Toyota Prius engine problems by year
473 NHTSA owner complaints name the engine across 18 Prius model years. The most reported year is 2010 with 140 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2022 Prius | 2 | 8% | — | |
| 2019 Prius | 5 | 17% | — | |
| 2018 Prius | 2 | 6% | — | |
| 2017 Prius | 12 | 13% | — | |
| 2016 Prius | 17 | 11% | — | |
| 2015 Prius | 8 | 5% | — | |
| 2014 Prius | 17 | 8% | — | |
| 2013 Prius | 37 | 9% | 76,000 mi | |
| 2012 Prius | 31 | 7% | 77,000 mi | |
| 2011 Prius | 46 | 9% | 116,740 mi | |
| 2010 Prius | 140 | 5% | 103,500 mi | |
| 2009 Prius | 19 | 4% | 80,500 mi | |
| 2008 Prius | 49 | 3% | 103,320 mi | |
| 2007 Prius | 37 | 2% | 116,000 mi | |
| 2006 Prius | 25 | 2% | 131,000 mi | |
| 2005 Prius | 15 | 1% | 120,000 mi | |
| 2004 Prius | 9 | 1% | — | |
| 2001 Prius | 2 | 1% | — |
Share is the fraction of that year’s complaints naming the engine. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.