2007 GMC Sierra Classic
The 2007 GMC Sierra Classic has 27 complaints on file with NHTSA. The largest share (48%) concerns brakes. After that come fuel system (15%) and drivetrain & axles (11%).
At a glance
- Complaints
- 27 filed with NHTSA
- Most reported
- Brakes 48% of complaints
- Fuel economy
- 14 to 17 MPG combined
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Problems owners report
The 2007 GMC Sierra Classic has 27 complaints on file with NHTSA. The largest share (48%) concerns brakes. After that come fuel system (15%) and drivetrain & axles (11%).
Mileage, severity and owner comments for the 2007 GMC Sierra Classic
Fuel economy
The EPA lists 15 versions of the 2007 GMC Sierra Classic. Combined fuel economy ranges from 14 to 17 MPG; the most efficient version is rated 16 city / 19 highway.