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Used Audi A4 in stock

Looking for a used Audi A4? Browse the current selection and compare prices, mileage, year of manufacture, engines, gearboxes and equipment. See each vehicle’s details for more information.

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How to choose a used Audi A4

These six tips will help you choose a suitable used Audi A4 and prepare for a viewing.

  • Service history

    Ask for the service records and check that they match the car’s mileage and age. Ask about repairs carried out, parts replaced and the paperwork for them. If records are missing or contradict each other, have the car thoroughly inspected before you buy.

  • Body style and space

    Decide whether a saloon will be enough or whether you need the Avant estate or the taller allroad quattro. For a specific car, try loading the boot and folding down the rear seat backs, and check the space in the rear seats and how easy it is to get in.

  • Engine

    Depending on your annual mileage and the length of your journeys, consider whether a diesel or a petrol engine suits you better. On the test drive, check the cold start, how smoothly the engine runs and how evenly it pulls; with a mild hybrid version, also check that the engine switches off and restarts smoothly when you stop and pull away.

  • Gearbox and drive

    Try pulling away, low-speed manoeuvring and reversing, check how smoothly the car changes gear and watch for any messages on the display. On a car with quattro drive, check that the tyres on all wheels match, and listen when cornering to make sure the drive system works without noise or vibration.

  • Equipment

    Compare the actual equipment of the specific car, not just the name of the trim line. Try out the infotainment, navigation, phone connection, air conditioning, headlights and driver assistance systems.

  • Condition and inspection

    Check the bodywork, paint, glass, tyres, brakes, suspension and interior. On an estate, look for wear in the boot; on an allroad, also check the underside of the car. For available cars, you can book a test drive on the vehicle details page; if you cannot come in person, you can view the car live on video.

Audi A4: generation, body styles and engines

An overview of the Audi A4 B9 generation and its 2019 update. Always check the details of a specific car in its documents.

The B9 generation and the 2019 update

The Audi A4 succeeded the Audi 80 in 1994/95, and Audi designates its generations internally with the letter B and a number. The B9 is the fifth generation of the A4; the previous generation was the B8.

Audi began gradually launching the new generation of the A4 Sedan and A4 Avant in November 2015. It presented the A4 allroad quattro at the Detroit motor show in 2016.

In 2019 the A4 received a major update with design changes, MMI touch operation and a wider use of mild hybrids. In 2024 the Audi A5 replaced the A4 model range.

Body styles

  • A4 Sedan
  • A4 Avant (estate)
  • A4 allroad quattro
  • A4 Avant g-tron running on natural gas, offered until 2023 according to the Audi archive

Engines and gearboxes after the 2019 update

On the A4, the TDI designation was used for forced-induction diesel engines and TFSI for forced-induction petrol engines. When the update was launched, five engines had a 12V mild hybrid system; Audi announced that it would be introduced gradually on other versions.

When the update was launched on the European market, most engines used the seven-speed S tronic dual-clutch gearbox. The eight-speed tiptronic with a torque converter was reserved for the six-cylinder 45 TDI. Audi announced that a six-speed manual gearbox for the entry-level petrol version would follow only after the market launch.

The 35 TFSI, 40 TFSI, 30 TDI and 35 TDI versions with the S tronic gearbox had front-wheel drive. The 45 TFSI came with quattro with ultra technology as standard, which engages all-wheel drive when needed; the 45 TDI had permanent quattro drive with a self-locking centre differential.

Frequently asked questions about a used Audi A4

How can I tell whether a car is a B8 or a B9?

The year of manufacture alone may not be enough: in 2015 Audi delivered cars of both the previous and the new generation to customers. Check the generation of a specific car using its VIN and documents.

What is the difference between the A4 Avant and the A4 allroad quattro?

After the 2019 update, the A4 allroad quattro came with quattro drive as standard, 35 mm more ground clearance than the A4 Avant, a more rugged look and underbody protection.

What do the numbers 30, 35 and 40 mean on the Audi A4 TDI?

The number does not indicate the engine size: on the A4 after the 2019 update, the 30, 35 and 40 TDI versions all had a two-litre engine with 100, 120 and 140 kW respectively. You can find the exact power output of a specific car in its vehicle registration document.

Are the S4 and RS 4 regular versions of the A4?

No. The S4 and RS 4 are sports models derived from the A4 with their own designations. After the 2019 update, the S4 Sedan and S4 Avant had a 3.0 TDI engine with an output of 255 kW.

Sources

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