel Organisation (SRO), and Fédération Internationale de l'Automobile (FIA). It features grand tourer (GT) racing cars based upon production road cars that comply with the FIA's GT3 regulations.

Teams and Drivers
Sixteen teams took part in the 2018 championship. Two teams were entered by each constructor, with three drivers taking part per team, for a total of ninety-six drivers.

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Schedule
Eighteen rounds were confirmed by the NAPCCA to be counted towards the 2018 Circuit Series.