GM Certified Comes with a 12-Month/12,000-Mile New Vehicle Limited Warranty Extension and a 2-Year/30,000 Mile Maintenance Plan. This is a bumper-to-bumper coverage above and beyond any remaining factory warranty. Also includes a transferable 100,000 Mile/5-Year Powertrain Limited Warranty with no deductible (from original in service date). · 12-Month/12,000- Mile GM Bumper to Bumper Warranty · 5-Year/100,000-Mile GM Powertrain Warranty (from original in service date) · 2-Years of Free Maintaince · 172-Point Inspection Process · 3-Day/150-Mile Satisfaction Guarantee · Carfax Vehicle History Report · 24 Hour Roadside Assistance Coverage These are just a few of the features of the GM Certified Used Program.