Scotty Kilmer recommends four car brands that are worth buying and provides DIY tips and car reviews. Some of the best car brands according to him include Chevy, GM, Chrysler, Fiat, Honda, Toyota, Subaru, Mazda, and Ford. He also suggests the most reliable cars to buy. Additionally, Scotty shares a list of top DIY tools that he personally uses and recommends for car maintenance and repair. He emphasizes the importance of having a dash cam in every car. Scotty’s YouTube channel provides honest and humorous content about cars without any sponsored content, offering viewers a chance to learn about car repairs and maintenance. He has been working as an auto mechanic for over 50 years and regularly shares his knowledge with his audience through his videos and live Q&A sessions.