My gas gage and tempature gage don't work
The worst 2005 Pontiac Bonneville problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Airbags12
- Electrical8
- Engine5
- Steering5
- Transmission2
- Driver assistance1
- Suspension1
- Tires1
Specific symptoms reported on the 2005 Pontiac Bonneville
Recalls
No recalls on record for this model year.
Technical service bulletins for the 2005 Pontiac Bonneville 495
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- Unknown or other
- This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
- Unknown or other
- Unknown or other
- Electrical system
- Unknown or other
- This service bulletin provides information for dealers/technicians on When and How to Submit a Field...
- Unknown or other
- Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles
2005 Pontiac Bonneville fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 3.8L 6‑cyl | FWD | 18 | 27 | 21 |
| 4.6L 8‑cyl | FWD | 15 | 22 | 18 |
What 2005 Pontiac Bonneville owners say
Most recent owner complaints, unedited.
"takata recall" unusual engine noise car won't brake fumes coming inside the car. Car shaking and vibrating low oil pressure even when I got a oil change. After oil change car wouldn't go no more than 16 miles per hour. Car will not crank if it's 47 degrees or lower temperature. In motion in city street and highway
Airbag light came on while driving; repair shop says sensor needs to be replaced
The airbag light came on. I was told the airbag will now only work if the steering wheel is straight. If it is turned and I get hit, the airbag will not deploy.
All the lights on my panel malfunctioning my fuel gauge is malfunctioning the airbag light stays on check engine light check tire pressure check oil all the lights stay on and I can't reset the panel I'm also having an issue with the car stopping when I put my foot on the brake it turns off
Air bag light is on and will not go out. Instrument panel malfunctioning speedometer , temperature and voltage all not working. Headliner falling.
Tl* the contact owns a 2005 pontiac bonneville. The contact stated that oil was leaking unto the exhaust manifold causing white smoke to emit out of the engine compartment. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was 166,000.
Fuel gauge quit working
Air bag sensor light is on.
Started up my car and the air bag light went on and won't go off. Also having problems with electrical lights in the dash. Part of the lights for the speedometer/air-conditioner buttons are only 1/2 working and part of the lights on the radio don't light up either. After reading several of these it sounds like this is a big issue with this model of car.
Compare the 2005 Pontiac Bonneville
Other model years
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Questions about the 2005 Pontiac Bonneville
Is the 2005 Pontiac Bonneville reliable?
Owners have filed 27 complaints about the 2005 Pontiac Bonneville, fewer than a typical Bonneville model year.
What is the 2005 Pontiac Bonneville year score?
The 2005 Pontiac Bonneville scores 85 out of 100 (good). The score compares it with the other model years of the Pontiac Bonneville: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.
What is the most common problem with the 2005 Pontiac Bonneville?
Airbags, with 12 complaints, typically around 136,000 miles. Next is electrical (8).
How many recalls does the 2005 Pontiac Bonneville have?
No recalls on record.
What year does the Pontiac Bonneville have bad airbags?
The Pontiac Bonneville model years with the most airbags complaints are 1995 (35 complaints), 1996 (27 complaints) and 1994 (12 complaints).
What gas mileage does the 2005 Pontiac Bonneville get?
Official estimates for the 2005 Pontiac Bonneville range from 18 to 21 mpg combined. The most efficient version (3.8L 6-cyl, FWD) gets 18 city and 27 highway.
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