2004 Kia Rio Problems, Recalls & Reliability

53 owner complaints sit in the federal file for the 2004 Kia Rio, alongside 2 recall campaigns and 0 defect investigations. It scores 15/100 on the trouble index — one of this model's quieter years. Engine leads the reports, typically around 60,008 miles.

One of the quieter years. Relative to its siblings, the 2004 Kia Rio has drawn well-below-average complaint volume with at least four years on the road.

53Complaints
15/100Trouble index
2Recalls
53,015Typical trouble mileage

Better year

Where 2004 sits among all Rio years

Darker = quieter yearsBrighter amber = more trouble

What owners report

Engine 12 complaints (23%) · typically ~60,008 miles
Electrical 5 complaints (9%)
Fuel system 5 complaints (9%)
Suspension 5 complaints (9%)
Other 4 complaints (8%)
Brakes & stability 4 complaints (8%)

Mileage when trouble shows up

Among the 45 reports that include an odometer reading, problems most often appear around 53,015 miles. Half of those reports fall between 22,957 and 79,418 miles — a useful range to weigh against the mileage of the exact car you're looking at.

Recalls (2)

CHILD SEAT 05V557000 2005

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…

Fix: 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.

FUEL SYSTEM, GASOLINE 04V179000 2004

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…

Fix: 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.

Technical service bulletins

12 manufacturer communications — service bulletins, the biggest share on electrical and engine — are on file for the 2004 Kia Rio. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

See the 2004 Rio TSB list →

Complaint history for this model year

When owners filed their reports — a long tail means problems kept surfacing for years.

2004peak 19 in 20062024

Questions buyers ask

Is the 2004 Kia Rio reliable?

The 2004 Kia Rio drew 53 complaints in federal safety records — one of this model's quieter years. Its trouble index is 15/100, scored against the model's worst year (2001).

What are the most common 2004 Kia Rio problems?

The top reported problems for the 2004 Kia Rio are engine (12 complaints), electrical (5), and fuel system (5).

At what mileage do 2004 Kia Rio problems show up?

Owners most often report 2004 Kia Rio problems around 53,015 miles. Half of all reports that include an odometer reading fall between 22,957 and 79,418 miles.

Does the 2004 Kia Rio have recalls?

2 recall campaigns apply to the 2004 Kia Rio. Recall repairs are free at any franchised dealer.

← 2003 Rio All Rio years 2005 Rio →
Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.