2020 Audi A4 Allroad problems & reliability
30 owner complaints filed with NHTSA for the 2020 Audi A4 Allroad, alongside 1 safety recall campaign. Last verified Sep 21, 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 components.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 20 | 67% |
| Back Over Prevention → | 12 | 40% |
| Unknown / Other | 10 | 33% |
| Forward Collision Avoidance | 2 | 7% |
| Engine | 1 | 3% |
| Lane Departure | 1 | 3% |
| Visibility/wiper | 1 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“The cars MMI system will loose connection while in Motion making the car systems none functioning /. This can happen while at highway speeds or while backing up .”
Lane Departure · filed Sep 23, 2025
“Shortly after my warranty expired last september ([XXX]) my 2020 Audi A4 Allroad started to experience random episodes of the car's main entertainment touch screen rebooting in the middle of the car being operated. This usually would only happen once or twice during maybe an hour long car ride. Then this spring…”
Electrical System · filed Aug 10, 2025
“The MMI (Information and entertainment system) spontaneously reboots numerous times while driving. When the reboots happen, the screen goes black and key systems such as the backup camera, rear obstacle detection, and navigation, become unavailable until the reboot completes and the systems reload. Restoring…”
Electrical System · filed Jul 25, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
701 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2020 Audi A4 Allroad. The 10 most recent:
This bulletin provides general information about the current tpp issues for Audi connect.
TSB_2082976_2 · Service Bulletin/Repair Instructions · issued Aug 27, 2026
This bulletin provides information when the horn sound quality is poor.
TSB_2074436_3 · Service Bulletin/Repair Instructions · issued Aug 26, 2026
This bulletin provides informaitn when there is a warning messsage; "Instrument cluster: fault. Limited warning messages. Please contact workshop"; DTC B200096.
TSB_2069331_8 · Service Bulletin/Repair Instructions · issued Aug 26, 2026
A particularly noticeable factor is the vibration of the air column in a tire. When a tire starts to vibrate because of the road contact, this can lead to cavity resonances inside the tire that are transmitted via the…
TSB_2079696_2 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information when there is a wheel/tire imbalance.
TSB_2074843_3 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information for all models regarding brake sounds.
TSB_2069904_3 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only).
TSB_2069078_4 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This TSB describes a corrosion issue due to outside influence and the prohibition of warranty in these cases.
TSB_2068999_4 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information when there is corrosion on the friction survace of steel brake discs.
TSB_2067132_4 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information when there is an issue with wireless charging/wireless charging is not working.
TSB_2064681_6 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
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 2020 Audi A4 Allroad has 1 NHTSA recall campaign — 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 2020 Audi A4 Allroad?
- · 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.