Find out what breaks on your car — and when

Figure 1 · Toyota Prius 2010–2015 · 3,988 reports

Counts tell you a car has a problem. Timing tells you which problem.

Bar spans the middle half of reports; the notch inside each bar is the median. Miles at failure on a proportional scale — equal distances are equal ratios, not equal miles.

1. Electronic brake control502 reports3,0001,000–5,500Electronic brake control: 502 reports, median 3,000 miles, middle half 1,000 to 5,500 miles.
2. Hydraulic brake circuit935 reports3,5001,000–7,500Hydraulic brake circuit: 935 reports, median 3,500 miles, middle half 1,000 to 7,500 miles.
3. Throttle and speed control370 reports5,0001,500–18,000Throttle and speed control: 370 reports, median 5,000 miles, middle half 1,500 to 18,000 miles.
4. Electrical system425 reports59,00013,000–113,000Electrical system: 425 reports, median 59,000 miles, middle half 13,000 to 113,000 miles.
5. Brakes1,435 reports87,00034,000–128,000Brakes: 1,435 reports, median 87,000 miles, middle half 34,000 to 128,000 miles.