J.D. Powers has established Lexus, at 73 Problems Per 100 vehicles (PP100), had the lowest problem rate of all car manufacturers. Jaguar and Porsche, which scored 75 PP100, stand second. MINI (139), Fiat and Smart (151 each) posted the three worst scores.
For the first time in 26 years of recorded history, car owners have reported more problems (24% increase) with audio, entertainment and navigation systems than with any other type of equipment; partially because of the rapid introduction of new technologies, such as speech recognition softwares. Furthermore, problems regarding hands-free devices have increased by over 137% in four years.
Source: J.D. Power and Associates