As of now, there has been no official announcement regarding a "Cars 4" release date, so it is unclear whether it will come out in 2028, 2029, or any other year. The "Cars" franchise has been popular, leading to speculation about future installments, but Disney and Pixar have not confirmed any details about a fourth film. For the latest updates, it's best to keep an eye on official announcements from Disney and Pixar.

"Cars 2" is often considered a failure compared to its predecessor due to several factors. Critics noted that the film's plot was more focused on international espionage and action rather than character development and emotional storytelling, which resonated well in the first film. Additionally, the humor and themes appealed more to younger audiences, alienating older fans. The film also received mixed reviews, which affected its box office performance and overall reception, leading to a perception that it lacked the charm and depth of the original "Cars."

You can watch "Cars" (2006) on various streaming platforms, including Disney+ as it's part of the Disney and Pixar collection. Additionally, it may be available for rental or purchase on platforms like Amazon Prime Video, Google Play Movies, YouTube, and Apple iTunes. Check your local listings or streaming service availability, as options may vary by region.

As of October 2023, there has been no official announcement from Pixar or Disney regarding a "Cars 4." The franchise has expanded through spin-offs, including the "Cars on the Road" series on Disney+, but a fourth main installment has not been confirmed. Pixar tends to keep future projects under wraps, so fans should stay tuned for any updates from the studio.