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EnginePart report

2004 Buick Century Engine Problems

Complaints
4about this part
Share
10%of 39 total for the year
Median mileage
107,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine of the 2004 Buick Century, 10% of the 39 complaints for this model year. Where a mileage was given, the median is 107,500 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The gas gauge is not accurate even through it says no fuel it still has plenty in the tank. The car reverse up and goes on its own without using the gas pedal and when you put the brakes on it shutters. The windows don't work very well anymore.”

NHTSA complaint #10524693, filed 2013-07, 95,000 miles

“The contact owns a 2004 Buick Century. The contact stated that while an independent mechanic was test driving the vehicle at 25 MPH, the vehicle stalled. The technician was able to restart the vehicle. However, the failure recurred. The technician was unable to diagnose or repair the vehicle. The manufacturer was not notified of the failure. The failure mileage was 26,900. The VIN was unavailable. Updated 04/21/2016 updated 9/18/2017”

NHTSA complaint #10672434, filed 2015-01, 26,900 miles

“The contact owns a 2004 Buick Century. The contact stated that while driving approximately 35 MPH, the engine stalled with the illumination of the engine warning indicator. The engine restarted and the driver was able to continue traveling. The failure recurred numerous times and became progressively worse. The vehicle was taken to an independent mechanic for diagnosis, who was unable to locate the problem. The manufacturer was not notified of the defect. The approximate failure mileage was 130,000.”

NHTSA complaint #10536063, filed 2013-08, 130,000 miles

“The contact owns a 2004 Buick Century. The contact stated that the vehicle suddenly stalled. The contact was able to restart the engine and the vehicle operated normally. The vehicle was diagnosed by an independent mechanic but the defect could not be duplicated and no repairs was performed. The failure recurred approximately two years later. The manufacturer was not notified of the defect. The failure mileage was approximately 120,000. Updated 05/28/14 the consumer stated the keys were too heavy in the ignition. Since removing the added weight, there hasn't been any other failure occurrence. …”

NHTSA complaint #10566523, filed 2014-02, 120,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
200515%
2004410%
200322%
200285%
200143%
200063%
199963%
199711%
199113%

Other parts of the 2004 Buick Century

Exterior lighting
11 complaintsAir bags
6 complaintsFuel system
6 complaintsElectrical system
5 complaintsSuspension
3 complaintsVehicle speed control
3 complaintsBrakes
2 complaintsOther or unknown
2 complaintsSteering
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsEquipment
1 complaintsLatches, locks and linkages
1 complaints

← All problems reported for the 2004 Buick Century

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology