The most common problems reported with the Toyota RAV4 varied across model years, and it's important to note that car reliability can be influenced by factors such as manufacturing changes, driving conditions, and maintenance practices. Common issues included complaints about excessive oil consumption in some earlier models, problems with the transmission, and occasional issues with the electrical system. However, it's crucial to check the latest consumer reports, reviews, and expert opinions for the most up-to-date information on the specific model year you are interested in, as manufacturers often address and rectify issues in newer versions. Regular maintenance and prompt attention to any potential problems can contribute to the longevity and reliability of any vehicle, including the Toyota RAV4.