Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

2021 GMC Yukon misfire / rough idle reports

11 NHTSA complaints describe misfiring cylinders or rough idling on the 2021 GMC Yukon — roughly 4% of all complaints for this model year.

11
Misfire / rough idle reports
4%
share of complaints
63,500 mi
median reported incident mileage (all complaints)

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 2021 GMC Yukon report before drawing conclusions.