2015 Audi A4 problems
Light NHTSA footprint — 44 owner complaints. Either a clean record or thin data; we'll show what's there.
The 2015 Audi A4 has 44 NHTSA owner complaints on file (U.S. federal records, as of July 2026). The most-reported system is engine at 17 complaints, typically surfacing around 65,710 miles (~$3,100 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2012 A4 | 26 | 0 |
| 2013 A4 | 109 | 0 |
| 2014 A4 | 75 | 0 |
| 2015 A4 (this page) | 44 | 0 |
| 2016 A4 | 25 | 0 |
| 2017 A4 | 81 | 0 |
| 2018 A4 | 42 | 0 |
Solid reliability overall. Common issues are concentrated in a few systems.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 8.2/10 — above the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Buying a used 2015 Audi A4? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.
What to inspect on this specific car
- engine — 17 owner reports · tends to show around 65,710 mi · ~$3,100 to fix
- electrical — 6 owner reports · tends to show around 86,348 mi · ~$850 to fix
- powertrain — 6 owner reports · tends to show around 13,875 mi · ~$2,500 to fix
- airbags — 4 owner reports · tends to show around 30,950 mi · ~$1,100 to fix
⚠ The one to take seriously: electrical is flagged severe on this model , showing up around 86,348 mi. Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — no active recalls on this model right now, but confirm none were opened after this car was built.
Verdict for buyers: 8.2/10 model. The priciest documented failure is engine (~$3,100) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.
See the full pre-purchase inspection checklist →Ask anything about your 2015 Audi A4
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
Top trouble spots 5 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
I have noticed at times when the vehicle in put into reverse gear the vehicle intermittanly fails to move
The car burns too much oil, need to add 1 quart every 700-1000 miles. There is no leak but the oil burns and you can see the exhaust pipes are black. It seems this was a problem in 2011 4 cylinder audis and it was addressed by Audi.
The contact owns a 2015 Audi A4. The contact stated that when the vehicle was started, the coolant warning light illuminated. The vehicle was turned off and restarted after 20 minutes, and the coolant warning light was no longer illuminated. The vehicle was not diagnosed or…
I was driving 65mph on the freeway when another car swerved and crashed into the passenger side of my car, then sending me into the cement dividing wall on the driver's side at 65mph. Both sides of my car, and the front of my car were badly damaged. It was a very violent crash…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2015 Audi A4 reliable?
Mostly yes. With a reliability score of 8.2 out of 10 based on 44 owner complaints filed with NHTSA, the 2015 Audi A4 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2015 Audi A4?
On the NHTSA data, the 2015 Audi A4 does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.2/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2015 Audi A4?
Inspect the engine first — it's the most-reported issue on this model, with 17 owner complaints filed. Typical failure occurs around 65,710 miles. Average repair cost runs about $3,100 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2015 Audi A4 a good used car to buy?
It scores 8.2 out of 10 on our NHTSA-based read of 44 owner complaints. The main thing to watch is engine. Typical failure occurs around 65,710 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
What's the most common problem on the 2015 Audi A4?
Based on NHTSA records, the most-reported issue is engine, with 17 complaints filed. Typical failure occurs around 65,710 miles. Average repair cost runs about $3,100 at an independent shop.
What's the most expensive thing that goes wrong?
The engine is one of the costlier repair items. Average repair cost runs about $3,100 at an independent shop. Typical failure occurs around 65,710 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Audi A4 has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2015 Audi A4?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 44 complaints on file and the costliest repair averaging $3,100, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.