2009 Audi S4
Common problems & what to know before you buy
Before you message the seller, know the documented failure patterns, repair cost exposure, and risk level for the 2009 Audi S4.
Recalls on the 2009 Audi S4
Air bags: inflator module
Volkswagen Group of America, Inc.
Air bags: inflator module
Volkswagen Group of America, Inc.
Source: NHTSA
2009 Audi S4 at a glance
- Engine
- 4.2L 8-Cylinder
- Transmission
- Manual 6-spd, Automatic 6-spd
- Drivetrain
- AWD
- Fuel
- Gasoline
- Body style
- Convertible
In-depth generation guide
We've written a detailed buyer's guide covering this generation's known issues, engine variants, and what to inspect.
Audi S4 (B8) Used Buyer's Guide: Common Problems and Reliability (2009–2012)→Other Audi S4 years
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Frequently asked questions
What are the common problems with the 2009 Audi S4?
NHTSA has no owner complaints on file for the 2009 Audi S4. There are 2 recall campaigns covering this model year. Squeezed's free research-backed buyer guide cross-references these against documented failure patterns and mileage-stage risks, sorted by severity, in about a minute.
Is the 2009 Audi S4 reliable?
Reliability depends heavily on the specific configuration and how the car was maintained. Start with the 2 open recall campaigns on this model year and confirm the work was completed. Generate a Squeezed buyer guide for this exact vehicle to see a reliability snapshot, repair-cost exposure, and the questions to ask the seller before you buy.
Should I still get a pre-purchase inspection on a 2009 Audi S4?
Always. A Squeezed buyer guide is the triage step before the inspection: it shows you the documented failure patterns and what to check so you can decide which 2009 Audi S4 listings are even worth a mechanic's time, then walk into the PPI knowing exactly what to look for.
Squeezed is a buyer guide based on public data and industry patterns, not a mechanical inspection. Always get a professional pre-purchase inspection before you buy.