The 2018 Continental Tire SportsCar Championship is the nineteenth season of the Continental Tire SportsCar Challenge and the fifth season organized by the International Motor Sports Association (IMSA).
The class structure adds the TCR category alongside the GS and ST cars.
Eligible manufacturers include Alfa Romeo, Audi, Ford, Honda, Hyundai, Kia, SEAT, Subaru, and Volkswagen.
[1] The schedule remains unchanged, aside from the Circuit of the Americas being switched for Mid-Ohio Sports Car Course.
This race will preview the 2019 IMSA rules package and new tyre supplier Michelin.