2004 Kia Rio
The Verdict
Worst problem area
Engine
Engine leads by volume: 14 of 50 complaints (28%) mention it. Complaints mentioning Airbags & Restraints include more reported injuries (2) than those mentioning any other identified area.
Complaints filed fell from 82 in 2003 to 50 in 2004.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2002 | 2003 | 2004 | 2005 | 2006 | vs. 2004 Compact Cars |
|---|---|---|---|---|---|---|
| Annual fuel cost ($) | 2,400–2,600 | 2,400–2,500 | 2,400–2,600 | 2,500–2,600 | 2,150 | |
| Combined MPG | 24–26 | 25–26 | 24–26 | 24–25 | 29 | |
| City / Highway MPG | 22–23 / 27–29 | 22–23 / 30 | 21–23 / 29–30 | 21–22 / 29 | 25–27 / 32–35 | |
| CO₂ tailpipe (g/mi) | 342–370 | 342–355 | 342–370 | 355–370 | 306 | |
| Complaints filed | 149 | 82 | 50 | 36 | 74 | |
| Recalls issued | 1 | 3 | 2 | 1 | 1 | |
| Crash-involved complaints | 28 | 8 | 5 | 4 | 12 | |
| Fire-involved complaints | 9 | 2 | 2 | 4 | 0 | |
| Injuries reported | 31 | 8 | 2 | 8 | 14 | |
| Deaths reported | 1 | 0 | 0 | 1 | 0 | |
| Configurations compared | 2 | 2 | 4 | 2 | 2 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2004 Kia Rio have?
2 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2004 Kia Rio?
Engine: 14 of 50 NHTSA complaints (28%) mention it.
What gas mileage does the 2004 Kia Rio get?
EPA rates it 24–26 MPG combined across 4 configurations.
How much does it cost to fuel a 2004 Kia Rio?
EPA estimates $2,400–$2,600 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (4)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic 4-spd | 4 | 1.6L | Front-Wheel Drive | Regular | Compact Cars | 22 mpg | 30 mpg (high) | 25 mpg | $2,500 | 355 g/mi |
| Configuration 2 | Automatic 4-spd | 4 | 1.6L | Front-Wheel Drive | Regular | Compact Cars | 21 mpg (low) | 29 mpg (low) | 24 mpg (low) | $2,600 (high) | 370 g/mi (high) |
| Configuration 3 | Manual 5-spd | 4 | 1.6L | Front-Wheel Drive | Regular | Compact Cars | 23 mpg (high) | 30 mpg (high) | 26 mpg (high) | $2,400 (low) | 342 g/mi (low) |
| Configuration 4 | Manual 5-spd | 4 | 1.6L | Front-Wheel Drive | Regular | Compact Cars | 22 mpg | 29 mpg (low) | 25 mpg | $2,500 | 355 g/mi |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 14 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 7 | 0 | 0 | 0 | 0 |
| Fuel System | 7 | 0 | 2 | 0 | 0 |
| Electrical | 6 | 0 | 0 | 0 | 0 |
| Brakes | 5 | 1 | 0 | 0 | 0 |
| Steering | 2 | 1 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 9 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 3 | 3 | 0 | 2 | 0 |
| Driver Assistance & Speed Control | 4 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 5 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 3 | 0 | 0 | 0 | 0 |
| Other | 3 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (2)
CHILD SEAT · Campaign 05V557000 · Dec 19, 2005
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.
FUEL SYSTEM, GASOLINE:DELIVERY · Campaign 04V179000 · Apr 20, 2004
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.