GMC Sierra engine and engine cooling problems by year
169 NHTSA owner complaints name the engine and engine cooling across 21 Sierra model years. The most reported year is 2002 with 22 reports.
| Year | Engine and Engine Cooling reports | Share | Median mileage | |
|---|---|---|---|---|
| 2015 Sierra | 1 | 2% | — | |
| 2012 Sierra | 1 | 3% | — | |
| 2011 Sierra | 1 | 2% | — | |
| 2010 Sierra | 1 | 3% | — | |
| 2009 Sierra | 1 | 3% | — | |
| 2007 Sierra | 2 | 3% | — | |
| 2006 Sierra | 1 | 2% | — | |
| 2005 Sierra | 9 | 8% | — | |
| 2004 Sierra | 4 | 2% | — | |
| 2003 Sierra | 9 | 4% | — | |
| 2002 Sierra | 22 | 9% | — | |
| 2001 Sierra | 22 | 8% | 46,000 mi | |
| 2000 Sierra | 21 | 5% | — | |
| 1999 Sierra | 17 | 3% | — | |
| 1998 Sierra | 11 | 6% | — | |
| 1997 Sierra | 15 | 6% | — | |
| 1996 Sierra | 11 | 4% | — | |
| 1995 Sierra | 6 | 2% | — | |
| 1994 Sierra | 6 | 3% | — | |
| 1993 Sierra | 7 | 10% | — | |
| 1992 Sierra | 1 | 3% | — |
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.