Running costs
Audi A4 running costs: what UK ownership really costs
Audi A4 UK running costs: fuel or electric, insurance group, road tax, servicing and depreciation.
Updated 4th September 2026 DVSA data: Across 241,912 recorded MOT tests, 22.7% failed.

More on the Audi A4
Insurance groups vary from 22 to 40, while road tax falls into bands A to H. Servicing intervals are typically every 12 months or 10,000 miles, and depreciation is moderate, with values dropping by around 50% after three years.
Fuel and Electric Costs
The fuel economy of the Audi A4 is one of its strong points, especially for those considering long-term ownership. For those opting for the plug-in hybrid variant, the electric range can provide significant savings on fuel costs, especially for short commutes. Charging costs will depend on local electricity rates, but the ability to drive on electric power alone can greatly reduce overall fuel expenditure.
Regular fuel prices in the UK fluctuate, but diesel tends to be more economical for higher mileage drivers. The A4’s efficient engines also mean fewer visits to the petrol station, which can be a significant factor in overall running costs.
Insurance Groups
Insurance costs for the Audi A4 can vary considerably based on the model and engine choice. The A4 falls into insurance groups ranging from 22 to 40, with the lower groups typically associated with less powerful engines and fewer luxury features. For example, the entry-level models are generally more affordable to insure, while high-performance variants like the S4 can attract much higher premiums.
When considering insurance, it is essential to shop around and compare quotes from various providers. Factors such as your driving history, location, and even the security features of the car can influence insurance costs. The Audi A4 is often regarded as a safe and reliable vehicle, which can help in securing lower insurance rates.
Road Tax Bands
The Audi A4’s road tax is determined by its CO2 emissions, placing it in various tax bands from A to H. Lower-emission models, particularly the diesel variants, can benefit from lower annual tax costs, while higher-performance petrol engines may fall into the higher tax brackets. For instance, models emitting less than 100g/km of CO2 can enjoy tax-free status in the first year, while those above this threshold will incur higher fees.
It is important to note that road tax rates can change annually, and new regulations may come into play that affect future costs. Checking the latest emissions data and tax bands is advisable when considering the total cost of ownership for the Audi A4.
Servicing Intervals
The Audi A4 is designed for regular maintenance to ensure optimal performance and longevity. Typically, servicing is recommended every 12 months or after 10,000 miles, whichever comes first. This schedule allows for routine checks and necessary replacements, such as oil changes, brake inspections, and tyre rotations.
Audi also offers a service plan that can help spread the cost of maintenance over a fixed period, providing peace of mind for owners. Keeping up with servicing not only helps maintain the vehicle’s performance but can also enhance resale value, as a full service history is often a key selling point.
Typical Depreciation
Depreciation is a significant factor to consider when assessing the total ownership costs of an Audi A4. On average, you can expect the A4 to lose about 50% of its value after three years, which is typical for premium vehicles in its class. The rate of depreciation can vary based on factors such as model popularity, condition, and mileage.
Choosing a well-specced model with desirable features can help mitigate depreciation. Regular maintenance and care can also play a crucial role in preserving the vehicle’s condition and resale potential.
Conclusion
The Audi A4 is a well-rounded vehicle that offers reasonable running costs for a premium car. With competitive fuel efficiency, manageable insurance groups, and a structured servicing schedule, it presents an attractive option for those looking to balance performance and cost. Understanding the total ownership costs, including road tax and depreciation, can help potential buyers make an informed decision.
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 average fuel costs for an Audi A4?
The fuel costs for an Audi A4 can vary based on the engine type and driving habits. Generally, you can expect to spend a reasonable amount on fuel, especially with the more efficient diesel models.
How much should I budget for insurance on an Audi A4?
Insurance costs for an Audi A4 depend on factors like your driving history and location. On average, you might find insurance premiums to be moderate, but it's best to compare quotes from different providers.
What are the typical maintenance costs for an Audi A4?
Maintenance costs for an Audi A4 can be higher than average due to its premium status. Regular servicing and parts can add up, so it's wise to factor in these costs when budgeting.
Are there any common issues that affect running costs?
Some Audi A4 models may experience issues with electrical systems or turbochargers, which can lead to increased repair costs. Regular maintenance can help mitigate these problems.
How does the Audi A4's depreciation compare to other cars?
The Audi A4 tends to depreciate at a moderate rate compared to other vehicles in its class. However, premium brands often hold their value better than mainstream models.
What are the road tax costs for an Audi A4?
Road tax for an Audi A4 varies based on the engine size and emissions. Generally, newer models with lower emissions may benefit from reduced tax rates.
Is it expensive to repair an Audi A4?
Repair costs for an Audi A4 can be on the higher side due to the brand's premium parts and labour rates. It's advisable to consider warranty options or service plans to help manage these expenses.
How does the Audi A4's fuel efficiency impact running costs?
Fuel efficiency plays a significant role in the overall running costs of an Audi A4. Models with better fuel economy will help reduce your fuel expenses over time.
Sources
- DVSA anonymised MOT tests and results (Open Government Licence v3.0)
- DVSA vehicle safety recalls (Open Government Licence v3.0)