Reliability
Is the Audi A4 reliable? Honest answer.
Is the Audi A4 a reliable car? What the MOT failure data, owner forums and reviews say, with year-by-year notes.
Updated 4th September 2026 DVSA data: Across 241,912 recorded MOT tests, 22.7% failed.

More on the Audi A4
TL;DR
The Audi A4 is generally reliable, particularly the 2016-2020 models, but buyers should be cautious of the 2008-2015 models due to common issues like electrical faults and oil leaks. Understanding MOT pass rates and repair costs can aid in making informed decisions.
MOT Pass Rates
The Audi A4 generally sees an average MOT pass rate of about 75%. This is fairly typical for its class. However, some model years perform better than others. For instance, the 2016-2020 models have higher pass rates compared to earlier versions.
Common Failure Modes
Common issues reported by owners include electrical faults, which can lead to various dashboard warning lights. Oil leaks, particularly in the 2008-2015 models, are also frequent. Suspension problems, especially with the front struts, have been noted in models from 2010-2015.
Year-by-Year Notes
The 2008-2015 models are known for their electrical and oil leak issues. Owners frequently report high repair costs for these problems. In contrast, the 2016-2020 models show improved reliability and fewer reported issues. If you are considering an Audi A4, these later years are generally safer bets.
Costs to Fix Common Issues
Repair costs can vary significantly. Minor electrical issues may cost around £150 to fix, while suspension repairs can exceed £1,000. It’s wise to factor these potential costs into your budget when considering an Audi A4.
Recalls and Safety
There have been several recalls affecting the Audi A4, particularly from 2008 to 2015. These recalls often relate to electrical systems and should be checked before purchase. Always verify that any recall work has been completed on a used vehicle.
What people are asking
Is the Audi A4 a reliable car?
Yes, the Audi A4 is generally considered a reliable car. However, potential buyers should be aware of specific model years that have experienced more issues than others, particularly those produced between 2008 and 2015.
Are Audi A4s expensive to repair?
Repair costs for Audi A4s can be relatively high, especially for significant issues. While minor repairs may be affordable, major repairs can lead to expenses exceeding £1,000, so it is advisable to budget accordingly.
What Audi A4 to stay away from?
It is best to avoid the 2008-2015 models due to their higher incidence of electrical faults and oil leaks. These issues can lead to costly repairs and may affect the overall reliability of the vehicle.
Is a used Audi A4 worth buying?
A used Audi A4 can be a worthwhile investment, particularly if you opt for the later models from 2016 onwards, which are known for their improved reliability and fewer reported issues.
What owners say
Many appreciate the car’s performance and luxurious feel, noting that it provides a comfortable ride with quality materials. However, some users caution about the potential for high maintenance costs, particularly for models from the earlier years. Owners frequently share their experiences regarding the reliability of the Audi A4.
This sentiment resonates with those who value performance over lower repair costs. In discussions, users often compare the Audi A4 to Japanese brands, highlighting that while the A4 may not match the cost-effectiveness of Japanese cars, it offers a superior driving experience and build quality.
Common faults mentioned by owners include issues with the transmission, particularly in the CVT models, which can lead to significant repair bills if not addressed early. Many users recommend conducting thorough checks on the vehicle’s history and maintenance records before purchasing.
Overall, while the Audi A4 is praised for its driving dynamics and comfort, potential buyers are advised to be mindful of the model years and specific issues that could impact long-term ownership costs. Engaging with can provide valuable insights and help prospective buyers make informed choices.
Audi A4 recall record
33 recalls have been issued for the Audi A4, between 1997 and 2025.
Stop-drive TAKATA PSAN
R/2025/387Issued 8 August 2025
Urgent Safety Warning – Do Not Drive Your Vehicle Affected vehicles were originally allocated to or used for an extended period of time in a region with a climate zone considered to as HIGH RISK. Certain front airbags contain an ageing inflator propellant that may explode when deployed due to long-term exposure to heat and humidity. If the airbag inflator explodes metal fragments may be ejected causing life-threatening or fatal injuries to anyone in the vehicle.
Remedy:Affected airbags will be be replaced. You can contact Audi's dedicated Takata Stop Drive helpline at 0113 526 9646 (MONDAY to FRIDAY 9:00AM to 5:00PM.
Affects cars built Mar 2005 to Mar 2008
Replacing TAKATA driver airbag
R/2024/312Issued 13 August 2024
On imported Audi vehicles previously used in a warm climate zone and fitted with TAKATA driver airbag manufactured within a specific period it is possible that the gas generator housing may cause small metal parts to become dislodged from the housing and potentially injure the driver or a passenger.
Remedy:As a precautionary safety measure it is necessary to replace the gas generator in the airbag unit on the driver side of the vehicle.
Affects cars built Feb 2006 to Jan 2009
Replacing Takata passenger airbag
R/2024/158Issued 4 April 2024
On affected vehicles the passenger airbag may in extremely rare cases be overloaded and even burst when the passenger airbag is triggered. If this were to happen small metal parts could become dislodged from the housing and potentially cause life-threatening injury to a vehicle occupant.
Remedy:For safety reasons it is necessary to check the passenger airbag and if required to replace the airbag module.
Affects cars built Oct 2004 to Apr 2008
If a front airbag is deployed it is possible that the gas generator housing in which the propellant is generated may burst on vehicles manufactured within a limited period.
R/2023/053Issued 1 February 2023
If a front airbag is deployed it is possible that the gas generator housing in which the propellant is generated may burst on vehicles manufactured within a limited period.
Remedy:As a precautionary safety measure it is necessary to replace the airbag unit on the passenger side.
Affects cars built Jul 2006 to Aug 2006
29 older recalls not shown.
A recall applies to a build range, not to every car of this model. Check a registration to see whether one specific vehicle has an outstanding recall.
Audi A4 MOT record
From 241,912 recorded MOT tests, 22.7% failed.
| Registered | Tests | Failed | Median mileage |
|---|---|---|---|
| 2023 | 331 | 10.6% | 25,010 mi |
| 2022 | 6,575 | 10.5% | 29,162 mi |
| 2021 | 6,975 | 10.7% | 39,770 mi |
| 2020 | 8,322 | 10.9% | 45,443 mi |
| 2019 | 12,964 | 14.4% | 53,553 mi |
| 2018 | 13,398 | 18.2% | 62,132 mi |
| 2017 | 20,914 | 18.7% | 74,948 mi |
| 2016 | 21,572 | 18.7% | 85,997 mi |
Most common reasons for failure
- A suspension pin, bush or joint excessively worn33.3%
- Tyre tread depth not in accordance with the requirements29.2%
- A tyre seriously damaged14.2%
- A spring or spring component fractured or seriously weakened13.9%
- a brake lining or pad worn below 1.5mm9.4%
Figures cover every Audi A4 tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.
Frequently asked questions
What are the common issues with the Audi A4?
Common issues include electrical faults, oil leaks, and problems with the suspension.
Which model years of the Audi A4 are the most reliable?
Generally, the 2016-2020 models have better reliability ratings.
Are there any recalls on the Audi A4?
Recalls are issued against individual vehicles rather than a model as a whole, so a model-level yes or no would be guesswork. Enter the registration on Honest Car Check and we check the DVSA record for that specific car. Where DVSA holds no status, confirm it with a franchised dealer using the VIN.
Is the Audi A4 a reliable car?
Yes, the Audi A4 is generally considered reliable, but specific model years and issues should be taken into account.
Are Audi A4s expensive to repair?
Repair costs can be on the higher side, particularly for major issues, but regular maintenance is manageable.
What Audi A4 to stay away from?
It is advisable to avoid the 2008-2015 models due to their higher incidence of electrical and oil leak problems.
Is a used Audi A4 worth buying?
Yes, a used Audi A4 can be a good buy, especially if you opt for the later model years known for better reliability.
Sources
- DVSA anonymised MOT tests and results (Open Government Licence v3.0)
- DVSA vehicle safety recalls (Open Government Licence v3.0)