KIA SEPHIA · model year

1998 KIA SEPHIA

994 NHTSA complaints, 61 crash reports for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 1998KIASEPHIA carries 994 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 61 crashes, 24 fires, 57 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 1998 SEPHIA is service brakes, hydraulic:foundation components:disc with 76 filings, followed by service brakes, hydraulic:foundation components (68) and engine and engine cooling:engine:gasoline (67). 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.

NHTSA currently has 2 investigation files overlapping the 1998 SEPHIA. 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.

994
Complaints
61
Crashes
24
Fires
57
Injuries
0
Deaths

Total Complaints

994 filings

Crashes Reported

61 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

Above median complaint volume — review patterns below.

Complaints by Component

ComponentCount
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC76
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS68
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE67
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR57
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP46
POWER TRAIN:AUTOMATIC TRANSMISSION37
UNKNOWN OR OTHER29
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS25
ELECTRICAL SYSTEM:IGNITION23
AIR BAGS:FRONTAL21
ELECTRICAL SYSTEM20
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP20
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY18
EQUIPMENT:APPLIANCE:AIR CONDITIONER18
ELECTRICAL SYSTEM:12V/24V/48V BATTERY16

Recent Complaints

20191119FUEL/PROPULSION SYSTEM

TL* THE CONTACT OWNS A 1998 KIA SEPHIA. WHILE DRIVING VARIOUS SPEEDS, THE VEHICLE WOULD SHUT OFF WITHOUT WARNING. THE CONTACT ASSOCIATED THE FAILURE WITH NHTSA CAMPAIGN NUMBER: 99V317000 (FUEL SYSTEM, GASOLINE). THE CONTACT WAS INFORMED BY THE MANUFACTURER THAT THE VEHICLE HAD BEEN SERVICED FOR THE RECALL IN 1999. THE CONTACT TOOK THE VEHICLE TO HANSON KIA (2300 CARRIAGE LOOP SW, OLYMPIA, WA 98502, (360) 943-2120) AND WAS INFORMED THAT A DIAGNOSTIC TEST NEEDED TO BE PERFORMED TO DETERMINE THE CAUSE OF THE FAILURE. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 119,000.

Mileage: 119,000

20130418VISIBILITY/WIPER

TL* THE CONTACT OWNS A 1998 KIA SEPHIA. THE CONTACT STATED THAT WHEN SHE ACTIVATED THE WINDSHIELD WIPERS, THE WIPER SCRATCHED THE WINDSHIELD AND DID NOT CLEAR THE RAIN. THE CONTACT TOOK THE VEHICLE TO THE DEALER AND THE VEHICLE WAS REPAIRED UNDER NHTSA CAMPAIGN ID NUMBER: 99V271000 (VISIBILITY) HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS TAKEN BACK TO THE DEALER WHERE THEY STATED THAT THE WINDSHIELD WIPER MOTOR NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 55,000.

Mileage: 55,000

20100804STEERING:RACK AND PINION

TL* THE CONTACT OWNS A 1998 KIA SEPHIA. THE CONTACT WAS REVERSING FROM A PARKING SPACE WHEN HE HEARD AN UNUSUAL CLICK. THE STEERING WHEEL BEGAN TO LOCK YET THE CONTACT WAS ABLE TO MOVE THE WHEEL. HE PROCEEDED TO DRIVE TO HIS RESIDENCE AS THE STEERING BECAME INCREASINGLY DIFFICULT. THE CONTACT NOTICED THE RACK AND PINION MOUNTING BRACKET HAD FRACTURED FROM THE FIRE WALL. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 120,553.

Mileage: 120,553

20100224VEHICLE SPEED CONTROL

TL*THE CONTACT OWNS A 1998 KIA SEPHIA. WHILE DRIVING APPROXIMATELY 35 MPH THE VEHICLE BEGAN TO ACCELERATE TO 50 MPH ON ITS OWN. THE DRIVER STATED THAT HE HAD TO PRESS THE BRAKE PEDAL EXCESSIVELY IN ORDER TO SLOW THE VEHICLE DOWN. THE FAILURE MILEAGE WAS 160,000. THE CURRENT MILEAGE WAS 171,000. THE VIN WAS UNAVAILABLE. THE DRIVER ALSO STATED THAT HE NOTIFIED THE DEALER AND THEY TOLD HIM THAT SOMEONE WOULD CONTACT HIM.

Mileage: 160,000

20090312FUEL SYSTEM, GASOLINE

TL*THE CONTACT OWNS A 1998 KIA SEPHIA. THE CONTACT NOTICED THAT HIS VEHICLE WOULD PERIODICALLY FAIL TO START. ON ONE OCCASION, THE VEHICLE WAS TOWED TO A REPAIR SHOP AND THE MECHANIC CHANGED THE FUEL PUMP. A FEW WEEKS LATER, THE FAILURE RECURRED. THE MECHANIC CHANGED THE FUEL PUMP RELAY, BUT THE FAILURE STILL OCCURRED. THE MECHANIC REFERENCED NHTSA CAMPAIGN ID NUMBERS 99V317000 AND 99V318000 (FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP) AND SHOWED THE CONTACT A WIRE IN THE FUEL SYSTEM THAT WAS NOT INSULATED AND HAD BEEN OVERHEATING. ONCE THE WIRE WAS REMOVED, THE FAILURE SEEM TO BE RESOLVED. THE MECHANIC REPLACED ALL THE WIRES AND CONNECTORS AND RE-SAUTERED EVERYTHING. THE MANUFACTURER STATED THAT THE RECALL REPAIR WAS ALREADY PERFORMED ON THE VEHICLE AND WOULD NOT ASSIST. THE CURRENT MILEAGE WAS APPROXIMATELY 109,250 AND FAILURE MILEAGE WAS 108,083.

Mileage: 108,083

20080717STRUCTURE

THE DASH BOARD IS CURLING UP AROUND THE FRONT WINDOW VENTS WHICH IS KICKING THE VENTS OUT. *TR

Mileage: 80,200

20080717SERVICE BRAKES, HYDRAULIC

MY 1998 KIA SEPHIA REAR BRAKE PAD FELL OFF FELL OFF THE SHOE. APPARENTLY THEY ARE HELD ON BY GLUE. IT WAS REPLACED BUT I STILL HAVE PROBLEMS WHEN IT RAINS A LOT , THEY LOCK UP WHEN PARKED. I DON'T DARE USE MY EMERGENCY BRAKE BECAUSE THE BRAKES LOCK UP. *TR

Mileage: 80,000

20070912AIR BAGS:FRONTAL

THE AIRBAG IN MY DAUGHTERS KIA SEPHIA 1998 PASSENGER SIDE ONLY DEPLOYED WHILE SHE WAS SITTING AT A RED LIGHT. THERE WAS NO ACCIDENT AND NO REASON FOR THE AIRBAG TO GO OFF. TOOK TO DEALSHIP FOR REVIEW AND WAS TOLD THAT THE EXPERT LOOKED AT THE CAR AND SAID THERE IS NOTHING THEY CAN DO AND NO IDEA WHY IT HAPPEN. THEN CONTINUED TO SAY THAT SOMEONE COULD HAVE DONE SOMETHING WRONG TO THE CAR AND WE WOULD NEVER NO, BUT THEY WERE NOT GOING TO SPEND ANY MORE TIME OR MONEY TO FIND OUT WHAT REALLY MAY HAVE CAUSED THIS. MY DAUGHTER, THE DRIVER, WAS SLIGHTLY INJURED AND NOW IS AFFRAID WHILE DRIVING OR RIDING IN A CAR.

Mileage: 30,090

20070723CrashAIR BAGS:FRONTAL

TL*THE CONTACT OWNED A 1998 KIA SEPHIA. A RELATIVE WAS DRIVING THE CONSUMERS VEHICLE AND HE SAW HIS BROTHER DRIVING IN THE OPPOSITE DIRECTION. HE SWERVED TO PLAY A GAME WITH HIS BROTHER, BUT INSTEAD HE LOST CONTROL OF THE VEHICLE AND CRASHED HEAD ON INTO THE OTHER VEHICLE. THE DRIVERS AIR BAG FAILED TO DEPLOY, HOWEVER THE PASSENGER AIR BAG DEPLOYED AND THERE WERE NO PASSENGERS. UPDATED 04/30/08. LJ THE CONSUMERS ALSO OWNS A 2000 TOYOTA TACOMA WHICH WAS ALSO INVOLVED IN THE ACCIDENT AND THE DRIVERS AIR BAG DID NOT DEPLOY. UPDATED

20070718POWER TRAIN:AUTOMATIC TRANSMISSION

I BROUGHT A NEW KIA SEPHIA IN 1998, AND HAD NOTHING BUT TROUBLE WITH IT! TRANSMISSION WAS REPLACED 2 TIMES BY THE MECHANIC FOR KIA MOTORS, AND NEEDED TO BE REPLACED AGAIN ON 7/2007. ALSO , THE BRAKES HAVE BEEN REPLACED 4 TIMES AND NEED TO BE REPLACED AGAIN. NOW THE HEADLIGHTS KEEP TURNING OFF WHILE DRIVING AT NIGHT, BUT NO MECHANIC CAN LOCATE THE ELECTRICAL SHORT PROBLEM. *AK

Mileage: 80

20070718SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

I BROUGHT A NEW KIA SEPHIA IN 1998, AND HAD NOTHING BUT TROUBLE WITH IT! TRANSMISSION WAS REPLACED 2 TIMES BY THE MECHANIC FOR KIA MOTORS, AND NEEDED TO BE REPLACED AGAIN ON 7/2007. ALSO , THE BRAKES HAVE BEEN REPLACED 4 TIMES AND NEED TO BE REPLACED AGAIN. NOW THE HEADLIGHTS KEEP TURNING OFF WHILE DRIVING AT NIGHT, BUT NO MECHANIC CAN LOCATE THE ELECTRICAL SHORT PROBLEM. *AK

Mileage: 80

20070718ELECTRICAL SYSTEM:WIRING

I BROUGHT A NEW KIA SEPHIA IN 1998, AND HAD NOTHING BUT TROUBLE WITH IT! TRANSMISSION WAS REPLACED 2 TIMES BY THE MECHANIC FOR KIA MOTORS, AND NEEDED TO BE REPLACED AGAIN ON 7/2007. ALSO , THE BRAKES HAVE BEEN REPLACED 4 TIMES AND NEED TO BE REPLACED AGAIN. NOW THE HEADLIGHTS KEEP TURNING OFF WHILE DRIVING AT NIGHT, BUT NO MECHANIC CAN LOCATE THE ELECTRICAL SHORT PROBLEM. *AK

Mileage: 80

20070329ELECTRICAL SYSTEM

TL*- THE CONTACT STATED THAT WHEN TRYING TO MERGE INTO TRAFFIC WITH THE 1998 KIA SOPHIA IT STALLED. WHEN THIS HAPPENED INSTRUMENT PANEL LIGHTS TURNED ON. THE VEHICLE STALLED IN HEAVY TRAFFIC, AND SHE HAD TO PUT THE VEHICLE IN PARK AND RESTART IT. THE CONTACT STATED THAT THE VEHICLE'S CURRENT MILEAGE WAS 70,000 MILES. THE DEALERSHIP INFORMED HER THAT SHE NEEDED A NEW VEHICLE. THE CONTACT STATED THAT THE DEALERSHIP FOUND NOTHING WRONG WITH THE VEHICLE. THE VEHICLE STALLED INTERMITTENTLY. AT TIMES WHEN THE VEHICLE STALLED, AND SHE TRIES TO RESTART IT, THE VEHICLE WOULD NOT RESTART. *AK

20060520FireENGINE AND ENGINE COOLING:ENGINE

MY WIFE WAS DRIVING OUR 1998 KIA SEPHIA AND THE ENGINE BEGAN TO STALL. SHE PULLED INTO A PARKING LOT AND THE ENGINE CAUGHT ON FIRE. MY WIFE RAN AWAY FORM THE VEHICLE. THE WHOLE FRONT OF THE CAR WAS BURNED UP. *NM

Mileage: 127,000

20060224FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

FLASHING OVERDRIVE DASH LIGHT AND CHECK ENGINE LIGHT CONTINUALLY LIT DUE TO FAULTY PRESSURE SENSOR AT FUEL INJECTOR. *NM

Mileage: 83,500

20050903ELECTRICAL SYSTEM

OVER A PERIOD OF TIME, APPROXIMATELY 70,00 MILES ON MY CAR, THE AC/HEATER FAN MOTOR WILL BLOW AIR INTERMITTENTLY, REGARDLESS OF THE FAN'S SPEED SETTING. EVENTUALLY, THE FAN STOPS BLOWING ALL TOGETHER. THIS SAME THING HAS HAPPENED WITH MY 1999 KIA SEPHIA. *JB

20050903ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

OVER A PERIOD OF TIME, APPROXIMATELY 70,00 MILES ON MY CAR, THE AC/HEATER FAN MOTOR WILL BLOW AIR INTERMITTENTLY, REGARDLESS OF THE FAN'S SPEED SETTING. EVENTUALLY, THE FAN STOPS BLOWING ALL TOGETHER. THIS SAME THING HAS HAPPENED WITH MY 1999 KIA SEPHIA. *JB

20050716SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

1-LEAKING BRAKE FLUID INSIDE FIREWALL 2-DASHBOARD DISFIGURING 3-EXAUST MANIFOLD GASKETS NOT LASTING

Mileage: 80,000

20050716STRUCTURE

1-LEAKING BRAKE FLUID INSIDE FIREWALL 2-DASHBOARD DISFIGURING 3-EXAUST MANIFOLD GASKETS NOT LASTING

Mileage: 80,000

20050716EQUIPMENT

1-LEAKING BRAKE FLUID INSIDE FIREWALL 2-DASHBOARD DISFIGURING 3-EXAUST MANIFOLD GASKETS NOT LASTING

Mileage: 80,000

Compare 1998KIASEPHIA to Similar Vehicles

NHTSA Investigations

Frequently Asked Questions

How many complaints does the 1998 KIA SEPHIA have?
The 1998 KIA SEPHIA has 994 NHTSA complaints, 61 crashes, 24 fires, 57 injuries, and 0 deaths reported.
What are the most common problems with the 1998 KIA SEPHIA?
The most-complained component for the 1998 KIA SEPHIA is SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC with 76 complaints. Other frequently reported areas include SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS and ENGINE AND ENGINE COOLING:ENGINE:GASOLINE.
Is the 1998 KIA SEPHIA 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.