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BYD Seal U buying guide (Ireland, 2026)

What a used BYD Seal U costs in Ireland, how it does at the NCT, what goes wrong and what it costs to fix. Based on 169 for sale right now.

Typical asking price€41,950€37,950–€47,300 for most
For sale now1690% diesel
In short: the BYD Seal U has no especially costly known faults, its most common engine usually lasts about 300k km.

Used BYD Seal U 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€47,2000k km58
2026€40,50018k km78
2025€37,95019k km31

Common BYD Seal U 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~€190160

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

Parts for the BYD Seal U

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 BYD Seal U

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 BYD guides

BYD Seal 6BYD SealBYD Sealion 7BYD Atto 3BYD Dolphin SurfBYD Dolphin