Toyota Corolla engine problems by year
602 NHTSA owner complaints name the engine across 29 Corolla model years. The most reported year is 2020 with 107 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2025 Corolla | 2 | 7% | — | |
| 2024 Corolla | 6 | 10% | — | |
| 2023 Corolla | 13 | 18% | — | |
| 2022 Corolla | 13 | 14% | — | |
| 2021 Corolla | 40 | 22% | — | |
| 2020 Corolla | 107 | 36% | — | |
| 2019 Corolla | 39 | 20% | — | |
| 2018 Corolla | 15 | 11% | 18,945 mi | |
| 2017 Corolla | 10 | 6% | — | |
| 2016 Corolla | 13 | 6% | — | |
| 2015 Corolla | 17 | 8% | 11,606 mi | |
| 2014 Corolla | 18 | 7% | 27,500 mi | |
| 2013 Corolla | 16 | 8% | 20,650 mi | |
| 2012 Corolla | 4 | 1% | — | |
| 2011 Corolla | 19 | 3% | 22,675 mi | |
| 2010 Corolla | 33 | 3% | 66,046 mi | |
| 2009 Corolla | 91 | 6% | 77,899 mi | |
| 2008 Corolla | 21 | 7% | 70,000 mi | |
| 2007 Corolla | 33 | 4% | 77,000 mi | |
| 2006 Corolla | 24 | 3% | 95,667 mi | |
| 2005 Corolla | 29 | 3% | 106,599 mi | |
| 2004 Corolla | 9 | 2% | — | |
| 2003 Corolla | 16 | 2% | 159,000 mi | |
| 2002 Corolla | 5 | 4% | — | |
| 2001 Corolla | 2 | 2% | — | |
| 2000 Corolla | 3 | 2% | — | |
| 1999 Corolla | 1 | 1% | — | |
| 1998 Corolla | 2 | 1% | — | |
| 1988 Corolla | 1 | 4% | — |
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.