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Audi A8 buying guide (Ireland, 2026)

What a used Audi A8 costs in Ireland, how it does at the NCT, what goes wrong and what it costs to fix. Based on 42 for sale right now.

Typical asking price€30,000€12,500–€77,950 for most
For sale now4245% diesel
First-time NCT pass (2019)83%average for its age: 74%
In short: the Audi A8 passes the NCT more often than most cars its age (83% vs 74%), has no especially costly known faults, its most common engine usually lasts about 320k km.

Used Audi A8 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
2024€78,95027k km6
2023€66,90097k km5
2019€30,000150k km5
2017€25,950180k km5

Audi A8 NCT pass rate

How often Audi A8s pass their NCT first time, against all cars the same age (Road Safety Authority (RSA), NCT make & model data 2025, initial tests).

YearPass first timeAll cars that age
202081%75%
201983%74%
201882%67%
201782%64%
201671%55%
201564%53%
201466%51%
201370%46%
201263%42%
201151%38%

Most common reasons a 2019 Audi A8 fails: safety equipment (6.5% of tests, more than most cars), headlight aim (4.3% of tests), steering & suspension (2.2% of tests), wheels & tyres (2.2% of tests).

Common Audi A8 problems

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

Timing belt history · €350–€700

Ask when the timing belt and water pump were last done (usually every 160,000 km or 5–6 years). No proof = budget for it.

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
3.0 Diesel~320k km~€75014
3.0 Hybrid~300k km~€2705

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

Parts for the Audi A8

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

Brake discsBrake padsClutch kitsTiming beltsBatteriesShock absorbersWheel bearingsWiper bladesBulbsGlow plugsEGR valves

Before you buy a used Audi A8

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 Audi guides

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