Toyota Avensis Common Faults in Ireland
T27 (third generation, 2009–2018; facelifts in 2012 and 2015). This guide covers the 2012–2018 cars most common on the Irish used market. — Large D-segment family saloon and Tourer estate — a long-serving staple of the Irish taxi, rep and family fleet, prized for durability and cheap parts.. Updated 2026-07-06.
The T27 Avensis (2012–2018) is a durable family workhorse, but its D-4D diesels suffer DPF clogging and EGR carbon on short urban trips, plus injector and clutch wear at high mileage. Best buys are the 2013–2015 Toyota-built 2.0 D-4D; avoid the oil-burning 2.2 and the 2016–2018 BMW-derived diesels.
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Which Toyota Avensis years should you avoid?
Avoid 2016, 2017, 2018 Toyota Avensis models if you can. The 2015-facelift onward brought BMW-derived 1.6 and 2.0 D-4D diesels (N47 engine family) that add timing-chain-stretch risk, and any lingering early 2.2 D-4D is the engine to avoid for overfuelling, bore wear and oil consumption.
Best and worst years to buy
The 2013–2015 cars use the Toyota-built 2.0 D-4D (1AD-FTV), the most proven diesel in the range, by which point the DPF and EGR software was well sorted — and crucially before the switch to BMW-derived engines. These are the safest high-mileage used buys.
The 2015-facelift onward brought BMW-derived 1.6 and 2.0 D-4D diesels (N47 engine family) that add timing-chain-stretch risk, and any lingering early 2.2 D-4D is the engine to avoid for overfuelling, bore wear and oil consumption.
Known faults — Toyota Avensis T27 (third generation, 2009–2018; facelifts in 2012 and 2015). This guide covers the 2012–2018 cars most common on the Irish used market.
Documented from HonestJohn, owner forum sentiment (boards.ie, Reddit), Irish RSA recall portal, and Autoza dealer-feedback aggregation. Severity is colour-coded.
Diesel Particulate Filter (DPF)
Major — significant repair cost- Symptoms
- DPF or engine-management light, limp mode, repeated failed regenerations, rough running and a diesel smell in the cabin — worst on short, urban-only journeys that never get the filter hot enough to regenerate.
- Years affected
- 2012–2018 (all D-4D diesels) — Common from ~120,000 km, sooner on town-only cars
- Indicative repair (Ireland)
- €300–€500 forced regen/professional clean; €800–€1,500 replacement fitted
- What to check before buying
- On the test drive get the car to full temperature on a motorway or N-road and watch for the DPF light or limp mode. Ask for evidence of regular longer runs — a motorway or taxi car is far safer than a school-run runabout — and check the history for prior DPF or EGR work.
2.2 D-4D (2AD-FTV) overfuelling and oil consumption
Critical — engine-out potential- Symptoms
- Blue or white smoke on start-up or hard acceleration and a rapidly dropping oil level between services, caused by DPF over-regeneration diluting the oil and glazing the bores and piston rings.
- Years affected
- Early T27 2.2 D-4D (mainly pre-2013) — Often surfaces from 120,000–150,000 km
- Indicative repair (Ireland)
- €2,000–€4,000+ for a piston/ring job or engine rebuild
- What to check before buying
- Simplest advice: for a T27 buy the 2.0 or 1.6 D-4D, not the 2.2. If viewing a 2.2, check the oil level and colour on the dipstick, look for it overfilled (fuel dilution), watch the exhaust on a hard pull, and ask whether Toyota carried out the extended-warranty piston fix.
Diesel injectors
Major — significant repair cost- Symptoms
- Hard starting from cold, rough or uneven idle, a diesel knock/rattle, smoke and reduced power; a leaking injector can wash down a bore and cause deeper engine damage.
- Years affected
- 2012–2018 D-4D — Typically beyond 200,000 km / high ex-taxi mileage
- Indicative repair (Ireland)
- €350–€600 per injector; €1,500–€2,500 for a full set fitted
- What to check before buying
- Listen for a lumpy idle or a knock from cold and watch for smoke. Ask if any injectors have been replaced or re-coded. Ex-taxi high-milers are most exposed, so factor a possible injector set into your offer.
EGR valve, swirl flaps and intake carbon
Moderate — service-level fix- Symptoms
- Power loss, black smoke, erratic or lumpy idle and an engine light as carbon builds up in the EGR valve and inlet — the single most common complaint on D-4D owner forums, driven by stop-start use.
- Years affected
- 2012–2018 D-4D — From ~100,000 km on urban cars
- Indicative repair (Ireland)
- €100–€150 clean; €250–€450 replacement fitted
- What to check before buying
- Floor it in a low gear and watch for hesitation and black smoke, and feel for a lumpy idle. A logged EGR fault code is common — a clean is cheap but it returns on town-only cars, so weigh how the car has been driven.
Clutch and dual-mass flywheel (manual diesels)
Major — significant repair cost- Symptoms
- Juddering when pulling away, a rattle at idle in neutral that clears when you press the clutch, and a heavy or slipping clutch — accelerated by stop-start city and taxi use.
- Years affected
- 2012–2018 manual diesels — Often 150,000–200,000 km
- Indicative repair (Ireland)
- €800–€1,200 for clutch and dual-mass flywheel at an independent garage
- What to check before buying
- Pull away gently in first and second and feel for judder; in neutral at idle listen for a flywheel rattle. If revs rise but speed does not under load, the clutch is slipping. It is a big-ticket job, so use any sign of it to negotiate.
Timing chain (2015–2018 BMW-derived 1.6 and 2.0 diesels)
Major — significant repair cost- Symptoms
- A chain rattle from the timing end on cold start, most audible in the first seconds at idle; the facelift diesels use BMW N47-family engines with a known chain-stretch weakness.
- Years affected
- 2015–2018 facelift 1.6/2.0 D-4D — From ~130,000 km
- Indicative repair (Ireland)
- €900–€1,600 for a chain kit fitted
- What to check before buying
- On a facelift (2015-on) diesel, start it stone cold and listen for a rattle from the timing cover. Confirm the engine code — the earlier Toyota-built 2.0 D-4D (up to ~2015) does not share this risk and is the safer used buy.
Front suspension and steering-column knocks
Minor — wear-and-tear- Symptoms
- Knocking or clunking over bumps and from the steering-column area, usually worn front drop links, bushes or track-rod ends — a comfort and NCT concern on poorer Irish roads.
- Years affected
- 2012–2018 — From ~120,000 km
- Indicative repair (Ireland)
- €60–€250 per corner for links, bushes or track-rod ends
- What to check before buying
- On a rough road listen for knocks; parked, rock the car and turn the wheel lock-to-lock to hear column or link noise. It is cheap to fix, but a knock can fail the NCT, so check the car has a current cert or budget for the repair.
Who this car suits — and who should look elsewhere
High-mileage motorway and inter-city drivers, taxi and private-hire operators, and families wanting cheap, durable, easy-to-fix Toyota running costs.
Short urban-only drivers (DPF and EGR trouble), anyone tempted by the 2.2 D-4D, or buyers wanting modern infotainment and driver-assist technology.
Alternatives to consider
If the Toyota Avensis doesn't suit, these comparable models are worth a look in the Irish market:
- →Ford Mondeo
- →Skoda Octavia
- →Mazda6
- →Volkswagen Passat
Before you buy or sell a Toyota Avensis
Two quick checks pay for themselves on any used Avensis. First, check the car's NCT history before you buy — a missed or repeat-fail NCT often signals a chronic fault the seller is hoping you'll miss. Second, if you're weighing the Avensis against rival models, you can compare the Avensis against its rivals side-by-side on price, running costs and spec.
Selling instead? See what your Toyota Avensis is worth with our free Irish valuation — it reads live comparable listings and returns a resale and trade-in figure in seconds, no signup.
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