Common problems with the Chevrolet Equinox include heavy oil consumption in the 2010 model, air conditioning issues with the 2006 model and unreliable head gaskets on the 2005 model. The oil consumption issue is the No. 1 reported problem for the Chevrolet Equinox at CarComplaints.com, as of 2015.
The 2010 Equinox's oil consumption issue results in excessive oil changes for certain owners of the vehicle, and low-oil-related problems, such as stalling. The air conditioning problem on the 2006 Equinox causes hot air to blow out of the air conditioning unit for many of the vehicle's owners. The 2005 Equinox experiences issues with head gaskets blowing out at around 75,000 for certain vehicles.