2000 Pontiac Bonneville engine problems
The 2000 Pontiac Bonneville has 43 engine complaints filed with NHTSA — 14% of the year's total, and down from the prior model year.
43
Engine complaints
14%
Share of year
1
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“ WE ARE TRYING TO FIND OUT IF ANYONE KNOWS OF PROBLEMS WITH GM PONTIAC BONNEVILLE'S PLASTIC UPPER EXHAUST MANIFOLD. WE OWN A 2000 BONNEVILLE WITH 83K MILEAGE. THE PLASTIC MANIFOLD EXPLODED WHILE TRYING TO START THE CAR. WE ARE TRYING TO RESOLVE THIS WITH GM AT THIS TIME. WE LEARNED THAT THIS HAS…”
Common questions
How many engine complaints does the 2000 Pontiac Bonneville have?
NHTSA has 43 complaints about the 2000 Pontiac Bonneville engine — 14% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.