Toyota 4RUNNER engine problems by year
149 NHTSA owner complaints name the engine across 28 4RUNNER model years. The most reported year is 2005 with 20 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2025 4RUNNER | 2 | 4% | — | |
| 2023 4RUNNER | 2 | 7% | — | |
| 2022 4RUNNER | 1 | 3% | — | |
| 2019 4RUNNER | 6 | 9% | — | |
| 2018 4RUNNER | 5 | 9% | — | |
| 2017 4RUNNER | 2 | 6% | — | |
| 2016 4RUNNER | 6 | 8% | — | |
| 2015 4RUNNER | 8 | 9% | — | |
| 2014 4RUNNER | 6 | 8% | — | |
| 2013 4RUNNER | 3 | 8% | — | |
| 2012 4RUNNER | 5 | 5% | — | |
| 2011 4RUNNER | 6 | 4% | — | |
| 2010 4RUNNER | 3 | 2% | — | |
| 2009 4RUNNER | 2 | 9% | — | |
| 2008 4RUNNER | 7 | 7% | — | |
| 2007 4RUNNER | 3 | 2% | — | |
| 2006 4RUNNER | 7 | 2% | — | |
| 2005 4RUNNER | 20 | 5% | 120,500 mi | |
| 2004 4RUNNER | 18 | 3% | 136,500 mi | |
| 2003 4RUNNER | 9 | 2% | — | |
| 2002 4RUNNER | 5 | 3% | — | |
| 2001 4RUNNER | 5 | 3% | — | |
| 2000 4RUNNER | 4 | 1% | — | |
| 1999 4RUNNER | 3 | 1% | — | |
| 1996 4RUNNER | 1 | 1% | — | |
| 1995 4RUNNER | 8 | 17% | — | |
| 1992 4RUNNER | 1 | 2% | — | |
| 1990 4RUNNER | 1 | 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.