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MG MG3 buying guide (Ireland, 2026)

What a used MG MG3 costs in Ireland, how it does at the NCT, what goes wrong and what it costs to fix. Based on 62 for sale right now.

Typical asking price€24,000€19,000–€29,850 for most
For sale now620% diesel
In short: the MG MG3 has no especially costly known faults, its most common engine usually lasts about 300k km.

Used MG MG3 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€27,7000k km17
2026€20,95024k km32
2025€20,95033k km9

Common MG MG3 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
1.5 Hybrid~300k km~€19041

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

Parts for the MG MG3

Enter the reg on the parts page to get the right fit.

Brake discsBrake padsClutch kitsTiming beltsBatteriesShock absorbersWheel bearingsWiper bladesBulbsSpark plugsIgnition coils

Before you buy a used MG MG3

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

Other MG guides

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