EngineCritical
Theta II 2.4L/2.0T engine failure and oil consumption (recall/warranty history matters).
- Typically appears
- 60,000+ miles
- What to inspect
- Listen for knock; confirm knock-sensor recall and any engine work; check oil level.
2016–2020 Kia Sorento — common problems & known faults
The Sorento is a practical, value three-row SUV, but the Theta II 2.4L/2.0T engines and a few electronics items need checking.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed July 2026
Known faults to check
ElectricalLow
Infotainment/UVO glitches.
- Typically appears
- Any
- What to inspect
- Test the screen and connectivity.
TransmissionLow
Harsh shifts on some units.
- Typically appears
- Any
- What to inspect
- Test-drive for smooth engagement.
HVACLow
AC performance complaints.
- Typically appears
- 70,000+ miles
- What to inspect
- Confirm cold AC.
Inspecting a Kia Sorento?
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Generate a free checklistFrequently asked questions
Is the Kia Sorento reliable?
It's good value; the Theta II engine risk makes recall and service history essential.
Which Sorento engine to choose?
The 3.3L V6 avoids the Theta II 2.4L/2.0T concerns and is well-regarded.
What should I verify?
Knock-sensor recall completion and any engine replacement history.
Sources & further reading
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.