2018 Kia Sportage Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How electrical system ranks on this vehicle
Share of the 158 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Kia Sportage overview page.
What owners report
“Driver power window regulator stopped working. It is available for inspection upon request. My safety is at risk because it can hinder my ability to…”NHTSA complaint 11645908 — filed 03/03/2025
“Wiring harness that goes to the battery and alternator had melted plastic, fried battery and alternator”NHTSA complaint 11607745 — filed 08/10/2024
“The tow hitch can apparently start a fire. I can not afford to rent a car & must use mine as I am disabled &…”NHTSA complaint 11528829 — filed 06/26/2023
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2018 Kia Sportage have electrical system problems?
Electrical System is the #2 most-reported problem area on the 2018 Kia Sportage: 27 of 158 complaints on file (17.1%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2018 Kia Sportage have in total?
158 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 7 involved a crash, 11 involved a fire, 5 reported injuries, and none reported deaths.
What does NHTSA's electrical system category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.