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Pontiac Bonneville: problems, complaints, bulletins

Summary for the Pontiac Bonneville across 28 model years: 1,981 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.

Model years

YearOwner complaintsinvolving a crashTechnical service bulletins (TSB)YouTube repair videos
99992000
200527200
200428000
200354300
200289500
2001129600
2000214400
1999143500
1998277900
1997147300
1996150600
19952441200
1994881100
19931381300
19921131300
199122300
199039400
198928200
198817300
198719100
19863000
19851000
19841000
19821000
19811000
19792000
19783000
19771000

What fails most often

87654321
  1. 1 Engine and cooling 27% of all complaints
  2. 2 Electrical system 15% of all complaints
  3. 3 Service brakes 12% of all complaints
  4. 4 Steering 10% of all complaints
  5. 5 Powertrain 8% of all complaints
  6. 6 Fuel system 8% of all complaints
  7. 7 Air bags 7% of all complaints
  8. 8 Visibility 6% of all complaints
Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Engines and transmissions

US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.

Drive: FWD, RWD

Symptoms owners describe

How many of the 1,981 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

Components owners complain about

ComponentOwner complaintsinvolving a crashTechnical service bulletins (TSB)
Engine and cooling53240
Electrical system29920
Service brakes229250
Steering19870
Powertrain16150
Fuel system15230
Air bags143420
Visibility12800
Structure9120
Vehicle speed control5870
Exterior lighting5700
Seat belts4890
Suspension4310
Engine4220

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

What to check before buying

Other models of this make

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.