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Audi A4 buying guide (Ireland, 2026)
What a used Audi A4 costs in Ireland, how it does at the NCT, what goes wrong and what it costs to fix. Based on 722 for sale right now.
Executive car See every executive car's typical price.
Our take on the Audi A4
A 2023 Audi A4 typically advertises at €35,000 and a 2018 one at €17,950, so it loses roughly 13% of its value a year at that age. Most for sale are diesels (69%), which suit longer, regular drives; for mostly short trips a petrol is the safer buy. At the NCT, the 2007–2008 cars fail more often than other cars the same year, so a fresh NCT is worth paying a little more for. The 2.0 diesel is the most common engine (84% of those with a known engine), and it usually lasts around 280k km.
Check a Audi A4's priceNCT pass rate by year
Used Audi A4 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.
| Year | Typical price | Typical mileage | For sale |
|---|---|---|---|
| 2024 | €37,950 | 70k km | 50 |
| 2023 | €35,000 | 85k km | 79 |
| 2022 | €30,950 | 120k km | 47 |
| 2021 | €28,500 | 116k km | 45 |
| 2020 | €23,950 | 160k km | 25 |
| 2019 | €21,000 | 155k km | 52 |
| 2018 | €17,950 | 180k km | 68 |
| 2017 | €15,000 | 183k km | 117 |
| 2016 | €13,950 | 178k km | 69 |
| 2015 | €9,950 | 237k km | 50 |
| 2014 | €7,750 | 220k km | 24 |
| 2013 | €6,250 | 286k km | 20 |
| 2012 | €5,600 | 260k km | 19 |
| 2011 | €6,000 | 272k km | 16 |
| 2010 | €4,500 | 210k km | 8 |
| 2009 | €2,950 | 322k km | 12 |
| 2008 | €2,950 | 330k km | 10 |
| 2005 | €3,950 | 212k km | 6 |
Audi A4 NCT pass rate
How often Audi A4s pass their NCT first time, compared with other cars the same year (Road Safety Authority (RSA), NCT make & model data 2025, initial tests).
| Year | Pass first time | Other cars, same year | |
|---|---|---|---|
| 2021 | 77% | 80% | |
| 2020 | 78% | 75% | |
| 2019 | 71% | 74% | |
| 2018 | 68% | 67% | |
| 2017 | 64% | 64% | |
| 2016 | 55% | 55% | |
| 2015 | 51% | 53% | |
| 2014 | 53% | 51% | |
| 2013 | 48% | 46% | |
| 2012 | 46% | 42% | |
| 2011 | 35% | 38% | |
| 2010 | 32% | 34% | |
| 2009 | 29% | 31% | |
| 2008 | 24% | 30% | |
| 2007 | 25% | 31% |
Most common reasons a 2018 Audi A4 fails: wheels & tyres (11% of tests), safety equipment (7.9% of tests, more than most cars), shock absorbers (6.9% of tests, more than most cars), steering & suspension (6.2% of tests).
Common Audi A4 problems
Known weak spots to check before you buy, with typical Irish garage costs if the problem is there.
DSG gearbox mechatronic / clutch (7-speed) · €900–€2,200
In slow traffic and reversing, watch for jerks, clunks or a slipping feeling. A flashing gear display means it's in limp mode.
EGR / DPF blocking (1.6/2.0 TDI) · €300–€900
Ask how it's driven: short trips clog the DPF. Any DPF/engine light, limp mode, or heavy smoke when revved is a warning.
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.
Engines and how long they last
| Engine | Usually lasts | Motor tax / year | For sale |
|---|---|---|---|
| 2.0 Diesel | ~280k km | ~€270 | 324 |
| 2.0 Petrol | ~300k km | ~€600 | 34 |
| 1.4 Petrol | ~300k km | ~€280 | 26 |
2.0 Diesel: usual problem: oil pump drive and cracked heads.
"Usually lasts" is the mileage these engines commonly reach before major work; service history matters more than the number.
Parts for the Audi A4
Parts from AUTODOC Ireland: pick your car on the parts page to get the right fit.
Brake discsBrake padsClutch kitsTiming belt kitsShock absorbersWheel bearingsTrack rod endsFiltersWiper bladesHeadlight bulbsGlow plugsEGR valves
Quick bits on Amazon
Faster delivery for small things.
Wiper bladesBulbsBatteryOBD2 fault code readerJump starter
Before you buy a used Audi A4
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.