GMC Sierra power train problems by year
311 NHTSA owner complaints name the power train across 24 Sierra model years. The most reported year is 1999 with 37 reports.
| Year | Power Train reports | Share | Median mileage | |
|---|---|---|---|---|
| 2017 Sierra | 23 | 38% | 20,000 mi | |
| 2015 Sierra | 6 | 11% | — | |
| 2014 Sierra | 10 | 10% | — | |
| 2013 Sierra | 5 | 13% | — | |
| 2012 Sierra | 2 | 7% | — | |
| 2011 Sierra | 6 | 14% | — | |
| 2010 Sierra | 1 | 3% | — | |
| 2008 Sierra | 2 | 3% | — | |
| 2007 Sierra | 4 | 7% | — | |
| 2006 Sierra | 2 | 4% | — | |
| 2005 Sierra | 11 | 9% | — | |
| 2004 Sierra | 18 | 10% | 10,000 mi | |
| 2003 Sierra | 29 | 14% | 4,850 mi | |
| 2002 Sierra | 18 | 7% | — | |
| 2001 Sierra | 14 | 5% | — | |
| 2000 Sierra | 26 | 6% | — | |
| 1999 Sierra | 37 | 6% | — | |
| 1998 Sierra | 15 | 8% | — | |
| 1997 Sierra | 28 | 12% | — | |
| 1996 Sierra | 24 | 10% | — | |
| 1995 Sierra | 12 | 5% | — | |
| 1994 Sierra | 6 | 3% | — | |
| 1993 Sierra | 10 | 14% | — | |
| 1992 Sierra | 2 | 7% | — |
Share is the fraction of that year’s complaints naming the power train. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.