Rumor StatusBlue Sky
Jim Hill is reporting that Disney is considering putting components from Cars 3 in the Test Track pavilion as a 3rd version of the attraction.
The GM sponsorship is reportedly done in 2021-2022, but the time frame could be earlier.
March 19, 2017: On Episode 123 of the Unofficial Guide's Disney Dish Podcast with Jim Hill, Jim and Len discuss the possibility of components from Cars 3 being integrated into the Test Track Pavilion as part of a 3rd version of the attraction.
July 25, 2016: On a Premium Episode of the Unofficial Guide's Disney Dish podcast, Jim Hill predicted that in 2021-2022 when the GM sponsorship for Test Track is up, Disney might consider bringing a version of Radiator Springs Racers into that attraction.