Problems · NHTSA complaints
2004 Buick Century problems
Owners filed 39 complaints about the 2004 Buick Century with NHTSA between Mar 2004 and Nov 2020. The most-cited component is exterior lighting (11).
Complaints
39
Filed with NHTSA
Crashes
4
Reported by owners
Fires
0
Reported by owners
Injuries
5
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Exterior lighting11
- Air bags6
- Electrical system5
- Engine4
- Vehicle speed control3
- Fuel/propulsion system3
- Suspension3
- Service brakes2
- Steering2
- Visibility2
- Fuel system, gasoline2
- Seats1
- Tires1
- Seat belts1
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
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
3
3
2
2
5
1
1
1
1
2
4
5
1
1
3
1
3
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 5 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 4 |
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
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.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Exterior lighting
11 reports
“THE MULTI FUNCTION SWITCH DOES NOT WORK PROPERLY. WHEN GOING AROUND CURVES AND CORNERS YOU CAN'T DIM THE HEADLIGHTS. BECAUSE THE STEERING WHEEL DOESN'T ALLOW THE LEVER TO GO FAR ENOUGH TO CATCH. NOW MY HEADLIGHTS WILL NOT TURN ON WHEN THE THEY ARE SUPPOSE TO. MY CRUISE CONTROL DOESN'T WORK. MY A/C STOPS COOLING WHEN THE SPEED REACHES 60 MPH BUT IF I MOVE THE M.F.S. (AKA TURN SIGNAL) IT GETS COOL AGAIN FOR A FEW MINUTES. THE OTHER NIGHT MY LIGHTS WENT OFF WHEN I WAS MEETING A CAR WITH ITS HEADLIGHTS ON BRIGHT. IT WAS A DARK STRETCH OF ROAD. I ALMOST RAN IN THE DITCH.”
Air bags
6 reports3 crashes
“TL* THE CONTACT OWNS A 2004 BUICK CENTURY. THE CONTACT STATED THAT WHILE HER SON WAS DRIVING AT APPROXIMATELY 35 MPH, THE AIR BAGS DEPLOYED INDEPENDENTLY WITHOUT WARNING. THE AIR BAG HIT THE CONTACT'S ARM AND FACE LEAVING MINOR MARKS AND BRUISES. THE DRIVER DID NOT SEEK MEDICAL ATTENTION FOR HIS INJURIES. THE CONTACT'S SON WAS ABLE TO PULL THE VEHICLE OFF TO THE SIDE OF THE ROAD AND THEN CALLED THE CONTACT. THE CONTACT ARRIVED AT THE SCENE AND DROVE THE VEHICLE HOME WITHOUT FURTHER INCIDENT. THE CONTACT STATED THAT THE WINDSHIELD AND DASHBOARD WERE DAMAGED. THE DEALER NOR THE MANUFACTURER HAD BEEN NOTIFIED OF THE FAILURE. THE VEHICLE HAD YET TO BE DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 156,000.”
Electrical system
5 reports
“WHEN I TURN ON THE HIGH BEAMS THE HEADLIGHTS WILL OCCASIONALLY TURN OFF COMPLETELY, INSTEAD. TO TURN BACK ON THE VEHICLE'S HEADLIGHTS I HAVE TO PULL THE HIGH BEAM LEVER BACK AND FORTH MULTIPLE TIMES. WHEN ATTEMPTING TO TURN BACK ON THE HEADLIGHTS I ENGAGE THE HAZARDS SO THAT OTHER VEHICLES CAN STILL SEE ME ON THE ROAD. *TR”
Engine
4 reports
“TL* 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*LJ UPDATED 9/18/2017*CN”
Vehicle speed control
3 reports
“WHEN DRIVING MY CAR OVER 5 MILES IT WILL CHOKE AND NOT LET ME ACCELERATE AND THE SPEEDOMETER GOES TO 0. CAN YOU TELL ME WHAT THE PROBLEM COULD BE?”
Fuel/propulsion system
3 reports
“YOU COULD SMELL GAS INSIDE AND OUTSIDE THE CAR. I TOOK IT TO MY GARAGE AND THEY WENT ALL OVER IT AND COULD NOT FIND ANY REASON FOR THE SMELL. IT DIDN'T MATTER IF THE GAS TANK WAS FULL OR HALF FULL. WHEN THE WEATHER WAS WARM IT WAS MUCH WORSE. I AM WONDERING IF THERE HAVE BEEN ANY OTHER COMPLAINTS ABOUT THIS PROBLEM. I AM AFRAID THE CAR WILL CATCH ON FILE. *TR”
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.