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2015 Toyota Prius

For every car sold, owners filed somewhat fewer complaints about the 2015 Prius than about the typical Prius year. Among the 9 Prius years with enough complaints to compare, owners filed the fewest about this one, the 2015 (0.28 per 1,000 sold) and the most about the 2010 (11.98).

Safety complaints filed by owners in the first three years, per 1,000 sold.

0.28 per 1,000

0.6 times this nameplate’s own median

Counted from 35 complaints filed in the first three years, of 173 ever. 95% lower bound 0.18.

Every Prius model yearComplaints per 1,000 sold, first three years
This yearOther yearsToo few complaints to rankTypical year, 0.44

Against its own model years

The model year carries far more information than the badge, so this is the comparison that matters. The bar is how many complaints each rate rests on.

Model yearPer 1,000Complaints
20084.11653
20091.65246
201011.981681
20120.65104
20130.4368
20140.3552
20150.2835
20160.8492
20170.8782
20180.2924
20200.4118
20220.4421
20230.3513

Issues owners of the 2015 Prius report

Phrases over-represented in these complaints compared with the same component on every other vehicle. Counts are complaints containing the phrase.

Service Brakes 97 complaints

program2425%
booster pump1718%
support program1616%
accumulator1414%
zjb1111%

When it breaks

47% of reported failures happened before 30,000 miles (median 31,070 miles, from 74 complaints that recorded one).

No clear early or late pattern.

What NHTSA did

3 investigations covering this model year, 1 of which list a recall campaign.

Brake Actuator Valve Wear

Questions buyers ask about the 2015 Toyota Prius

Is 2015 a good year or a bad year for the Prius?

For every car sold, owners filed somewhat fewer complaints about the 2015 Prius than about the typical Prius year. Among the 9 Prius years with enough complaints to compare, owners filed the fewest about this one, the 2015 (0.28 per 1,000 sold) and the most about the 2010 (11.98). The typical year is the median across its model years.

What problems does the 2015 Prius have?

The parts owners named most often in complaints filed to date: Service Brakes (97), Electrical System (28), Unknown Or Other (15). The phrases they used are listed above.

Is the 2015 Prius reliable?

Complaint records cannot settle that on their own. They count safety problems owners chose to report to the federal government, not every repair. What they do show is how this year compares with the other Prius years: for every car sold, owners filed somewhat fewer complaints about the 2015 Prius than about the typical Prius year.

Which Prius year has the fewest complaints?

Among years with enough complaints to compare, the 2015, at 0.28 per 1,000 sold. Every Prius year, ranked.

What the used-car guides say

No guide we read covers the Prius.

Check this yourself

Example records behind this page, each on NHTSA’s own site:

Limits of this figure. It counts safety complaints filed with the federal government, which is a floor on failures and not a census: problems that only cost money are under-reported. Complaint rates also reflect how likely a brand’s owners are to file, which cannot be separated from how often the car fails. Sales are calendar-year and the denominator for this nameplate is taken year by year from published US sales figures, each one quoted from a named source.