Based on that article: 1st Gen: N/A 2nd Gen: Average J.D. Power Quality and Reliability Rating: 88.3 3rd Gen: 86.8 4th Gen: 82.5 5th Gen: N/A
the problem is, we look at the mechanics and electronics. they look at nhtsa complaints. both are limited in scope. summerizing that prius overall are not toyotas most reliable model is based on what?