1999 Kia Sephia Power Train:automatic Transmission Problems
NHTSA component category: POWER TRAIN:AUTOMATIC TRANSMISSION · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train:automatic transmission ranks on this vehicle
Share of the 428 complaints citing each category; one complaint can cite several. Full breakdown on the 1999 Kia Sephia overview page.
What owners report
“SINCE I PURCHASE THE CAR IT HAS BEEN IN THE SHOP FIVE TIMES ONE FOR REPLACEMENT OF TRANSMISSION AND THE OTHER FOUR FOR THE BRAKES…”NHTSA complaint 719972 — filed 03/11/2000
“TRANSMISSION FAILED TOOK TO DEALER HE STATED TRANSMISSION FAILED BECAUSE I WAS TRYING TO GET OUT OF THE SNOW IN MY DRIVEWAY???? CONTACTED KIA THEY…”NHTSA complaint 718252 — filed 02/15/2000
“I BOUGHT THIS CAR JUST OVER A YEAR AGO. IT HAS BEEN TO THE SHOP 9 GOING ON 10 TIMES, NOT TO MENTION THAT THERE…”NHTSA complaint 716606 — filed 12/29/1999
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train:automatic Transmission complaints by year filed
Frequently asked questions
Does the 1999 Kia Sephia have power train:automatic transmission problems?
Power Train:automatic Transmission is the #3 most-reported problem area on the 1999 Kia Sephia: 51 of 428 complaints on file (11.9%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 1999 Kia Sephia have in total?
428 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 50 involved a crash, 42 involved a fire, 37 reported injuries, and none reported deaths.
What does NHTSA's power train:automatic transmission category include?
NHTSA assigns each complaint to standard component categories; this page reports the POWER TRAIN:AUTOMATIC TRANSMISSION category exactly as NHTSA defines and records it.
