Reliability, what owners report, and what it costs to keep.
AVOIR's read: the numbers are mixed and the complaint record is worth reading before you commit.
Owners have filed 39 complaints with NHTSA about the 2004 Buick Century, and it carries 2 recalls. These are owner allegations rather than confirmed defects, but the pattern of what people complain about is the most useful signal a used buyer has.
| Area | Complaints | Share |
|---|---|---|
| Exterior lighting | 7 | 18% |
| Air bags | 6 | 15% |
| Engine | 3 | 8% |
| Service brakes | 2 | 5% |
| Unknown or other | 2 | 5% |
| Electrical system | 2 | 5% |
| Fuel system | 2 | 5% |
| Seats | 1 | 3% |
| Vehicle speed control | 1 | 3% |
| Electrical system | 1 | 3% |
Verbatim from NHTSA complaint records, trimmed for length.
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 LEAVIN
NHTSA complaint: Air bags
TL* THE CONTACT OWNS A 2004 BUICK CENTURY. THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT ILLUMINATED, WHILE DRIVING APPROXIMATELY 10 MPH. THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT REMAINED ILLUMINATED. THE VE
NHTSA complaint: Air bags
FRONT AND REAR BRAKE LINES FAILED LEAVING ME WITH NO BRAKES. I WAS DRIVING AT LOW SPEED. THE REAR BRAKE LINE WAS THE FIRST TO GO. THE FRONT BURST AND ABOUT 4 WEEKS LATER THE CAUSE WAS RUST AND CORROSION. BOTH TIMES THE
NHTSA complaint: Service brakes
BRAKE LINE FAILED ON REAR BRAKES. LOST ALL FLUID IN MOTION ON HIGHWAY RUST ON BRAKE LINES
NHTSA complaint: Service brakes
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?
NHTSA complaint: Vehicle speed control
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 NO
NHTSA complaint: Electrical system
HEADLIGHTS WENT OFF WHILE DRIVING ON INTERSTATE AT NIGHT. ( I MAY HAVE FLASHED MY HIGH BEAMS TO SIGNAL A TRUCK THAT IT WAS SAFE TO CHANGE LANES BEFORE THIS HAPPENED. INTERIOR LIGHTS STILL WORKING WHEN THIS HAPPENED. NO
NHTSA complaint: Exterior lighting
WHILE IN MOTION THE HIGH BEAM WILL GO OUT AND LOW BEAM WITH IT - NO LIGHTS AT ALL. YOU MUST PUSH OR PULL THE TURN SIGNAL LEVER TO TURN THE LIGHTS ON AGAIN.
NHTSA complaint: Exterior lighting
NHTSA lists 2 recall campaigns for the 2004 Buick Century. Recalls are free to have fixed at a franchised dealer regardless of who owns the car now, but only if they were never done, so check the VIN of the specific car rather than trusting the model.
DORMAN IS RECALLING 979 STEERING KNUCKLES, DORMAN P/NOS. 697-902 AND 697-903, SOLD UNDER DORMAN'S "OE SOLUTIONS<SUP>TM</SUP>" BRAND NAME, AND NAPA P/NOS. 7-8502 AND 7-8503 WHICH WERE SOLD FOR REPLACEMENT USE ON THE VARIOUS VEHICLES LISTED ABOVE. A POTENTIAL MATERIAL OR DESIGN DEFECT COULD RESULT IN
Risk: A BROKEN STEERING KNUCKLE COULD RESULT IN LOSS OF STEERING CONTROL AND A POSSIBLE CRASH WITHOUT WARNING.
Fix: DORMAN WILL NOTIFY OWNERS AND REPLACE THE DEFECTIVE STEERING KNUCKLES FREE OF CHARGE AND REIMBURSE THE REPAIR FACILITY OR OWNER FOR LABOR. THE RECALL BEGAN ON FEBRUARY 23, 2009. OWNERS MAY CONTACT D
CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNIVERSAL PRESSURE REGULATORS (UPR) WERE PRODUCED WITHOUT AN O'RING AND RETAINER.
Risk: FUEL MAY LEAK, POSSIBLY RESULTING IN A FIRE.
Fix: DELPHI WILL NOTIFY OWNERS AND REPLACE THE UPR FREE OF CHARGE. THE RECALL BEGAN ON APRIL 23, 2007. OWNERS CAN CONTACT DELPHI AT 877-411-8770.
| Reliability raw | 82 | excellent |
|---|---|---|
| Longevity est. | 79 | good |
| Maintenance | 78 | good |
| Depreciation | 54 | average |
| Performance | 54 | average |
| Efficiency | 40 | below average |
Percentile ranks against other midsize & large cars in the catalog.
What stands behind each score for this car:
Owners have filed 39 complaints with NHTSA for this model-year, and exterior lighting is the most reported area with 7 of them (18%). There are 2 recalls on record. Check any specific car against its VIN before buying.
AVOIR scores its reliability 82/100 (excellent) from NHTSA recall campaigns and complaint density. That figure is a raw complaint count, not yet adjusted for sales volume, so a high-volume model scores worse than it deserves.
AVOIR scores its longevity 79/100, but that figure is an estimate built from the powertrain and the brand's record, not a measurement. A 2004 car has no 200,000-mile population to observe yet, so treat it as a prior rather than evidence.
AVOIR's read: be careful, because the numbers are mixed and the complaint record is worth reading before you commit. Its overall ownership score is 69/100. Condition, mileage and service history still matter more than any score, so get a pre-purchase inspection on the specific car.
Sources: NHTSA recalls and complaints, EPA fuel economy, IIHS awards, and live market listings. A score describes a model-year, not the individual car in front of you. Get a pre-purchase inspection.