Audi A4 1.4 TFSI reliability and 2.0 TFSI oil consumption
Audi A4 1.4 TFSI reliability and the 2.0 TFSI oil consumption issue: affected years, piston fixes and how to test a petrol A4 before buying.
· 7 min read
Audi A4 1.4 TFSI reliability is good: the 150 hp engine in the B9 (about 2016–2019) has no widespread major fault. The real risk among petrol A4s is the B8's 1.8 and 2.0 TFSI from the EA888 Gen 2 family, built up to around 2012, which can burn oil because of a piston-ring design problem. Test for it before bidding and price in new pistons if needed.
Which TFSI engines are in the A4?
The A4 has used several TFSI petrol engines, and their reliability differs more than their badges suggest. The year, generation and engine code tell you which one you are looking at.
| Engine | Generation | Approximate years | Reputation |
|---|---|---|---|
| 1.8 TFSI (EA888 Gen 1/Gen 2) | B8 | 2008–2012 | Oil consumption, chain tensioner |
| 2.0 TFSI (EA888 Gen 2) | B8 | 2008–2012 | Oil consumption, chain tensioner |
| 1.8 / 2.0 TFSI (EA888 Gen 3) | B8 facelift | From about 2012–2013 | Much improved |
| 1.4 TFSI (EA211, 150 hp) | B9 | About 2016–2019 | Good |
| 2.0 TFSI (35/40/45 TFSI, later mild hybrid) | B9 | 2015–2024 | Good |
The 1.4 TFSI was replaced by the 2.0-litre 35 TFSI with the same 150 hp from late 2018. Engine codes in the vehicle documents or a VIN decoder confirm the exact version.
Audi A4 1.4 TFSI reliability: is it a good engine?
Yes, the A4 1.4 TFSI is regarded as a reliable engine. It belongs to VW Group's EA211 family, which is widely used in the Golf, Octavia and Leon and has a better record than the earlier 1.4 TSI engines with timing chains.
Points to check on a 1.4 TFSI A4:
- Timing belt: the EA211 uses a belt. Confirm it has been changed at the specified interval, or budget for it.
- Coolant leaks: the plastic water pump and thermostat housing on EA211 engines can leak with age.
- Gearbox: most 1.4 TFSI A4s have a manual or a seven-speed S tronic. Check for smooth shifts and no judder from a standstill.
- Carbon build-up: direct-injection engines used mainly for short trips can develop deposits on the intake valves.
The 1.4 TFSI is a sensible engine for private buyers with modest annual mileage. It is less powerful than the 2.0 TFSI, so buyers who tow or drive fast on motorways may prefer the bigger engine.
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Request accessWhich 2.0 TFSI engines burn oil?
The 2.0 TFSI and 1.8 TFSI engines most likely to burn oil are the EA888 Gen 2 versions fitted to the B8 A4 from 2008 to around 2012. The cause is the oil-control piston ring design, which can let oil pass into the combustion chamber. Consumption of a litre per 1,000 km or worse has been reported.
Signs of the problem:
- The owner tops up oil between services, sometimes every few hundred kilometres.
- Blue smoke on start-up or after idling.
- Oily or fouled spark plugs and misfire codes.
- Heavy carbon deposits in the tailpipes and on the intake valves.
- A low-oil warning shortly after a service.
The Gen 2 engines also had timing-chain tensioner problems in early versions; a failed tensioner can let the chain jump and damage the engine. A cold-start rattle is a warning sign.
Gen 3 engines, introduced from around 2012–2013, used redesigned pistons and are much less affected. The B9's 2.0 TFSI is a different, later design.
Did Audi fix the problem with new pistons?
Yes. The usual fix for oil-burning Gen 2 TFSI engines is new pistons with revised rings, and Audi carried out such repairs, often as goodwill, in many markets. Many workshops also replace the crankcase ventilation and related parts at the same time.
What this means for you:
- A documented piston replacement is good news. It makes the car more attractive, because the main weakness has been dealt with.
- No records and high consumption means an expensive repair. It involves removing the pistons, which is a major job.
- Ask for the oil-consumption test. Workshops often measured consumption over a set distance before approving a repair; the result shows how bad it was.
How do I test a TFSI for oil consumption at auction?
You cannot measure oil consumption properly at an auction, but you can collect enough evidence to decide how much risk to price in. Combine the history, the condition report, photos and a diagnostic scan.
- History. Look for oil top-ups between services, a piston repair or an oil-consumption test.
- Oil level. Ask for a photo of the dipstick or the oil level display. A car presented with fresh oil tells you little; one with low oil tells you a lot.
- Exhaust. Ask for a photo of the tailpipes. Oily black deposits are a warning sign.
- Spark plugs and misfires. Read the fault memory for misfire codes and ask about recent plug changes.
- Cold start video. Look for blue smoke and listen for chain rattle.
- Price the worst case. If the evidence is unclear, deduct the cost of new pistons, or bid only on Gen 3 and B9 engines.
Our guide to auction condition reports explains what a typical report covers and where you need more information. If the car shows an engine warning, read our article on engine management lights on used cars.
How the market prices petrol A4s
The market prices petrol A4s on age, mileage and engine, and early B8 TFSI cars now sell at budget levels where a piston repair has a big effect on your margin. According to listings tracked by MyCarDealer in Germany, the Netherlands, Belgium, Italy, Poland, France, Austria and Spain in October 2026:
| A4 petrol, model years | Listings | Median asking price | Median mileage |
|---|---|---|---|
| 2009–2015 (B8) | 467 | €7,450 | 189,000 km |
| 2016–2020 (B9) | 561 | €18,400 | 118,000 km |
The Netherlands is the biggest market for petrol A4s: 244 of the B8 listings (median €7,450) and 192 of the B9 listings (median €17,750) were Dutch. In Germany, 212 B9 petrols had a median of €18,900; in Belgium, 94 cars a median of €16,450.
On a B8 petrol worth around €7,000, a piston repair can wipe out the margin completely. On a B9 worth €18,000, an engine problem is rarer, and the main checks are service history, the timing belt on the 1.4 and the gearbox.
Is the A4 2.0T reliable overall?
The A4 2.0T (as the 2.0 TFSI is often called) is reliable in its later versions and risky in its early Gen 2 form. A B9 2.0 TFSI or a facelifted B8 with a Gen 3 engine and full history is good stock; an early B8 2.0T without proof of a piston repair needs a lower bid.
MyCarDealer shows the market price of the same generation, engine and year in your country and the margin after VAT, transport and preparation, so you can see whether a petrol A4 still makes money after a possible engine repair. Start with a free valuation, and see our A4 reliability overview for the diesel engines and gearboxes.
Frequently asked questions
Audi A4 1.4 TFSI reliability: is it a good engine?
Yes. The 150 hp 1.4 TFSI in the B9 has no widespread serious fault. Check the timing belt interval, coolant leaks and the gearbox, and it makes sensible stock for private buyers.
Which 2.0 TFSI engines burn oil?
The EA888 Gen 2 1.8 and 2.0 TFSI engines in B8 A4s built up to around 2012 are the ones known for oil consumption. Later Gen 3 engines and B9 engines are much less affected.
How do I test a TFSI for oil consumption at auction?
Check the history for top-ups or piston repairs, look at the oil level, ask for tailpipe photos and a cold-start video and read the fault memory for misfires. If the evidence is unclear, deduct the cost of a repair.
Did Audi fix the TFSI oil consumption problem?
Yes. The fix is new pistons with revised rings, and later Gen 3 engines used a redesigned piston. A documented piston replacement makes an early B8 petrol a much safer buy.
Is the Audi A4 2.0 TFSI reliable?
Later 2.0 TFSI engines in the facelifted B8 and the B9 are reliable. Early B8 versions up to about 2012 can burn oil and suffer chain-tensioner problems, so check them carefully.