Tuesday, September 22, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

2020 GMC Terrain loss of power reports

11 NHTSA complaints describe sudden power loss, reduced power or limp mode on the 2020 GMC Terrain — roughly 6% of all complaints for this model year.

11
Loss of power reports
6%
share of complaints
49,276 mi
median reported incident mileage (all complaints)

Other symptoms owners describe on the 2020 GMC Terrain

Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2020 GMC Terrain report before drawing conclusions.