1999 Pontiac Bonneville Problems

Above Average Complaints

Real NHTSA owner complaints for the 1999 Pontiac Bonneville.

19982000
Complaints
176
Crashes
9
Fires
9
Injuries
6
Fatalities
—
Recalls
0

Worst 1999 Pontiac Bonneville Problems

Top 3 most-reported issues with average mileage at failure.

#118 complaints

Engine And Engine Cooling:Engine:Gasoline

Avg mileage:74,000 mi
Fires:1
#213 complaints

Engine And Engine Cooling:Engine

Avg mileage:59,758 mi
Crash-related:1
Fires:1
#312 complaints

Engine & Cooling

Avg mileage:68,239 mi
Fires:2
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All Problems by Category

Every NHTSA complaint category for the 1999 Pontiac Bonneville.

Engine And Engine Cooling:Engine:Gasoline
18
complaints
Crashes
—
Fires
1
Avg Miles
74,000
Engine And Engine Cooling:Engine
13
complaints
Crashes
1
Fires
1
Avg Miles
59,758
Engine & Cooling
12
complaints
Crashes
—
Fires
2
Avg Miles
68,239
Engine And Engine Cooling:Exhaust System:Manifold/Header/Muffler/Tail Pipe
7
complaints
Crashes
—
Fires
1
Avg Miles
64,116
Electrical System:Ignition
6
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Cooling System
6
complaints
Crashes
—
Fires
—
Avg Miles
59,525
Gasoline Fuel System
6
complaints
Crashes
—
Fires
1
Avg Miles
81,900
Automatic Transmission
6
complaints
Crashes
1
Fires
—
Avg Miles
50,679
Fuel System, Gasoline:Delivery
5
complaints
Crashes
—
Fires
—
Avg Miles
86,283
Airbags
4
complaints
Crashes
—
Fires
—
Avg Miles
—
Air Bags:Frontal
4
complaints
Crashes
1
Fires
1
Avg Miles
—
Electrical System:Alternator/Generator/Regulator
4
complaints
Crashes
1
Fires
—
Avg Miles
—
Fuel System, Gasoline:Fuel Injection System
4
complaints
Crashes
—
Fires
1
Avg Miles
—
Unintended Acceleration
4
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical Faults
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:Horn
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
3
complaints
Crashes
1
Fires
—
Avg Miles
—
Tires:Tread/Belt
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Visibility:Windshield Wiper/Washer
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Wheels:Lugs/Nuts/Bolts/Studs
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:12v/24v/48v Battery
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Electrical System:Ignition:Module
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Equipment:Electrical:Radio/Tape Deck/Cd Etc.
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System, Gasoline:Carburetor System
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Seat Belt Issues
2
complaints
Crashes
1
Fires
—
Avg Miles
—
Service Brakes, Hydraulic:Foundation Components
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And Fittings
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering: Steering Wheel/Handle Bar
2
complaints
Crashes
—
Fires
—
Avg Miles
—

Search Owner Complaints

Read what owners actually reported to NHTSA for the 1999 Pontiac Bonneville. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Other Pontiac Bonneville Years

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1999 Pontiac Bonneville — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 1999 Pontiac Bonneville reliable?
Verdict: Above Average Complaints. The 1999 Pontiac Bonneville has 176 NHTSA complaints, 9 crash-related, and 0 recall campaigns. The most common issue is Engine And Engine Cooling:Engine:Gasoline with 18 complaints. Source: NHTSA via VinItel.
What are common problems with the 1999 Pontiac Bonneville?
Top reported problems: Engine And Engine Cooling:Engine:Gasoline (18 complaints, avg 74,000 mi); Engine And Engine Cooling:Engine (13 complaints, avg 59,758 mi); Engine & Cooling (12 complaints, avg 68,239 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 1999 Pontiac Bonneville?
The weighted average mileage at time of complaint is about 67,953 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 1999 Pontiac Bonneville?
NHTSA complaints for the 1999 Pontiac Bonneville include 9 crash-related reports, 9 fire reports, 6 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 1999 Pontiac Bonneville have any recalls?
No NHTSA recall campaigns have been issued for the 1999 Pontiac Bonneville as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 1999 Pontiac Bonneville?
Slightly worse than average. Most owners are fine; problem clusters are concentrated around specific components. Check the issues table below and match against the specific car's mileage.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Pontiac Bonneville reliability report with year-by-year comparison and generation analysis.

Check Your Specific 1999 Pontiac Bonneville

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