Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2026 Terrain.
The 2026 GMC Terrain arrives as the latest iteration of a model lineage that began in 2010, representing over fifteen years of continuous production in the compact SUV segment, and the vehicle currently shows 22 owner complaints filed alongside a single open recall. Analyzing its complaint history reveals a remarkable trajectory: annual complaints have fallen from a peak of 397 in 2011 to just 12 in 2025, the lowest point across the entire model run, indicating a substantial improvement in long-term reliability and owner satisfaction. The current 2026 model, with its modest complaint count and single recall, appears to be carrying forward the refined quality that characterized the 2025 model year, suggesting this generation represents the most trouble-free period in the Terrain's history.
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Owner complaints about the 2026 GMC Truck Terrain lead in one area — the unknown or other, 6 of 22 reports (27%), well ahead of the next concern. None of this vehicle's 1 recall campaigns target the unknown or other, so those reports read as owner-reported wear-and-tear rather than an acknowledged defect. 1 of the reports describe a crash and 2 a fire — a small share of the total, but worth weighing against the unknown or other pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.
All 22 complaints on record, top 8 components.
Source: NHTSA Office of Defects Investigation complaint database.
Showing 1 of 1 campaigns on record for this vehicle.
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Showing 5 of 150 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| PIT5966F | 2026-06-23 | Unknown Or Other | This Preliminary information communicates an issue with an OTA pending message still… |
| 662.20 | 2026-06-22 | Unknown Or Other | • Improvements to the performance of driver assistance features • Fixes to help ensure… |
| PIT6503B | 2026-06-17 | Unknown Or Other | This preliminary information is to inform technicians that GM is placing the B174W Front… |
| N25-252332 | 2026-06-16 | Unknown Or Other | • Fixes to help prevent loss of functionality for connectivity features such as OnStar… |
| PIP6121 | 2026-06-10 | Unknown Or Other | This PI communicates a possible speedometer and/or odometer error due to an error in the… |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
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Cross-vehicle references for the kinds of data on this page.
NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.