The 2006 Chevy Equinox received the most owner complaints, including excessive oil consumption and poor air conditioning performance. However, owner complaints show that the 2010 Chevy Equinox was the worst model year, due to the vehicle's poor oil consumption.
In average, 2006 Chevy Equinox owners reported that excessive oil consumption issues began to emerge at an average of 59,638 miles, with an average repair cost of $5,500. According to carcomplaints.com, air conditioning problems for this model year appeared at an average of 71,851 miles, with an average repair cost of $854. Owners of the 2005 Chevy Equinox also reported blown head gaskets at 75,381 miles, with an average repair cost of $2,349.