Top fixes

Audi A5 top fixes: how owners handle the common issues

Practical fixes for the common Audi A5 faults owners run into.

Updated 4th September 2026 DVSA data: Across 125,503 recorded MOT tests, 19.4% failed.

Audi A5
Image via Wikipedia, CC-licensed.

The Audi A5 is a stylish and reliable vehicle, but like any car, it can experience issues over time. Common problems include electrical faults, suspension wear, and engine performance concerns. Fortunately, many of these issues have practical fixes that can help owners maintain their vehicles effectively.

Electrical System Failures

Electrical problems are among the most frequently reported issues with the Audi A5. Owners often experience intermittent faults with dashboard lights, central locking, and infotainment systems.

To address these issues, start by checking the battery and connections. Corroded terminals or a weak battery can lead to various electrical malfunctions. If the battery is in good condition, inspect the fuses and wiring for any signs of damage. A diagnostic scan can also identify specific fault codes, helping to pinpoint the problem more accurately.

Suspension Wear and Tear

Suspension issues can affect the comfort and handling of the Audi A5. Owners may notice unusual noises, a bumpy ride, or uneven tyre wear, which often indicates worn components such as shock absorbers or bushings.

Regular inspections of the suspension system can help catch these problems early. If you notice any signs of wear, replacing the affected parts promptly can prevent further damage and costly repairs. Upgrading to performance suspension components can also enhance the vehicle’s handling and ride quality.

Engine Performance Concerns

Some Audi A5 owners report engine performance issues, such as poor acceleration, rough idling, or increased fuel consumption. These problems can often be traced back to issues with the fuel system, air intake, or engine management.

Start by checking the air filter and fuel filter, as a clogged filter can restrict airflow and fuel delivery. Additionally, ensure that the spark plugs are in good condition, as worn plugs can lead to misfires and reduced performance. Regular servicing, including oil changes and software updates for the engine control unit, can also help maintain optimal performance.

Transmission Problems

Transmission issues can be a significant concern for Audi A5 owners, particularly with automatic gearboxes. Symptoms may include slipping gears, delayed shifts, or unusual noises when changing gears.

If you experience these issues, the first step is to check the transmission fluid level and condition. Low or dirty fluid can lead to poor shifting performance. If the fluid is fine, a professional diagnostic may be necessary to identify any underlying faults, such as a failing solenoid or sensor. Regular transmission fluid changes can also help prolong the life of the gearbox.

Brake System Concerns

The brake system is crucial for safety, and Audi A5 owners may encounter issues such as squeaking brakes, a spongy pedal, or warning lights. These problems can stem from worn brake pads, damaged rotors, or air in the brake lines.

To address brake concerns, start with a thorough inspection of the brake components. Replacing worn pads and resurfacing or replacing rotors can restore braking performance. If the brake pedal feels spongy, it may indicate air in the lines, which can be resolved by bleeding the brakes. Regular brake maintenance is essential for safe driving.

Cooling System Failures

Cooling system failures can lead to overheating and engine damage, making it a critical area for Audi A5 owners to monitor. Common signs include coolant leaks, fluctuating temperature gauges, or steam from the engine bay.

Begin by checking the coolant level and inspecting for leaks around hoses and the radiator. If you notice any leaks, replacing the affected components is crucial. Additionally, ensure that the thermostat is functioning correctly, as a faulty thermostat can disrupt the cooling process. Regular coolant changes can also help maintain the system’s efficiency.

By addressing these common issues with practical fixes, Audi A5 owners can enhance their driving experience and prolong the life of their vehicles. Regular maintenance and timely repairs are key to keeping your Audi A5 in top condition.

Audi A5 recall record

20 recalls have been issued for the Audi A5, between 2014 and 2025.

  1. Stop-drive TAKATA PSAN

    R/2025/387

    Issued 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 Jul 2009 to Jul 2011

  2. Replacing rear seat backrest

    R/2025/110

    Issued 19 March 2025

    The rear seat backrest may not comply with crash safety requirements due to an inadequate weld joint. This means that there is an increased risk of rear seat passengers being injured in the event of a frontal collision if heavy loads are being transported in the luggage compartment. Until the repair has been performed we request that you do not transport any heavy loads in the luggage compartment.

    Remedy:For safety reasons it is necessary to replace the right rear seat backrest.

    Affects cars built Nov 2024 to Jan 2025

  3. 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/2023/052

    Issued 6 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 driver side.

    Affects cars built Sept 2009 to Mar 2010

  4. FOLLOWING A PREVIOUS CAMPAIGN THE TOE AND/OR CAMBER VALUES ON THE REAR AXLE MAY IN CERTAIN CIRCUMSTANCES INCORRECTLY BE CHANGED WITHOUT THIS BEING NOTICED

    R/2022/036

    Issued 14 February 2022

    Following a previous campaign the toe and/or camber values on the rear axle may in certain circumstances incorrectly be changed without this being noticed.

    Remedy:The wheel alignment must be checked and if necessary the suspension must be serviced on the affected vehicles.

    Affects cars built Nov 2019 to Feb 2021

16 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 A5 MOT record

From 125,503 recorded MOT tests, 19.4% failed.

MOT pass and failure rates by year of first registration
RegisteredTestsFailedMedian mileage
20232186.4%27,068 mi
20224,3439.3%27,504 mi
20215,19010.6%34,542 mi
20204,73511.6%41,507 mi
20199,71614.6%47,998 mi
201811,26016.9%57,267 mi
201713,66018.1%68,286 mi
20168,21318.3%77,264 mi

Most common reasons for failure

  1. Tyre tread depth not in accordance with the requirements31.6%
  2. A suspension pin, bush or joint excessively worn26.4%
  3. A tyre seriously damaged18.5%
  4. A spring or spring component fractured or seriously weakened12.0%
  5. a brake lining or pad worn below 1.5mm11.5%

Figures cover every Audi A5 tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.

Audi A5 official figures

Median across 26 variants on sale, diesel, diesel electric, electricity / petrol, petrol, petrol electric.

Combined economy
41.5 mpg
WLTP median across variants
CO2 emissions
154.5 g/km
Sets the first-year tax rate

Official figures for new cars. Real economy varies with driving, load and conditions.

Frequently asked questions

What are common issues with the Audi A5?

Common issues with the Audi A5 include electrical problems, oil leaks, and issues with the turbocharger. Regular maintenance can help prevent these problems.

How can I tell if my Audi A5 needs a fix?

Signs that your Audi A5 may need a fix include warning lights on the dashboard, unusual noises, or changes in performance. If you notice any of these, it's best to get it checked.

What should I do if my Audi A5 has an oil leak?

If you suspect an oil leak, check the oil level and look for any visible signs of oil on the ground. It's advisable to take your car to a mechanic for a thorough inspection.

Are there any recalls for the Audi A5?

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.

How often should I service my Audi A5?

It is recommended to service your Audi A5 every 10,000 miles or annually, whichever comes first. Regular servicing helps maintain performance and prevents costly repairs.

What are the signs of a failing turbocharger in an Audi A5?

Signs of a failing turbocharger include a loss of power, unusual noises, and excessive exhaust smoke. If you notice these symptoms, it's important to have it inspected as soon as possible.

Can I fix minor issues on my Audi A5 myself?

Some minor issues, like changing a bulb or replacing wiper blades, can be done yourself if you have the right tools. However, for more complex problems, it's best to consult a professional.

How can I find a reliable mechanic for my Audi A5?

To find a reliable mechanic for your Audi A5, ask for recommendations from friends or check online reviews. Look for garages that specialise in Audi vehicles for the best service.

Sources