Problems · NHTSA complaints

2005 Buick Century problems

Owners filed 19 complaints about the 2005 Buick Century with NHTSA between Jun 2005 and Apr 2025. The most-cited component is exterior lighting (8).

Complaints
19
Filed with NHTSA
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Exterior lighting8
  2. Electrical system6
  3. Engine and engine cooling2
  4. Forward collision avoidance1
  5. Service brakes1
  6. Equipment adaptive/mobility1
  7. Engine1
  8. Fuel system, gasoline1
  9. Service brakes, hydraulic1
  10. Power train1
  11. Seat belts1
  12. Tires1
  13. Air bags1
  14. Parking brake1

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 30, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20051
20061
20072
20082
20090
20102
20112
20120
20131
20142
20153
20162
20170
20180
20190
20200
20210
20220
20230
20240
20251

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Exterior lighting

8 reports
“TL* THE CONTACT OWNS A 2005 BUICK CENTURY. WHILE DRIVING APPROXIMATELY 60 MPH, THE LOW BEAMS STOPPED WORKING AND HINDERED THE CONTACT'S VISIBILITY WHILE THE VEHICLE WAS IN MOTION. THE CONTACT HAD TO HOLD THE SWITCH TO GET THE HIGH BEAMS TO REMAIN ILLUMINATED DUE TO THE FAILURE. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE MULTI-FUNCTION SWITCH ON THE COLUMN FOR THE LIGHTS NEEDED TO BE REPLACED, INCLUDING PREMATURELY DETERIORATED GROUND WIRES. THE DEALER STATED THAT THE PARTS WERE TO BE ORDERED, BUT WERE NOT YET AVAILABLE FOR THEM TO PROVIDE A SPECIFIC DATE OF WHEN THE PART WOULD BE AVAILABLE TO COMPLETE THE REPAIR. THE CONTACT LEFT THE VEHICLE AT THE DEALER UNTIL THE PART WAS AVAILABLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 118,000.”
Owner complaint to NHTSAFiled Jan 15, 2016Electrical system, Exterior lightingODI 10820455

Electrical system

6 reports
“WE HAVE HAD OUR 2005 BUICK LACROSSE FOR ABOUT SIX MONTHS NOW AND WANT TO REPORT THIS LIGHTING SAFETY CONCERN. THIS HEADLIGHT INCIDENT WITH OUR BUICK HAS ACTUALLY HAPPENED TO US, THREE TIMES SINCE MID APRIL. THE FIRST TIME IT HAPPENED, WE WERE DRIVING ONE EVENING, SUDDENLY OUR LOW BEAM HEADLIGHTS WENT OFF. THIS WAS VERY FRIGHTENING AS IT WAS A DARK STRETCH OF ROAD, WITH TRAFFIC. I SLOWED AND FOUND A REASONABLE SAFE SPOT TO PULL OVER. I TRIED TURNING THE HEADLIGHT SWITCH IN SEVERAL POSITIONS WITH NO SUCCESS. WE NORMALLY KEEP THE HEADLAMP SWITCH IN THE AUTO POSITION. OUR LOW BEAM HEADLIGHTS STILL WERE NOT COMING ON. I THEN FOUND I COUND TURN MY HIGH BEAMS ON, SO I DID TO ILLUMINATE THE ROAD AND BE ABLE TO DRIVE HOME. DRIVING WITH ONLY HIGH BEAMS IS BOTH DANGEROUS AND ILLEGAL. IT CAN BE BLINDING TO ON COMING TRAFFIC AND I COULD HAVE BEEN CITED IF I HAD BEEN PULLED OVER BY THE POLICE. FROM WHERE MY LOW BEAMS WENT OUT, TO HOME WAS ABOUT 4.5 MILES. RIGHT BEFORE PULLING IN AT HOME MY LOW BEAMS CAME BACK ON. I TURNED OFF THE HIGH BEAMS AND STILL HAD THE LOW BEAMS. QUITE UNUSUAL. THEN WITHIN A 2 TO 3 WEEK STRETCH, MY LOW BEAM HEADLIGHTS WENT OUT TWICE AGAIN. RIGHT AWAY,…”
Owner complaint to NHTSAFiled May 19, 2015Electrical system, Exterior lightingODI 10717414

Engine and engine cooling

2 reports
“TL* 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. UPDATED 8/19/14*CN THE CONSUMER STATED THE VEHICLE WAS TRADED IN. UPDATED 08/27/2014 *JS”
Owner complaint to NHTSAFiled Jun 20, 2014Engine and engine cooling, EngineODI 10604816

Forward collision avoidance

1 report
“No abs light on but they don't work. But also there is hot wire running at all times I don't know where it coming from my o2 sensor keep coming on”
Owner complaint to NHTSAFiled Apr 4, 2025Electrical system, Forward collision avoidanceODI 11652849

Service brakes

1 report
“TOTAL BRAKE FAILURE, DUE TO BRAKE LINE CORROSION. FORTUNATELY HAPPENED FIRST THING IN THE MORNING WHILE ONLY ABOUT 1000 FEET FROM HOME AND WHILE DRIVING AT LOW SPEED WAS ABLE TO SAFELY STOP.”
Owner complaint to NHTSAFiled Jun 16, 2016Service brakesODI 10874731

Equipment adaptive/mobility

1 report
“2005 BUICK CENTURY CUSTOM. PURCHASED USED IN EXCELLENT CONDITION FROM FORD DEALERSHIP IN 2011. ELECTRIC WINDOWS WORKED FINE, THEN IN 2012, 1 OF THE WINDOWS JUST FELL DOWN THE TRACK. A CPL MONTHS LATER ANOTHER DID THE SAME THING AND THEN A CPL MORE MONTHS A THIRD ONE FELL. I REMOVED THE DOOR PANELS AS THESE INCIDENTS HAPPENED AND COULD FEEL A CABLE LAYING LOOSE DOWN IN THE BOTTOM OF THE DOORWELL. I'M NOT SURE IF A "POSSIBLE PULLEY" OR THE CABLES THEIRSELVES BROKE, BUT THIS IS AN OBVIOUS ISSUE WITH THIS MAKE, MODEL & YEAR FROM WHAT I READ ON CARPARTS.COM. I NOW HAVE PIECES OF 1"X2"'S WEDGED IN TO HOLD THEM UP BECAUSE OF LACK OF FUNDS. IF THIS IS ACTUALLY A COMMON ISSUE, AS I READ, THEN THIS SHOULD BE CONSIDERED TO MAKE IT AS A RECALL. THANK YOU **NOTE - I ONLY DRIVE THIS CAR BETWEEN 50-65 MI. A WEEK ON PAVED ROADS AND NO ROUGH DRIVING AND THE CAR HAS NEVER BEEN IN ANY ACCIDENTS EVER. A VERY WELL TAKEN CARE OF VEHICLE. *TR”
Owner complaint to NHTSAFiled Sep 14, 2014Equipment adaptive/mobilityODI 10632989
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.