ElectricalLow
Infotainment and sensor glitches.
Infotainment repair or software fix£120–£1,200
Inspect · Test the screen and features.
2016–2020 Kia Optima · common fault repair costs
What the known faults on this Kia Optima typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £120–£1,200
- Top three risks, from
- £420
- Worst case, everything
- £3,150
The single priciest documented job on the 2016–2020 Kia Optima is infotainment repair or software fix at £120–£1,200. Few cars need every repair listed here · treat £500–£3,150 as the full exposure if one arrived with all of them.
Cost per fault
EngineCritical
Theta II 2.0T/2.4L engine failure (bearing/knock) — recalls and warranty extensions apply.
Electrical diagnosis & module repair£120–£900
Inspect · Listen for knock; confirm the knock-sensor recall and any engine replacement.
EngineHigh
Excessive oil consumption.
Oil leak trace & seal / gasket£180–£700
Inspect · Check oil level and history.
TransmissionLow
Occasional harsh shifts.
Minor repair or adjustment£80–£350
Inspect · Test-drive for smooth engagement.
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a Kia Optima this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.