Audi A1 Owners' Guide
FixMyCar provides key information about the Audi A1.
Ellie Dyer-Brown
Thursday June 26 2025
10 min read
The Audi A1 is the smallest model in the brand’s lineup, but it packs a big punch with a premium feel and sharp styling. Introduced in 2010 and now in its second generation, the A1 offers a compact, city-friendly footprint combined with high-quality interiors, smooth petrol engines and the kind of technology you'd normally associate with larger, more expensive Audis.
This owners’ guide compiles key information about your A1 in one convenient place, covering service intervals, recommended tyre pressures, and answers to frequently asked questions to help you keep your car running smoothly.
Audi A1 generations
Audi A1 Mk1 2010-2018
The original Audi A1 was launched in 2010 as a premium take on the small car. It was built in Brussels on the VW Polo/SEAT Ibiza PQ25 platform and was offered as a three‑door hatch initially, followed by the five‑door “Sportback” from 2012. Despite sharing foundations with the Polo, it felt more luxurious inside, with materials and switches lifted from Audi’s flagship A8.
One of the biggest selling points of the original A1 was that it was well-equipped from the beginning; even entry-level models had air conditioning, 15-inch alloys, a height-adjustable driver’s seat and electric front windows. A 6.5-inch infotainment screen was available on all models.
Body styles:
Three-door hatchback
Five-door hatchback
Key engine options:
1.0-litre 93bhp TFSI petrol
1.2-litre 84bhp TFSI petrol
1.4-litre 183bhp TFSI petrol
1.6-litre 104bhp TDI diesel
2.0-litre 141bhp TDI diesel
Audi A1 Mk2 2018-present
Debuting at the 2018 Paris Motor Show and reaching UK dealers in late 2018, the second‑generation A1 is built on VW’s MQB A0 platform (shared with the Mk6 Polo and Mk5 Ibiza) and is offered exclusively as a five-door Sportback. The design draws inspiration from the 1984 Sport Quattro rally car, as reflected in its angular lines.
The Standard SE trim includes LED headlights and rear lights, 15-inch alloys, heated door mirrors, an auto-dimming rearview mirror, an 8.8-inch dashboard display, Bluetooth and DAB radio.
Sport trim brings 16-inch alloys, Drive Select, sports seats, cruise control and parking sensors, while the S Line adds sport suspension, ambient lighting and part-leather seats. Vorsprung is the top-level trim, complete with a virtual cockpit and integrated satellite navigation.
Body styles:
Five-door hatchback
Key engine options:
1.0-litre 94bhp TFSI petrol
1.0-litre 115bhp TFSI petrol
1.5-litre 148bhp TFSI petrol
2.0-litre 197bhp TFSI petrol
Service intervals
Audi recommends a few different service regimes depending on your type of car. If you buy your vehicle from an Audi dealership, they will advise you on the most suitable option, and you can use the myAudi app to check when your next service is due.
Petrol, diesel and hybrid – flexible regime
Oil service based on fluid degradation up to a maximum of two years or 18,600 miles, whichever comes first.
Inspection service every 18,600 miles/two years.
Petrol, diesel and hybrid – fixed regime
Oil service every 9,300 miles/one year, whichever comes first.
Inspection service every 18,600 miles/two years
Used Audi A1 maintenance schedule
| Maintenance type | Replacement interval |
|---|---|
| Engine oil & filter | Every year or 12,000 miles, whichever comes first. |
| Brake fluid | Every two years regardless of mileage. |
| Brake system | Checked with annual service |
| Battery | Checked every 20,000 miles/two years. |
| Tyres | Checked with annual service |
Want to learn more about vehicle servicing? Check out the following guides:
Tyre pressure
What are the tyre pressures for an Audi A1?
The recommended tyre pressure varies depending on the spec and engine of your car. The table below shows tyre sizes and pressures listed for the A1 on TyrePressures.com.
However, you should always check this information before adjusting your tyres. You can find the correct pressures:
In your vehicle handbook/owner’s manual.
Printed on the sill of the driver’s door.
On the inside of the fuel tank cap.
Read our guide to tyre pressure for more information.
| A1 model year | Front tyre size | Front tyre pressure | Rear tyre size | Rear tyre pressure |
|---|---|---|---|---|
| 2025, 2024 | 215/45/R17 91 W | 40 PSI/2.8 BAR | 215/45/R17 91 W | 34 PSI/2.3 BAR |
| 2023, 2022, 2021, 2020, 2019 | 215/45/R17 91 W | 39 PSI/2.7 BAR | 215/45/R17 91 W | 36 PSI/2.5 BAR |
| 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010 | 215/45/R16 90 V | 32 PSI/2.2 BAR | 215/45/R16 90 V | 32 PSI/2.2 BAR |
How to reset an Audi A1 tyre pressure light
The reset method can vary depending on the model year and trim. If you’re unsure, consult your owner’s manual.
Mk1 models
Make sure your tyres are inflated to the correct pressure.
Switch the ignition on.
Press the ‘car’ button on the central dashboard controls.
There are four buttons surrounding the middle control dial. Press the bottom left one to select ‘systems’, shown in the bottom left of the infotainment screen.
Using the dial, scroll down until you reach ‘servicing and checks’.
Press the dial in to enter.
Navigate into ‘tyre pressure monitoring’, then ‘store tyre pressures’.
Select ‘yes, store now’ to confirm.
Mk2 models
Make sure your tyres are inflated to the correct pressure.
Press the home button on the central infotainment screen.
Next, enter the ‘car’ menu.
Press ‘settings and service’.
Choose ‘tyre pressure loss indicator’ from the menu options.
Press ‘store tyre pressures’, then ‘yes, store now’ to confirm.
Engine oil
It’s crucial to use the correct engine oil – find out why in this guide.
The recommended oil can vary between different engine configurations and depending on whether the car uses petrol or diesel. 5W-30 and 5W-40 are commonly used in the Polo.
Your owner’s manual will provide information about the right oil for your vehicle.
Volkswagen Group oil specifications
Audi is part of the Volkswagen Group, which uses its own set of oil specifications to ensure oils meet the precise needs of different engine types, emissions systems and service intervals.
| Spec | Viscosity range | Use case |
|---|---|---|
| VW 500 00 | 10W-40 | Older petrol engines (pre-2000), replaced by 502 00. |
| VW 501 01 | 10W-40 | For older petrol/diesel engines. |
| VW 502 00 | 5W-30/5W-40 | High-performance petrol engines. Widely used for many SEAT petrol models. |
| VW 504 00 | 5W-30 | Long-life service petrol engines. High quality. Used in most modern petrols. |
| VW 505 00 | 5W-40/10W-40 | Standard diesel engines (older, no DPF). |
| VW 507 00 | 5W-30 | Long-life service diesel engines with DPF. Modern diesels. |
| VW 508 00 / 509 00 | 0W-20 | Latest spec for ultra-efficient petrol/diesel engines (Euro 6). Used in many 1.0/1.5 TSI engines. |
What is the oil capacity of an Audi A1?
Oil capacity varies depending on the engine size and model year. The A1 requires between 3.0 and 5.7 litres of oil.
When topping up, remember to add oil gradually and check the dipstick to avoid overfilling. Too much oil puts more pressure on seals and gaskets and can lead to increased friction between parts.
Battery
The table below shows the battery requirements of Audi A1 engine variants using information from What Battery. The base hold-down is B13.
| Generation | Fuel type | Engine(s) | Battery type | Typical size (LxWxH, mm) | Voltage | Capacity (Ah) |
|---|---|---|---|---|---|---|
| Mk1 | Petrol (start-stop) | 1.2 TFSI | AGM | 242x175x190 | 12V | 60-62 |
| Mk1 | Petrol (start-stop) | 1.4 TFSI | AGM | 278x175x190 | 12V | 70-72 |
| Mk1 | Petrol (start-stop) | 2.0 TFSI Quattro | AGM | 315x175x190 | 12V | 80-82 |
| Mk1 | Diesel (start-stop) | 1.6 TDI/2.0 TDI | AGM | 278x175x190 | 12V | 70 |
Things to consider when choosing a battery for your Audi A1
Battery type – AGM and EFB are required for start-stop models.
Size – Match the dimensions and terminal layout to your current battery.
Specifications – Ampere hours (Ah) is a measure of capacity; cold cranking amps (CCA) indicate starting power.
Want to make your new battery last longer? Check out our maintenance tips in this guide.
Warning lights
Dashboard warning lights are triggered by the car’s electronic control unit (ECU) when a problem is detected. You can learn some information by looking at the shape and colour of the light, but for a detailed diagnosis, you’ll usually need to book a diagnostic test.
Red lights indicate a severe problem. You should stop driving and contact a mechanic.
Yellow lights are less urgent – you can continue driving to your destination, but you should book your car into a garage.
Learn more about car warning lights and what they mean in this guide.
Audi A1 warning lights you might not know
Audi pre-sense warning light
This light shows a car symbol in the centre of a circle with dashed lines. There is a warning triangle to the left of the car, marked with an exclamation point.
Audi’s pre-sense system detects when a crash is imminent and triggers specific safety features in advance. If the warning light comes on during everyday driving, there is an issue with one of the sensors.
Audi EPC warning light
The electronic power control warning light is easily recognised because it consists of letters – EPC - rather than symbols. The EPC system controls the fuel injectors, throttle, and other components that affect the engine’s performance. It’s common for both warning lights to be triggered by the same problem.
Spotted a warning light but don’t know what’s causing it? Don’t guess – book a diagnostic test!
Common problems
Our Audi A1 common problems guide covers this topic in detail, so here we'll just focus on two top issues.
1. Blocked DPF
Diesel particulate filters (DPFs) reduce the amount of harmful pollutants in exhaust gas.
Diesel A1s - particularly the 1.6 TDI - are prone to DPF problems when mainly driven in town. Short trips prevent full regeneration (the process where the filter cleans itself), leading to blockages and the dashboard warning light appearing.
Other signs to look out for include:
Blocked DPFs can be professionally cleaned, which often resolves the issue; however, if the blockage is too severe, the filter may need to be replaced, which is an expensive option. Fortunately, with a few simple changes, you can avoid DPF problems altogether – find out how in this guide.
2. Turbocharger issues
TFSI petrol engines in the A1 can experience turbocharger issues due to parts wearing out, resulting in black exhaust smoke, loss of power, and whistling noises from the turbo.
Additionally, some A1 owners have reported that the turbo actuators can seize due to corrosion in 1.0 and 1.2 TFSI engines. Fortunately, it’s possible to replace the actuators without replacing the whole turbo unit, which would be a much more costly job.
One of the most important things you can do to prolong the life of a turbocharger is to ensure your car undergoes regular oil changes. Old oil can cause the turbo to wear out more quickly because it fails to provide proper lubrication.
Need help diagnosing car problems? Check out the following guides for advice:
Top Audi A1 questions and topics
What insurance group is an Audi A1 in?
The Audi A1 falls into insurance groups 9 to 38.
2010-2018 models: 9 to 38
2018-present: 14 to 31
Examples:
1.2 TFSI SE 3d (2010-2018) - group 9
25 TFSI Sport 5dr S Tronic [Tech Pack Pro] (2018-present) - group 14
S Line Competition 40 TFSI 200PS S Tronic auto 5d (2018-present) - group 31
S1 Nav 2.0 TFSI 231PS Quattro 3d (2010-2018) - group 38
Learn more about car insurance and how to get it cheaper.
How to open the Audi A1 bonnet
Pull the bonnet release lever, usually located in the driver’s footwell near the doorframe.
Slide your fingers under the bonnet above the Audi badge to locate the second bonnet lever.
Push the lever and bonnet up at the same time.
Secure the bonnet in place.
Does the Audi A1 have heated seats?
The only A1 that comes with heated seats as standard is the range-topping Vorsprung model. You also get heated seats if you opt for the Technology Pack.
Does the Audi A1 have Apple CarPlay?
The Audi A1 supports Apple CarPlay, available as a standard feature or optional upgrade, depending on your model year and trim level.
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- Audi
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Ellie is FixMyCar's Content Manager. She has over three years of experience writing about cars and regularly collaborates with automotive experts to provide trustworthy advice for drivers that is easy understand. Her work has been featured in Yahoo! Finance, iNews, The Daily Express and The Sun. She has a BA in English literature and an MA in creative writing from Durham University. Outside of work, Ellie follows F1 and eagerly awaits Ferrari's next era of dominance in the sport. She drives a Suzuki Swift.