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Data source: National Highway Traffic Safety Administration

  1. Home
  2. >GMC
  3. >Terrain
  4. >2026
  5. >Powertrain

2026 GMC Terrain Powertrain Problems

Powertrain complaints and recalls from NHTSA

Summary

The 2026 GMC Terrain has 3 NHTSA powertrain complaints and 0 powertrain-related recalls.

Problem Areas for the 2026 GMC Terrain

Other
7Powertrain
3

3

Complaints

0

Recalls

0

Injuries Reported

Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated May 24, 2026

All Powertrain Complaints

Date ↓ComponentSummary
Mar 15, 2026POWER TRAINThe contact owns a 2026 GMC Terrain. The contact stated that while attempting to depress the acceler...
Jan 19, 2026POWER TRAINThe contact owns a 2026 GMC Terrain. While driving at 28 MPH, the RPM became elevated to over 3,000 ...
Dec 1, 2025POWER TRAINThe car has always had an issue where it would just get stuck in a low gear and RPMs would go high. ...

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2026 GMC Terrain Full Report→All GMC Models→