"How reliable is the 2000 Kia Sephia?"

"Based on 461 NHTSA complaints, the 2000 Kia Sephia has a median complaint mileage of 43700 miles. The most common issue is POWER TRAIN:AUTOMATIC TRANSMISSION."

"What are common problems with the 2000 Kia Sephia?"

"The most frequently reported component in NHTSA complaints for the 2000 Kia Sephia is POWER TRAIN:AUTOMATIC TRANSMISSION, accounting for a significant portion of the 461 total complaints filed."

2000 Kia Sephia: Reliability Data

Source: NHTSA — 461 complaints

461

Total Complaints

43,700mi

Median Mileage

POWER TRAIN:AUTOMATIC TRANSMISSION

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

21,788 25th Percentile

43,700 Median Mileage

66,706 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

POWER TRAIN:AUTOMATIC TRANSMISSION

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS

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

AIR BAGS:FRONTAL

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

ELECTRICAL SYSTEM

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

UNKNOWN OR OTHER

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"VEHICLE NOT STARTING PROPERLY. MUST SWITCH ON VEHICLE MORE THEN ONCE OR SOMETIMES MORE THEN TWICE BEFORE VEHICLE WOULD START PROPERLY. DEALER NOTIFIED, AND INFORMED CONSUMER THAT MANUFACTURER WAS AWARE OF THIS PROBLEM. NOTIFIED MANUFACTURER AND INFORMED CONSUMER THAT THERE WAS NO PROBLEM. CAN NHT..."

"HEADLIGHT HIGH BEAM IS OFF BY 10 % TO LEFT. WHEN MAKING A RIGHT TURN, THERE IS A BLIND SPOT TO THE RIGHT, CAUSING VISIBILITY PROBLEMS, WHICH MAY RESULT IN A CRASH. DEALER SAID THERE WAS NO SOLUTION FOR THE PROBLEM. PLEASE PROVIDE FURTHER INFORMATION. *AK"

"WHILE TRAVELING ON THE HIGHWAY AT APPROXIMATELY 70 MPH, VEHICLE LOST CONTROL AND LANDED IN A DITCH. DEALER / MANUFACTURER NOTIFIED. *AK"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28