2020 Audi A4 Allroad Engine Problems
- Complaints
- 1about this part
- Share
- 3%of 30 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2020 Audi A4 Allroad, 3% of the 30 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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 .”
NHTSA complaint #11689152, filed 2025-09Related service bulletins
- 11034657Jun 26, 2026This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
- 11034728Jun 10, 2026This bulletin provides informaiton when the engine is not running smoothly, misfiring.
- 11034656Jun 4, 2026This bulletin provides information when DTC U140A00 Terminal 30 is stored in the ECM.
- 11029368Feb 20, 2026This bulletin provides information on the use of the Audi frequencly analysis app, and where the application can be downloaded.
- 11029367Feb 20, 2026This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
- 11028398Jan 14, 2026This bulletin provides information regarding UV leak additive for finding oil leaks.
- 11027439Dec 19, 2025This bulletin provides service information when there is dirt or a small amount of oil residue on the engine mounting.
- 11027356Dec 11, 2025This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
- 11018973May 28, 2025This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM.
Engine: other model years
Other parts of the 2020 Audi A4 Allroad
20 complaintsBack-over prevention (rear camera)
12 complaintsOther or unknown
10 complaintsForward collision avoidance
2 complaintsLane departure
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2020 Audi A4 Allroad
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology