2021 Audi A7 Engine Problems
- Complaints
- 3about this part
- Share
- 50%of 6 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2021 Audi A7, 50% of the 6 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 first time, while driving at 50-55mph, the engine decelerated suddenly. After about 10-15 seconds struggles with the gas pedal and brake pedal, the car accelerated normally. I pulled safely to side of the road to shut off the engine and start again. Things seemed to work like normal. The control panels did not show any warning signs. The second and third times (couple weeks later), while driving around 40-45mph, the engine decelerated suddenly again. After some struggles like I did the first time, the engine accelerated like normal. …”
NHTSA complaint #11729313, filed 2026-04“While driving on the freeway at approximately 65–70 mph, the engine suddenly stopped responding to all accelerator pedal inputs. The vehicle experienced an immediate, dangerous loss of motive power in active traffic. The dashboard displayed an amber check engine light alongside the central master warning light (an amber triangle with an exclamation point inside). I was forced to coast across active lanes of highway traffic to reach the right-hand shoulder. A State Trooper was on the shoulder and approached me, but there was no formal report. …”
NHTSA complaint #11754375, filed 2026-08“Water pump design failure caused a leak of coolant into vacuum lines preventing coolant from cooling engine and causing immediate overheating. Known issue previous class action lawsuit.”
NHTSA complaint #11704951, filed 2025-12Related service bulletins
- 11038090Sep 14, 2026This bulletin provides information when there is an abnormal knocking noise from the engine compartment; V6 3.0L TFSI.
- 11036938Aug 13, 2026This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
- 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.
- 11032174Apr 15, 2026This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
- 11032173Apr 15, 2026This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
- 11031044Mar 13, 2026This bulletin provides information when there is a Drive System Malfunction, DTCs related to Knock Sensor P0327, P0332, P0328, P0333 - V6 TFS.
- 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.
Engine: other model years
Other parts of the 2021 Audi A7
2 complaintsBack-over prevention (rear camera)
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2021 Audi A7
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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