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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

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