Hyundai Sonata engine and engine cooling problems by year
404 NHTSA owner complaints name the engine and engine cooling across 29 Sonata model years. The most reported year is 2011 with 45 reports.
| Year | Engine and Engine Cooling reports | Share | Median mileage | |
|---|---|---|---|---|
| 2023 Sonata | 2 | 2% | — | |
| 2021 Sonata | 1 | 1% | — | |
| 2019 Sonata | 7 | 4% | — | |
| 2018 Sonata | 14 | 4% | 99,000 mi | |
| 2017 Sonata | 18 | 2% | 92,526 mi | |
| 2016 Sonata | 16 | 2% | 74,000 mi | |
| 2015 Sonata | 21 | 2% | 97,000 mi | |
| 2014 Sonata | 21 | 3% | 113,558 mi | |
| 2013 Sonata | 40 | 2% | 96,000 mi | |
| 2012 Sonata | 11 | 1% | — | |
| 2011 Sonata | 45 | 1% | 6,400 mi | |
| 2009 Sonata | 6 | 1% | — | |
| 2008 Sonata | 2 | 0% | — | |
| 2007 Sonata | 8 | 1% | — | |
| 2006 Sonata | 30 | 3% | 43,596 mi | |
| 2005 Sonata | 5 | 3% | — | |
| 2004 Sonata | 5 | 2% | — | |
| 2003 Sonata | 14 | 7% | 19,765 mi | |
| 2002 Sonata | 16 | 5% | 55,000 mi | |
| 2001 Sonata | 23 | 11% | 71,000 mi | |
| 2000 Sonata | 31 | 11% | 72,950 mi | |
| 1999 Sonata | 23 | 19% | 89,000 mi | |
| 1998 Sonata | 4 | 8% | — | |
| 1997 Sonata | 7 | 14% | — | |
| 1996 Sonata | 6 | 26% | — | |
| 1995 Sonata | 9 | 14% | — | |
| 1993 Sonata | 9 | 35% | — | |
| 1992 Sonata | 4 | 18% | — | |
| 1991 Sonata | 6 | 21% | — |
Share is the fraction of that year’s complaints naming the engine and engine cooling. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.