GMC Sierra 2500 HD Classic Repair & Maintenance Costs

The GMC Reliability Rating is 3.0 out of 5.0, which ranks it 22nd out of 32 for all car brands. This rating is based on an average across 345 unique models. The average annual repair cost for a GMC is $744, which means it has average ownership costs. The other factors that contribute to GMC reliability include an average of 0.3 visits to a repair shop per year and a 17% probability of a repair being severe.