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 157 complaints with NHTSA about the 2003 Chevrolet Monte Carlo, and it carries 9 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 |
|---|---|---|
| Electrical system | 32 | 20% |
| Engine | 23 | 15% |
| Engine and engine cooling | 20 | 13% |
| Service brakes | 15 | 10% |
| Power train | 8 | 5% |
| Air bags | 6 | 4% |
| Exterior lighting | 4 | 3% |
| Unknown or other | 3 | 2% |
| Suspension | 3 | 2% |
| Visibility | 3 | 2% |
Verbatim from NHTSA complaint records, trimmed for length.
The service manager told me the Engine cover will be removed and NOT replaced. This downgrades the vehicle as the engine cover is part of the appearance element and gives a certain amount of protection to some components
NHTSA complaint: Engine
Vehicle stalls when starting. While driving vehicle may shut off when moving on highway if you are not pushing on gas pedal. May be due to faulty EGR or emissions component
NHTSA complaint: Electrical system
OWNED SINCE 2007, NO RECALLS ACTIVE, OLDER RECALL REPLACED INTERMEDIATE STEERING SHAFT, HAVE SAME PROBLEM AGAIN! ALSO ABS/TRACTION CONTROL/SPEED SENSORS ISSUE: HUMMING,GRINDING,TRAC OFF LIGHTS,ABS LIGHTS. COMMON ISSUE WI
NHTSA complaint: Steering
TAKATA RECALL. WELL I NOTICED IT DROPPING OIL ONTO THE ENGINE & INTAKE 12/5/2018 AND NOW IT SEEMS LIKE IT'S BEEN GETTING WORSE CUZ IT'S GETS SO HOT IT STARTS SMOKING FROM THE OIL ON THE ENGINE INTAKE I'M STILL DRIVING TH
NHTSA complaint: Engine
MY CAR IS A 2003 MONTE CARLO, IF I TRY TO USE THE DIRECTIONAL SIGNALS THEY MAKE A BUZZING SOUND AND THEN THE BRAKE LIGHT AND THE AIR BAG LIGHT COMES ON ALONG WITH THE BATTERY LIGHT, NO SIGNAL WORKS, THE HAZARD LIGHTS
NHTSA complaint: Electrical system
PROBLEMS WITH THE SUSPENSION, IGNITION SWITCH, TURN SIGNALS NOT WORKING, SECURITY SYSTEM NOT RESETTING. HAD TO REPLACE THE ECM.
NHTSA complaint: Suspension
TL* THE CONTACT OWNS A 2003 CHEVROLET MONTE CARLO. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 14V400000 (ELECTRICAL SYSTEM). WHILE DRIVING AT UNKNOWN SPEEDS, THE KEY FAILED TO STAY IN THE IGNITION. T
NHTSA complaint: Electrical system
THE WHOLE FRONT END OF THE CAR IS MAKING A NOISE AND IT IS WOBBLING ALL OVER. I REPLACED THE STRUTS AND IT DID NOT HELP IT HAS BEEN WELL MAINTAINED SOMETHING IS JUST NOT SAFE UP THERE IN THE FRONT SUSPENSION.I THINK THE
NHTSA complaint: Suspension
NHTSA lists 9 recall campaigns for the 2003 Chevrolet Monte Carlo. 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.
This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) notified the agen
Risk: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.
Fix: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 9, 2014.
General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118,
Risk: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
Fix: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engines front valve cover and gasket. V
GENERAL MOTORS IS RECALLING 1,497,516 MY 1997-2003 BUICK REGAL, MY 1998-2003 CHEVROLET LUMINA, MONTE CARLO AND IMPALA, MY 1998-1999 OLDSMOBILE INTRIGUE, MY 1997-2003 PONTIAC GRAND PRIX VEHICLES EQUIPPED WITH A 3.8L V6 NATURALLY ASPIRATED ENGINE. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH DROP
Risk: IF THE MANIFOLD IS HOT ENOUGH AND THE OIL RUNS BELOW THE HEAT SHIELD, IT MAY IGNITE INTO A SMALL FLAME AND MAY SPREAD TO THE PLASTIC SPARK PLUG WIRE CHANNEL AND BEYOND INCREASING THE RISK OF AN ENGINE
Fix: DEALERS WILL REPLACE THE ENGINES FRONT VALVE COVER AND FRONT-VALVE-COVER GASKET WITH NEW PARTS OF AN IMPROVED DESIGN AND REMOVE THE ENGINES PLASTIC COVER AND PLASTIC OIL-FILL-TUBE EXTENSION, FREE OF
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
| Reliability raw | 73 | good |
|---|---|---|
| Longevity est. | 75 | good |
| Maintenance | 76 | good |
| Depreciation | 57 | average |
| Performance | 56 | average |
| Efficiency | 41 | below average |
Percentile ranks against other midsize & large cars in the catalog.
What stands behind each score for this car:
Owners have filed 157 complaints with NHTSA for this model-year, and electrical system is the most reported area with 32 of them (20%). There are 9 recalls on record. Check any specific car against its VIN before buying.
AVOIR scores its reliability 73/100 (good) 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 75/100, but that figure is an estimate built from the powertrain and the brand's record, not a measurement. A 2003 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 67/100. 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.