KIA RIO · model year

2004 KIA RIO

53 NHTSA complaints, 5 crash reports, and 2 active recalls for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2004KIARIO carries 53 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 5 crashes, 2 fires, 3 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2004 RIO is engine and engine cooling with 7 filings, followed by electrical system (5) and engine and engine cooling:engine (3). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 2 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.

NHTSA currently has 38 investigation files overlapping the 2004 RIO, and 1 remain open. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

53
Complaints
5
Crashes
2
Fires
3
Injuries
0
Deaths

Total Complaints

53 filings

Crashes Reported

5 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ENGINE AND ENGINE COOLING7
ELECTRICAL SYSTEM5
ENGINE AND ENGINE COOLING:ENGINE3
UNKNOWN OR OTHER3
AIR BAGS2
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS2
VEHICLE SPEED CONTROL2
SUSPENSION2
SERVICE BRAKES, HYDRAULIC2
WHEELS2
POWER TRAIN:AUTOMATIC TRANSMISSION2
FUEL SYSTEM, GASOLINE2
LATCHES/LOCKS/LINKAGES2
SEAT BELTS:FRONT1
FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS1

Recalls (2)

05V55700012/12/2005

CHILD SEAT

CERTAIN PASSENGER VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, 'CHILD RESTRAINT ANCHORAGE SYSTEMS.' CERTAIN CHILD RESTRAINT ANCHORS WILL NOT FULLY LATCH ONTO THE LOWER LATCH ANCHORS LOCATED BETWEEN THE REAR SEAT BACK AND REAR SEAT CUSHION BECAUSE OF

04V17900009/04/2004

FUEL SYSTEM, GASOLINE:DELIVERY

ON CERTAIN PASSENGER VEHICLES, THE FUEL INTAKE NIPPLE OF THE FUEL DISTRIBUTOR IS SUBJECT TO FRACTURE OR CRACKING DURING REMOVAL OF THE QUICK CONNECT COUPLING SECURING THE MAIN FUEL TUBE ASSEMBLY TO THE FUEL INTAKE NIPPLE, OR WHEN FORCE IS ACCIDENTALLY APPLIED TO THE INTAKE NIPPLE DURING THE VEHICLE

Recent Complaints

20240302ELECTRICAL SYSTEM

I bought this car used a little less than a week ago. There was a thumping noise under the hood so I took the car to the dealer twice for this issue. I looked under the hood tonight and found a bunch of pieces that are not bolted down and the battery is completely unsecured and can move around freely. It’s horribly unsafe because the battery being loose can affect the entire car and the parts that aren’t bolted in place are causing major issues with the AC and other systems.

20240302UNKNOWN OR OTHER

I bought this car used a little less than a week ago. There was a thumping noise under the hood so I took the car to the dealer twice for this issue. I looked under the hood tonight and found a bunch of pieces that are not bolted down and the battery is completely unsecured and can move around freely. It’s horribly unsafe because the battery being loose can affect the entire car and the parts that aren’t bolted in place are causing major issues with the AC and other systems.

20190420UNKNOWN OR OTHER

MY WIFE GOT LOCKED IN HER CAR IN THE GARAGE AT HOME. THERE IS A SPRING ON THE DOOR LATCH THAT HOLDS UP A LEVER, THAT BROKE, CAUSING THE LEVER TO DROP AND JAM THE LOCK LEVER. WHEN SHE TRIED TO UNLOCK HER DOOR IT WOULD NOT RELEASE AND THE AUTO LOCK FUNCTION KEPT THE OTHER DOORS LOCKED TOO. WE WERE ABLE TO USE MY KEY TO QUICKLY UNLOCK AND OPEN THE PASSENGER SIDE DOOR AND GET OUT BY CRAWLING OVER THE CENTER CONSOLE. A SIMPLE GOOGLE SEARCH FOUND A FEW THOUSAND ENTRIES SHOWING THIS SAME ISSUE WITH OTHER KIA RIOS AND OPTIMAS WHERE PEOPLE ARE GETTING STUCK IN THEIR CARS.

Mileage: 136,000

20190228UNKNOWN OR OTHER

TAKATA RECALL 2004 KIA RIO LOCKS IN CAR BROKEN UNABLE TO UNLOCK AND GET OUT THE CAR I DON'T KNOW IF THERE IS SOMETHING WRONG WITH THE LOCKING SYSTEM AND IT HAS BECOME A MAJOR PROBLEM

20160822SUSPENSION:FRONT:WHEEL BEARING

TL* THE CONTACT OWNS A 2004 KIA RIO. WHILE DRIVING VARIOUS SPEEDS, THERE WAS AN ABNORMAL NOISE UNDERNEATH THE VEHICLE. THE VEHICLE WAS TAKEN TO MULTIPLE INDEPENDENT MECHANICS AND A DEALER ON NUMEROUS OCCASIONS WHERE IT WAS DIAGNOSED THAT THE FRONT DRIVER SIDE WHEEL BEARING NEEDED TO REPLACED. THE WHEEL BEARING WAS REPLACED MULTIPLE TIMES; HOWEVER, THE FAILURE PERSISTED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.

20150616WHEELS

TL* THE CONTACT OWNS A 2004 KIA RIO. WHILE DRIVING APPROXIMATELY 50 MPH, THE WHEEL BEARING AND THE HUB FROM BOTH REAR WHEELS DETACHED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE WHEEL BEARINGS NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED. THE CONTACT STATED THAT THE REAR TIRE BEARINGS WERE PREVIOUSLY REPLACED MULTIPLE TIMES. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 163,000.

Mileage: 163,000

20140710LATCHES/LOCKS/LINKAGES

TL* THE CONTACT OWNS A 2004 KIA RIO. THE CONTACT STATED THAT THE DRIVERS SIDE DOOR FAILED TO OPEN WHEN USING THE KEY OR BY MANUALLY PULLING THE LOCK. THE CONTACT MENTIONED THAT IN ORDER TO ENTER THE VEHICLE SHE HAD TO DO SO THROUGH THE FRONT PASSENGERS DOOR. THE MANUFACTURER WAS NOT CONTACTED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 84,000.

Mileage: 84,000

20140220VISIBILITY/WIPER

TL-THE CONTACT CT OWNS A 2004 KIA RIO. THE CONTACT STATED THAT THE WINDSHIELD DEFROSTER AND HEATING SYSTEM FAILED. THE CONTACT INSPECTED THE VEHICLE AND FOUND THAT THE WINDSHIELD DEFROSTER AND HEAT BUTTON HAD TO BE HELD IN TO BE ABLE TO HAVE THE WINDSHIELD DEFROST AND HEAT SYSTEM OPERATE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT AVAILABLE. THE FAILURE AND CURRENT MILEAGE WAS 87,050. LI

Mileage: 87,050

20121119LATCHES/LOCKS/LINKAGES

TL* THE CONTACT OWNS A 2004 KIA RIO. THE CONTACT STATED THAT THE MANUAL DOOR LOCKS ON BOTH THE INTERIOR AND EXTERIOR FRONT DRIVER'S SIDE DOORS WOULD NOT RELEASE. THE CONTACT HAD TO ENTER THE VEHICLE THROUGH THE FRONT PASSENGER SIDE DOOR AND EXIT IN THE SAME MANNER. THE VEHICLE WAS NEITHER DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 21,599.

Mileage: 21,599

20120115POWER TRAIN

VEHICLE WAS PURCHASED USED APPROXIMATELY 2 YEARS AGO. ON THE APPROXIMATE INCIDENT DATE, THE CLUTCH PEDAL FAILED TO ACTUATE THE CLUTCH AFTER PRODUCING A LOUD NOISE. INSPECTION AT A REPAIR FACILITY REVEALED FAILURE IN SEVERAL CLUTCH COMPONENTS AND A METAL FATIGUE FAILURE IN THE CLUTCH AND BRAKE PEDAL SUPPORT BRACKET. I AM FILING THIS COMPLAINT ON BEHALF OF MY DAUGHTER FOR THE FAILED SUPPORT BRACKET, WHICH I HAVE IN MY POSSESSION.

Mileage: 69,000

20111217FireFUEL SYSTEM, GASOLINE

THE CAR CAUGHT ON FIRE, KIA SAYS THEY SENT A NOTIFICATION TO THE ORIGINAL OWNER, YEARS AGO. WE FEEL THAT WE WERE ENTITLED TO A RECALL NOTICE BEFORE THE CAR BURNED DOWN. WE FEEL THIS IS NOT A SMALL RECALL, IT WAS A FIRE, A FIRE IS VERY DANGEROUS AND CAN BURN AND KILL PEOPLE. WE HAD 22 KIAS RIOS IN OUR FLEET AND NEVER RECEIVED RECALL NOTICES ON ANY OF THEM. KIA DID SEND NOTICES TO THE ORIGINAL OWNER HOWEVER THEY HAD THE INFORMATION AS TO WHICH CARS RECEIVED THE RECOMMENDED REPAIRS AND WHICH CARS NEVER CAME IN, THERE NEEDS TO BE SOME FOLLOW UP. *TR

Mileage: 81,299

20110825FireFUEL SYSTEM, GASOLINE

OUR CAR CAUGHT ON FIRE. KIA SAYS THAT RECALL NOTICES WERE SENT OUT TO THE PREVIOUS OWNER TO TAKE THE CAR TO A KIA DEALER FOR REPAIRS. NOTICE WAS SENT OUT YEARS AGO (2002). KIA KNEW THAT THE REPAIRS WERE NEVER DONE BECAUSE NO DEALERSHIP HAD BILLED KIA FOR REPAIRS. FOR NINE (9) YEARS THIS CAR WAS ON THE ROAD WITHOUT A SAFETY RECALL BEING PERFORMED FOR FIRE. FOR NINE YEARS WE REGISTERED THIS CAR AND KIA MADE NO ATTEMPT TO FIND OUT WHO OWNS THE VEHICLE. KIA IS BEING VERY UNETHICAL BECAUSE THEY SAY THAT A NOTICE WAS SENT OUT (ONE NOTICE) AND NOW THEY HAVE DONE THEIR OBLIGATION. *TR

Mileage: 81,299

20101205ENGINE AND ENGINE COOLING

I WAS AT A STOP SIGN AND MY 2004 KIA RIO DIED , I PUSHED IT TO THE MECHANIC AND WAS TOLD THE TIMING BELT LOST ITS TEETH AND THERE IS NOW NO COMPRESSION IN 3 AND 4 , THE MILEAGE ON CAR IS 68040. I WAS TOLD BASICALLY THE ENGINE IS TOAST AND I WASN'T EVEN MOVING ,I WAS TOLD BY A COUPLE OF MECHANICS THAT THE BELT THAT KIA USED IS FAULTY . THE OWNERS MANUAL SAYS REPLACE 60,000 MILES BUT REPLACE IT 105,000 IN CALIFORNIA. HOW WOULD A BELT BE BAD IN 49 STATES EXCEPT CALIFORNIA. I FOUND ON AUTO MD .COM NHTSA ACTION #10015272 SERVICE BULLETIN # 289221 REPORT DATING JAN 1 2005 IMPROVED TIMING BELTS FOR 04 RIO AND OPTIMA . *TR

Mileage: 68,040

20101013ELECTRICAL SYSTEM

TL*THE CONTACT OWNS A 2004 KIA RIO. THE CONTACT WAS DRIVING AT VARIOUS SPEEDS. THE ENGINE COMPLETELY STALLED AND THE ENTIRE ELECTRICAL SYSTEM FAILED WITHOUT WARNING. THE ENGINE WOULD RESTART AFTER WAITING FOR APPROXIMATELY ONE MINUTE. THE FAILURE OCCURRED ON SEVERAL DIFFERENT OCCASIONS. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THEY WERE UNABLE TO LOCATE THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 78,000.

Mileage: 78,000

20100907SUSPENSION

THE LEFT LOWER CONTROL ARM CAME LOOSE FROM THE CAR, PULLING THE CV AXLE OUT OF PLACE. THE LEFT LOWER CONTROL ARM WAS BOLTED BACK INTO PLACE AND THE CV AXLE SHAFT WAS REPAIRED. *TR

Mileage: 109,318

20090820POWER TRAIN:AUTOMATIC TRANSMISSION

TL*THE CONTACT OWNS A 2004 KIA RIO. WHEN THE CONTACT APPROACHED A STOP LIGHT, THE VEHICLE BEGAN ACCELERATING AND A NOISE WAS PRESENT IN THE FRONT OF THE VEHICLE. THE TRANSMISSION WAS REPLACED ON THREE OCCASIONS WITHIN THE LAST 1000 MILES. THE DEALER INFORMED THE CONTACT THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE CURRENT MILEAGE WAS 55700 AND THE FAILURE MILEAGE WAS 30000.

Mileage: 30,000

20090303ENGINE AND ENGINE COOLING

TL*THE CONTACT OWNS A 2004 KIA RIO. WHILE PULLING UP TO A PARKING LOT AT 20 MPH, THE VEHICLE SUDDENLY STALLED. THE CONTACT ATTEMPTED TO RESTART THE ENGINE, BUT WAS UNSUCCESSFUL. SHE WAS NEAR A TIRE SHOP AT THE TIME AND THE MECHANIC STATED THAT THE TIMING BELT FAILED. SHE HAD THE VEHICLE TOWED TO AN AUTO REPAIR SHOP AND WAS INFORMED THAT THE TIMING BELT FAILED AND THE ENGINE VALVES NEEDED TO BE REPLACED. THE MANUFACTURER STATED THAT SHE WOULD BE RESPONSIBLE FOR THE REPAIRS. THE VEHICLE IS IN THE PROCESS OF BEING REPAIRED, BUT THE CONTACT BELIEVES THAT THE TIMING BELT SHOULD NOT HAVE FAILED WITHIN FIVE YEARS. THE VIN WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 80,000.

Mileage: 80,000

20081118ENGINE AND ENGINE COOLING:ENGINE

I HAVE A 2004 KIA RIO. I HAD NO PROBLEMS WITH THIS VEHICLE TILL THE MONTH OF OCTOBER WHEN IT FAILED INSPECTION FOR EMISSIONS. I TOOK IT TO THE SHOP AND IT TOOK A WHILE BEFORE THEY FOUND OUT IT WAS A SENSOR. SO THEN I HAD THE CAR BACK FOR A WEEK AND MY HUSBAND WHO DRIVES THE CAR EVERYDAY WAS DRIVING HOME FROM WORK HEARD A LOUD NOISE AND THE CAR DIED. COME TO FIND OUT THE TIMING BELT WENT ON THE VEHICLE. WHICH COME TO FIND OUT YOU ARE SUPPOSE TO CHANGE THESE AT 60,000 ACCORDING TO THEIR BOOK. WHEN WE BOUGHT THE RIO WE ALSO BOUGHT A KIA SPECTRA. SO OF COURSE WE TOOK THE SPECTRA IN RIGHT AWAY TO GET A NEW BELT SO WE WOULDN'T HAVE 2 CARS DOWN. THAT COST 677.00. I HAD 78,000 ON THE SPECTRA AND THERE WAS 83,000 ON THE RIO. I INVESTIGATED THIS PROBLEM COME TO FIND OUT ALOT OF PEOPLE HAD THIS PROBLEM SO KIA KNOWS ABOUT IT. I THEN CHECKED THE TECHNICAL BULLETINS AND FOUND THAT IN JANUARY 0F 2005 THERE WAS A BULLETIN ITEM NUMBER 10015272. IT SAYS THEY IMPROVED THE TIMING BELTS FOR THE

Mileage: 83,000

20080903POWER TRAIN:MANUAL TRANSMISSION

ON FRIDAY, 8/22/08, THE VEHICLE STALLED AFTER BEING DRIVEN FOR LESS THAN A QUARTER OF A MILE FROM MY HOME AND IN A 25 M.P.H. ZONE. ON MONDAY 8/25/08, I HAD THE VEHICLE TOWED TO THE DEALERSHIP WHERE I PURCHASED THE VEHICLE. THERE I MET WITH THE SERVICE TECHNICIAN. THE SERVICE TECHNICIAN FELT THAT THE TIMING BELT MAY HAVE FAILED AND THAT THE EVENT WOULD LIKELY NOT BE COVERED UNDER MY WARRANTY BECAUSE, AS THE CUSTOMER, I SHOULD HAVE HAD THE TIMING BELT REPLACED AT 60,000 MILES. MY VEHICLE HAD 79,418 MILES AT THE TIME THE VEHICLE STALLED. MY 2004 KIA RIO HAS AN INTERFERENCE ENGINE AND NO ADEQUATE WARNING OF THE PROBABILITY OF A TIMING BELT FAILURE WAS EXPRESSED OR POSTED BY KIA. MY ENGINE HAS COMPLETELY FAILED BECAUSE THE TIMING BELT STRIPPED. IT WILL COST $1,200.00 TO $2,000.00 TO REPLACE THE MOTOR IN THIS AUTOMOBILE. *TR

Mileage: 79,418

20080328SUSPENSION:FRONT:STABILIZER BAR

TL*THE CONTACT OWNS A 2004 KIA RIO. WHILE DRIVING BETWEEN 50-55 MPH UPHILL, THE VEHICLE BEGAN WEAVING, VIBRATING, AND SHAKING. THE FAILURE RECURRED THE SAME DAY. THE DEALER CONFIRMED THAT THE LATERAL STABILIZER BAR FAILED. THE VEHICLE IS CURRENTLY AT THE DEALER, AWAITING THE PARTS TO ARRIVE. THE CONTACT HAS PICTURES. THE CURRENT AND FAILURE MILEAGES WERE 76,243.

Mileage: 76,243

Compare 2004KIARIO to Similar Vehicles

NHTSA Investigations 1 Open

View all investigations

Frequently Asked Questions

How many complaints does the 2004 KIA RIO have?
The 2004 KIA RIO has 53 NHTSA complaints, 5 crashes, 2 fires, 3 injuries, and 0 deaths reported.
Are there any recalls for the 2004 KIA RIO?
Yes, the 2004 KIA RIO has 2 recall(s). The most common affected component is CHILD SEAT. Recalls are issued by NHTSA and manufacturers must provide a free remedy.
What are the most common problems with the 2004 KIA RIO?
The most-complained component for the 2004 KIA RIO is ENGINE AND ENGINE COOLING with 7 complaints. Other frequently reported areas include ELECTRICAL SYSTEM and ENGINE AND ENGINE COOLING:ENGINE.
Is the 2004 KIA RIO safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.