GMC Terrain misfire / rough idle reports by year
12 NHTSA complaints describe misfiring cylinders or rough idling on GMC Terrain vehicles. The most reported year is 2012 with 6 reports.
| Year | Reports | Share of narratives | |
|---|---|---|---|
| 2012 Terrain | 6 | 2% | |
| 2010 Terrain | 6 | 2% |
Counts come from keyword analysis of complaint narratives — one complaint can describe several symptoms, and classification is approximate. Raw counts favor years that sold in larger numbers.