YearToAvoid

2019 Audi A6 Engine Problems

Engine complaints account for 32 of 114 total complaints (28%) filed on the 2019 Audi A6, with a median mileage at failure of 150 miles. Owners most often describe stalling tied to the auto stop/start feature and sudden electrical/engine shutdowns while driving. No related recalls are listed.

Engine complaints
32
28% of 114
Crashes reported
2
Fires reported
0
Injuries reported
2
Median mileage
150 mi
Related recalls
0

Typical engine symptoms owners report

  • Engine stalls or dies when the auto stop/start system tries to restart it at a stop, forcing a full ignition restart.
  • Sudden engine shutdown or complete loss of power while driving at highway speed, sometimes after multiple dashboard warning lights appear.
  • Electrical system faults (described by owners as a failed 48V generator or starter/generator) that cascade into loss of steering, transmission, and dash functions.
  • Rough idle followed by drive system shutdown after the start-stop feature attempts to restart the engine at intersections.
  • Noticeable acceleration lag between pressing the gas pedal and the car actually moving, especially from low RPM.

When 2019 Audi A6 engine complaints were filed

First complaint Mar 9, 2019, latest Aug 17, 2026.

2019 Audi A6 engine complaints: complaints filed per month5Mar 2019Jun 2020Feb 2023Sep 2023Jan 2024Apr 2026Aug 2026
32 complaints filed with NHTSA from Mar 2019 to Aug 2026; peak Dec 2022 (5).

Engine recalls for the 2019 Audi A6

No safety recalls on record for this model year.

Engine complaints by A6 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 20103 (18%)
  2. 20112 (10%)
  3. 201216 (27%)
  4. 201316 (31%)
  5. 20146 (15%)
  6. 201510 (45%)
  7. 201620 (39%)
  8. 20175 (25%)
  9. 20187 (64%)
  10. 201932 (28%)
  11. 20201 (4%)
  12. 20214 (24%)
  13. 20220 (0%)
  14. 20230 (0%)
  15. 20240 (0%)
  16. 20250 (0%)

Frequently asked questions

How common are engine problems on the 2019 Audi A6?
NHTSA lists 32 engine-related complaints for the 2019 Audi A6, which is 28% of the 114 total complaints filed for that model year.
Is there a recall for the 2019 Audi A6 engine?
No related recalls are listed in NHTSA data for this engine problem area on the 2019 Audi A6.
At what mileage do 2019 Audi A6 engine problems usually happen?
The median mileage at failure reported to NHTSA for this issue is 150 miles.
What do owners say happens with the engine?
Owners describe the engine stalling when the auto stop/start feature tries to restart it, sudden shutdowns while driving, and electrical faults linked to generator or starter failures.
Have these engine issues caused crashes or injuries?
NHTSA data tied to this engine complaint area for the 2019 Audi A6 shows 2 crashes and 2 injuries, with 0 fires.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.