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Kia K4 buying guide (Ireland, 2026)

What a used Kia K4 costs in Ireland, how it does at the NCT, what goes wrong and what it costs to fix. Based on 79 for sale right now.

Typical asking price€34,550€29,900–€36,600 for most
For sale now790% diesel
In short: the Kia K4 has no especially costly known faults and its most common engine usually lasts about 320k km.

Our take on the Kia K4

It's sold here mainly as a petrol. The 1.0 petrol is the most common engine (65% of those with a known engine), and it usually lasts around 320k km.

Check a Kia K4's priceNCT pass rate by year

Used Kia K4 prices by year

Typical asking price by registration year, and typical mileage. Private sellers usually take 5–10% less than asking; expect dealers to be a little dearer.

YearTypical priceTypical mileageFor sale
2027€36,3000k km32
2026€33,00014k km47

Common Kia K4 problems

Known weak spots to check before you buy, with typical Irish garage costs if the problem is there.

Automatic gearbox health · €300–€2,500

Make sure the gear changes are smooth when warm, check for a gearbox warning light and ask if the gearbox oil was ever changed.

Engines and how long they last

EngineUsually lastsMotor tax / yearFor sale
1.0 Petrol~320k km~€18034
1.0 Hybrid~320k km~€18018

"Usually lasts" is the mileage these engines commonly reach before major work; service history matters more than the number.

Parts for the Kia K4

Parts from AUTODOC Ireland: pick your car on the parts page to get the right fit.

Brake discsBrake padsClutch kitsTiming chain kitsShock absorbersWheel bearingsTrack rod endsFiltersWiper bladesHeadlight bulbsSpark plugsIgnition coils

Quick bits on Amazon

Faster delivery for small things.

Wiper bladesBulbsBatteryOBD2 fault code readerJump starter

Before you buy a used Kia K4

Run a history check on the reg (write-off, finance owing, mileage), ask when the last service was done and for receipts, and start it from cold yourself. The used car checklist takes you through a viewing step by step.

Other Kia guides

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