Results are for year ending June 30, 2018. Only successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
You won't find Toyota Prius reliability information like this anywhere else. Actual repair frequencies, not just vague dots. So you can tell how much the Toyota Prius truly differs from competing car models in reliability.
These stats have been promptly updated four times a year, to much more closely track Toyota Prius reliability as the cars age. Others tell you how reliable the Toyota Prius was a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the Toyota Prius has been recently.