2004 Pontiac Bonneville
The 2004 Pontiac Bonneville has 38 complaints on file with NHTSA. The largest share (29%) concerns electrical system. After that come steering (21%) and brakes (8%).
At a glance
- Complaints
- 38 filed with NHTSA
- Most reported
- Electrical system 29% of complaints
- Fuel economy
- 18 to 21 MPG combined
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Problems owners report
The 2004 Pontiac Bonneville has 38 complaints on file with NHTSA. The largest share (29%) concerns electrical system. After that come steering (21%) and brakes (8%).
Mileage, severity and owner comments for the 2004 Pontiac Bonneville
Fuel economy
The EPA lists 3 versions of the 2004 Pontiac Bonneville. Combined fuel economy ranges from 18 to 21 MPG; the most efficient version is rated 18 city / 27 highway.