Plan d’maintenance Audi S4 (B8)
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📖Audi S4 B8: a very fast saloon with a supercharged V6, impressive only when engine, S tronic and chassis care are genuinely strong

Audi S4 (B8) (2009-2011)

From `2009` to `2011`, the `S4 B8` changes recipe and moves to the supercharged `3.0 TFSI`, with real ability to go very quickly without giving up day-to-day usability. Against a BMW 3 Series, it offers a very modern compromise for its time: strong performance, `quattro`, discreet presentation and genuine ease of use. On the used market it remains tempting, but it needs a clear mechanical file rather than just a good first impression on a test drive.

The core subject is the `EA837` `3.0 TFSI V6` in `CAKA` or `CCBA` form, with a `6-speed` manual or `S tronic` depending on version. The engine can be very convincing, but you need to read cooling seriously: water pump, thermostat, `PCV`, ignition, oil-service quality and the health of the supercharger system. On the transmission side, the `S tronic` and any sport differential need a proper evaluation, not just a short trip around the block.

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Owner notes

The reassuring points, known weak spots and deadlines you should not let slip.

Reassuring points

Reliability
  • The `S4 B8` offers an excellent compromise between genuine performance and fast-saloon everyday use.
  • The supercharged `3.0 TFSI` can be very convincing if cooling and servicing have kept up.
  • A `6-speed` manual or `S tronic`, `quattro` and any sport differential give the car real depth on the road.
  • A healthy, well-followed and lightly modified car remains a very strong gateway into modern Audi `S` models.

Chronic weak spots

Keep an eye on
  • Check the water pump, thermostat, radiators, expansion tank and temperature stability of the `3.0 TFSI`, especially after slow then harder driving.
  • Read the `EA837` through idle quality, ignition, `PCV`, oil consumption, smells, fluid traces and the regularity of the supercharger system.
  • Inspect the `S tronic` from cold, in manoeuvres and under heavy acceleration, or the manual gearbox and clutch depending on the car.
  • Watch the driveline, the `quattro` system, any sport differential and the consistency of all four tyres.
  • Inspect the front axle, damping, brakes and any signs of a car that was tuned or maintained too lightly.

Critical deadlines

Do not miss
  • Do not delay cooling, `PCV` or ignition work on the `3.0 TFSI`.
  • Treat any `S tronic`, differential or driveline vibration symptom quickly before it worsens.
  • Refresh brakes, tyres, suspension and alignment as soon as wear or float appears.
  • Keep a clear record of oil changes, engine parts and any existing mapping or hardware changes.

Fréquences d'maintenance recommandées

Repères d’entretien pour les versions thermiques. Les périodicités exactes varient selon le moteur et l’année.

Oil change

Every 15 000 km

Tous les 1 an

Service

Every 15 000 km

Tous les 1 an

Brake pads

Every 30 000 km

Tous les 2 ans

Poids ou puissance élevés : usure des number platettes accélérée sur certaines versions

Timing belt / chain

Every 100 000 km

Tous les 5 ans

Battery (12 V)

Every 50 000 km

Tous les 4 ans

Powertrains and average consumption

Average consumption from manufacturer data for the versions available in this generation.

Motorisations thermiques

Versions essence, diesel ou GPL. Les intervalles affichés couvrent les opérations mécaniques classiques.

Estimated average budget

Premium cost

L'maintenance d'une Audi S4 (B8) se situe environ 55% au-dessus de la moyenne du marché (positionnement premium).

Vidange simple~165
Révision complète~485
Freins avant (Plaquettes)~210
Kit distribution~885
Pneus (les 4)~495

* Indicative estimates for parts and labour.

Frequently asked questions about Audi S4 (B8)

Quel est le plan d’maintenance d’une Audi S4 (B8) ?
Pour une Audi S4 (B8), le plan d’maintenance part d’une service tous les 15 000 km ou 1 an : oil change si concernée, freins, tyres, MOT et suivi du carnet constructeur.
Quelle est la périodicité d’maintenance d’une Audi S4 (B8) ?
La périodicité d’maintenance d’une Audi S4 (B8) dépend de la motorisation, de l’année et de l’usage. Selon le profil moteur (thermique : 2), adaptez les échéances au carnet constructeur et à vos trajets.
Où trouver le programme d’maintenance constructeur pour une Audi S4 (B8) ?
Le programme d’entretien constructeur de la Audi S4 (B8) se trouve dans le carnet constructeur, l’espace client de la marque ou auprès du réseau Audi. Garajo vous aide ensuite à suivre ces échéances dans un carnet numérique.
What are the common problems on the S4 (B8)?
S4 (B8) owners should especially watch: The water pump, thermostat, radiators, expansion tank and temperature stability of the `3.0 TFSI`, especially after slow then harder driving. Read the `EA837` through idle quality, ignition, `PCV`, oil consumption, smells, fluid traces and the regularity of the supercharger system. Garajo includes these watch points so you can act early.
Quand remplacer la courroie de distribution sur une S4 (B8) ?
The timing belt is usually replaced every 100 000 km or 5 ans on this type of engine.
Où trouver le service book de la Audi S4 (B8) ?
Garajo propose un digital service book free, toujours à jour, avec rappels et historique détaillé pour votre Audi S4 (B8).
Combien coûte l'maintenance d'une Audi S4 (B8) ?
Le budget d'maintenance d'une Audi S4 (B8) se situe environ 55% au-dessus de la moyenne du marché (positionnement premium). Comptez par exemple environ 485 € pour une service complète. Garajo estime votre budget selon la motorisation et suit vos dépenses réelles, freeement.
Which Audi S4 (B8) powertrain is best for town use?
Ce modèle est seulement en petrol/diesel. Fuel mix: 2 motorisations essence. Pour la ville, privilégiez la version petrol/diesel la plus sobre et bien entretenue.
Which Audi S4 (B8) powertrain should you choose if you mostly drive on the motorway?
Ce modèle est seulement en petrol/diesel. Fuel mix: 2 motorisations essence. Pour l'autoroute, privilégiez les versions petrol/diesels avec le meilleur compromis puissance/consommation.

Compatible engine oil

Which engine oil for Audi S4 (B8)?

These links are limited to the engines of this generation when oil data is available.

Unsure between two viscosities?5W-30 vs 0W-300W-20 vs 0W-305W-30 vs 5W-40

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