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
Quick answer
The most commonly reported faults on the 2016–2020 Kia Sorento are Theta II 2.4L/2.0T engine failure and oil consumption (recall/warranty history matters), Infotainment/UVO glitches and Harsh shifts on some units. Of the documented issues, 1 rated critical and 0 rated high · these are the ones worth inspecting first. Full inspection points, onset mileage and what to check are listed below.
Reliability snapshot
Based on the documented faults on this page for the Kia Sorento.
7.4/ 10
- Critical
- 1
- High
- 0
- Medium
- 0
- Low
- 3
Guidance only · reflects reported patterns, not a specific car's condition.
Kia Sorento problems by year
Which faults an average example has usually reached depends on its age. Pick a model year for the faults that matter on that build.
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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Check this exact carFrequently 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.