According to Consumer Reports' annual reliability survey, Lexus, Subaru, and Toyota lead the rankings for the most reliable new cars, while Tesla has made significant improvements. The survey is based on data from over 380,000 vehicles and evaluates 20 trouble areas, including engine, transmission, and infotainment system problems. Hybrid models are found to be more reliable than electric vehicles and plug-in hybrids. Mazda has seen a significant drop in its reliability rankings due to issues with its new SUV models.