Number 95 Lightning McQueen is still a hotshot racecar, but his rookie days are past him. Now a permanent resident of Radiator Springs, Lightning has become a bona fide worldwide celebrity as winner of four Piston Cups.
After his latest win, Lightning returns home to enjoy life in the slow lane for a while with sweetheart Sally, best friend Mater and the rest of his Radiator Springs family. His off-season is unexpectedly cut short when Mater inadvertently prompts Lightning to enter the World Grand Prix, a high profile, three-part exhibition race that will take him around the globe.
With a fresh custom paint job and real, working headlights, Lightning sets off to Japan, Italy and England with Mater in tow for the adventure of a lifetime. But competing against the fastest cars in the world tests more than his racing skills when Lightning realizes his wide-eyed best friend may not be the pit chief nor ambassador he needs to navigate the unfamiliar international terrain.