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EnginePart report

2005 Buick Century Engine Problems

Complaints
1about this part
Share
5%of 19 total for the year
Median mileage
140,193miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine of the 2005 Buick Century, 5% of the 19 complaints for this model year. Where a mileage was given, the median is 140,193 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 contact owns a 2005 Buick Century. The contact stated while traveling 30 MPH, the vehicle decreased in acceleration. The vehicle veered to the right and was driven onto the emergency lane and placed in neutral gear. The vehicle was restarted and resumed normal operation. The failure recurred six times. The manufacturer was notified of the failure. The dealer stated that failure occurred because the vehicle needed a PSI fuel regulator, ses lamp light and EGR valve . The vehicle was repaired; however, the failure recurred. The current and failure mileage were 140,193. …”

NHTSA complaint #10604816, filed 2014-06, 140,193 miles

Related service bulletins

Engine: other model years

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

Other parts of the 2005 Buick Century

Exterior lighting
8 complaints
Electrical system
6 complaints
Brakes
3 complaints
Engine cooling
2 complaints
Equipment
2 complaints
Air bags
1 complaints
Forward collision avoidance
1 complaints
Fuel system
1 complaints
Interior lighting
1 complaints
Latches, locks and linkages
1 complaints
Other or unknown
1 complaints
Seat belts
1 complaints

← All problems reported for the 2005 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