2004 Kia Rio problems

Verdict · NHTSA data

A typical year for this model

The 2004 Kia Rio sits mid-pack among Rio years: 53 NHTSA complaints against a model median of roughly 54, with 2 recalls and no defect investigations.

No single system dominates the record — complaints spread across engine (12), fuel system (6), and suspension (5), which usually points to general build quality rather than one defect.

NHTSA complaints

Recalls

Investigations

Crash-involved

Fires reported

Injuries

Deaths

—

NCAP overall

How does 2004 compare to other Rio years?

Rio NHTSA complaints by model year, 2004 highlighted. Red bars are years to avoid.

See all Rio years to avoid →

What are the most common 2004 Kia Rio problems?

Component	Complaints	Share	vs prior year
Engine	12	23%	▼ down
Fuel System	6	11%	— flat
Suspension	5	9%	— flat
Electrical System	5	9%	▼ down
Transmission	4	8%	▼ down
Brakes	4	8%	▼ down
Other	3	6%	— flat
Airbags	3	6%	— flat
Speed Control	3	6%	▲ up
Visibility & Wipers	2	4%	▲ up
Latches & Locks	2	4%	— flat
Tires & Wheels	2	4%	▲ up
Body & Structure	1	2%	▼ down
Seat Belts	1	2%	▼ down

Does the 2004 Kia Rio have recalls?

2 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

05V557000Child SeatDecember 12, 2005 · 90,865 units

Defect

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 INTERFERENCE BETWEEN THE CHILD SEAT ANCHORS AND A METAL WIRE LOCATED IN THE FRAME OF THE REAR SEAT BACK. UNTIL THE RECALL REPAIR IS COMPLETED, FOLLOW THE INSTRUCTIONS PROVIDED BY YOUR CHILD SEATS MANUFACTURER ON HOW TO PROPERLY INSTALL THE CHILD SEAT WITH YOUR VEHICLE'S REAR SAFETY BELTS RATHER THAN USING THE LATCH SYSTEM.

Consequence

IN THE EVENT OF A VEHICLE CRASH, IF THE CHILD SEAT IS NOT PROPERLY INSTALLED, PERSONAL INJURY OR DEATH COULD OCCUR.

Remedy

DEALERS WILL REPLACE THE LOWER ANCHORS FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 30, 2006. OWNERS MAY CONTACT KIA AT 1-800-333-4542.

04V179000Fuel SystemApril 9, 2004 · 187,790 units

Defect

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 ASSEMBLY PROCESS OR DURING ENGINE COMPARTMENT REPAIRS.

Consequence

FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE MAY RESULT IN A FIRE.

Remedy

DEALERS WILL REPLACE THE FUEL DISTRIBUTOR AND MAIN FUEL TUBE ASSEMBLIES. THE RECALL BEGAN JUNE 18, 2004. OWNERS SHOULD CONTACT KIA AT 1-800-333-4542.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“WHILE DRIVING CHECK ENGINE LIGHT APPEARED ON THE DASHBOARD AND REMAINED ON. VEHICLE OVERHEATED. THIS CAUSED THE VEHICLE TO STALL. CONSUMER WAS UNABLE TO RESTART VEHICLE, AND HAD IT TOWED TO THE DEALER FOR INSPECTION. MECHANIC DETERMINED THAT THE CAM SENSOR, AND OTHER PARTS NEEDED TO BE REPLACED.…”
Complaint filed with NHTSA · Engine · August 30, 2004

“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…”
Complaint filed with NHTSA · Fuel System · April 27, 2011 · fire

“DT: THE CONTACT STATED VEHICLE JERKED AND CUT OUT. WHEN THIS HAPPENED THE ENGINE LIGHT CAME , ON AND THERE WAS A BURNING SMELL. THE VEHICLE WAS TAKEN TO THE DEALERSHIP SEVEN TIMES, AND THEY STATED IT WAS AN ELECTRICAL PROBLEM. THEY REPLACED THE ELECTRICAL THROTTLE MODULE EVERY TIME, AND STATED…”
Complaint filed with NHTSA · Electrical System · July 28, 2005

“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…”
Complaint filed with NHTSA · Suspension · March 26, 2008

“DT*: THE CONTACT STATED WHILE DRIVING 30 MPH, THE BRAKE PEDAL WAS DEPRESSED AND THE BRAKES DID NOT RESPOND. THE VEHICLE STOPPED WHEN HITTING ANOTHER VEHICLE. THERE WAS A POLICE REPORT TAKEN AT THE SCENE. THE VEHICLE WAS DRIVEN TO THE DEALERSHIP WHERE IT WAS DETERMINED THE CALIPERS WERE BLOWN OUT. ”
Complaint filed with NHTSA · Brakes · March 17, 2006 · crash

2004 Kia Rio — common questions

Is the 2004 Kia Rio reliable?

It is close to typical for the Rio: 53 NHTSA complaints, 2 recalls, and no investigations on file.

What are the most common 2004 Rio problems?

According to NHTSA complaint data, the leading problem areas are engine (12 complaints), fuel system (6 complaints), suspension (5 complaints).

Does the 2004 Kia Rio have recalls?

Yes — NHTSA lists 2 recall campaigns affecting the 2004 Kia Rio. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which Kia Rio years should you avoid?

Based on complaint rates and open investigations, the Rio years to avoid are 2001, 2013, 2002, 2016, 2003, 2006, 2014, 2012, 2015, 2017. The cleanest record among Rio years belongs to 2000.

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.

How does 2004 compare to other Rio years?

What are the most common 2004 Kia Rio problems?

Does the 2004 Kia Rio have recalls?

Consumer complaints filed with NHTSA

2004 Kia Rio — common questions

Is the 2004 Kia Rio reliable?

What are the most common 2004 Rio problems?

Does the 2004 Kia Rio have recalls?

Which Kia Rio years should you avoid?

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