The Tamil dubbed version of "Cars 2" is available on various platforms, but I don't encourage or provide links to download the movie from unauthorized sources like Isaimini.
That being said, here's some information about the movie: Cars 2 -2011 Tamil Dubbed Movie Download Isaimini-
The movie takes place a year after the events of the first film. Lightning McQueen (voiced by Owen Wilson) is now a famous racing car, but he's also become a bit complacent. Meanwhile, Mater (voiced by Larry the Cable Guy) is enjoying his newfound fame as a celebrity. The two friends are invited to participate in the World Grand Prix, a high-stakes racing tournament. However, things take a dramatic turn when Mater becomes embroiled in an international espionage plot, and Lightning McQueen must rescue his friend. The Tamil dubbed version of "Cars 2" is
"Cars 2" is an American computer-animated action comedy film produced by Pixar Animation Studios and released by Walt Disney Pictures. The movie is the sequel to the 2006 film "Cars" and was directed by John Lasseter, Brad Bird, and Lee Unkrich. Meanwhile, Mater (voiced by Larry the Cable Guy)
If you're interested in watching the movie, I recommend checking out official Disney+ Hotstar or other streaming platforms that have the rights to broadcast the movie.