Vehicles · Insights

2018 Kia Optima

2018 Kia Optima: engine trouble dominates owner complaints

Of 224 complaints owners filed with NHTSA, the engine is by far the biggest concern, named in 127 reports (57%) including 9 that involved a fire. After that, owners flag electrical glitches (33 reports), then powertrain, brake, and headlight issues. If you're buying, have the engine checked closely and ask about any fire-related history.

Most reported areas

Engine safety 57%
The top complaint by a wide margin: 127 reports (57% of all complaints), and 9 of them involved a fire. Get the engine inspected before you buy.
Electrical System safety 15%
The second most common area: 33 reports (15%), including 2 that involved a fire. Test the electronics and watch for warning lights.
Power Train safety 8%
18 reports (8%), with 1 crash, 1 fire, and 2 people injured. Worth a careful drivetrain check given the injuries involved.
Service Brakes safety 7%
16 reports (7%), tied to 2 crashes and 1 injury. Have the brakes tested thoroughly on any car you consider.
Exterior Lighting safety 6%
14 reports (6%), one involving a fire. Check that all exterior lights work correctly during a test drive.

Source: NHTSA owner complaints · 224 complaints

Track maintenance, recalls, and costs for your Kia, and see this inside the app.

Get Garage Story Maintenance schedule

General information compiled from public NHTSA complaint data, for reference only, not professional advice and not reviewed by automotive experts. Verify before acting; Studio AM is not responsible for decisions made from it.