2008 Audi A6 problems & reliability
70 owner complaints filed with NHTSA for the 2008 Audi A6, alongside 4 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
1 complaint report injuries (4 injured).
Federal crash records (FARS 2020–2023): 2008 Audi A6 vehicles were involved in 10 fatal crashes with 5 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Air Bags → | 48 | 69% |
| Electrical System | 7 | 10% |
| Exterior Lighting | 6 | 9% |
| Engine and Engine Cooling | 3 | 4% |
| Power Train | 3 | 4% |
| Engine | 2 | 3% |
| Fuel System, Gasoline | 2 | 3% |
| Seat Belts | 2 | 3% |
| Service Brakes | 2 | 3% |
| Electronic Stability Control (esc) | 1 | 1% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 50,500 miles (middle 50% between 14,822 and 76,278 miles), based on 20 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2008 Audi A6. The contact received notification of NHTSA Campaign Number: 18V427000 (AIR BAGS); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the…”
Air Bags · filed Jan 24, 2025
“TCM is defective will not allow car to shift into gear causing car to stop in traffic with no warnings”
Power Train · filed Sep 11, 2022
“Tl* takata recall. The contact owns a 2008 audi a6. The contact received notification of nhtsa campaign number: 18v427000 (air bags). The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. Audi fairfield (435 commerce dr, fairfield, ct 06825, (203)-951-6570) was contacted…”
Air Bags · filed Feb 27, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
494 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2008 Audi A6. The 10 most recent:
This bulletin provides information pertaining to MMI Navigation database concerns.
A9124632044694_3 · Service Bulletin/Repair Instructions · issued Feb 7, 2024
This bulletin provides information when the parking assistance provides false warnings.
A912306202432310 · Service Bulletin/Repair Instructions · issued Dec 21, 2023
This bulletin provides general information about the outside air temperature reading.
A9023562032113_8 · Service Bulletin/Repair Instructions · issued Nov 16, 2023
This bulletin provides information on the VAS 611 015 PICO-NVH tool for professional noise analysis.
A0023812070568_2 · Service Bulletin/Repair Instructions · issued Nov 7, 2023
This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
A9423672071954_1 · Service Bulletin/Repair Instructions · issued Oct 30, 2023
This bulletin provides damage assessment guidelines for textile seat covers.
A7423262071893_1 · Service Bulletin/Repair Instructions · issued Oct 25, 2023
This bulletin provides information for when unauthorized/unjustified DTC memory entries are captured in ODIS test Plans (Ghost faults).
A0023762071721_1 · Service Bulletin/Repair Instructions · issued Oct 13, 2023
This bulletin provides information on the additional reporting requirements for safety related inquiries.
A0023742052680_4 · Service Bulletin/Repair Instructions · issued Oct 4, 2023
This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
A0023712070568_1 · Service Bulletin/Repair Instructions · issued Sep 7, 2023
This bulletin provides information for when the customer has concerns about the navigation route guidance.
A9123262071264_1 · Service Bulletin/Repair Instructions · issued Aug 23, 2023
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2008 Audi A6 has 4 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2008 Audi A6?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 50,500 miles — budget accordingly if the car is approaching that mileage.