YearToAvoid

2021 Audi Q7 Engine Problems

NHTSA lists 24 engine-area complaints for the 2021 Audi Q7, 32% of its 74 total complaints. Median mileage at failure is 60,000 miles, with 1 crash and no fires or injuries reported. No related recalls are listed in NHTSA data.

Engine complaints
24
32% of 74
Crashes reported
1
Fires reported
0
Injuries reported
0
Median mileage
60,000 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners report sudden electrical system malfunction warnings that cascade into loss of power steering and ABS while driving.
  • Multiple dashboard alerts appear together, including transmission, stabilization, and drive system malfunctions, sometimes followed by the vehicle braking or accelerating on its own.
  • Some vehicles shut down completely at intersections or in traffic, becoming undriveable and requiring a tow.
  • Owners describe a turbocharger intercooler code (P0299) triggering the check engine light repeatedly after service visits.
  • Water pump leaks causing low coolant levels have been reported, with dealers confirming the pump needs replacement.

When 2021 Audi Q7 engine complaints were filed

First complaint Sep 2, 2022, latest Sep 15, 2026.

2021 Audi Q7 engine complaints: complaints filed per month2Sep 2022Feb 2023Mar 2024Nov 2024Aug 2025Dec 2025Aug 2026
24 complaints filed with NHTSA from Sep 2022 to Sep 2026; peak Sep 2022 (2).

Engine recalls for the 2021 Audi Q7

No safety recalls on record for this model year.

Engine complaints by Q7 model year

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

  1. 20107 (24%)
  2. 20112 (9%)
  3. 20128 (28%)
  4. 201311 (26%)
  5. 201414 (31%)
  6. 201515 (34%)
  7. 20160 (0%)
  8. 201763 (20%)
  9. 201841 (29%)
  10. 20198 (13%)
  11. 20209 (32%)
  12. 202124 (32%)
  13. 20229 (50%)
  14. 20233 (19%)
  15. 20240 (0%)
  16. 20251 (6%)

Frequently asked questions

Is the 2021 Audi Q7 engine reliable?
NHTSA data shows 24 engine-area complaints for the 2021 Q7, making up 32% of all complaints filed for that year. Owners most often describe electrical malfunction warnings tied to power steering and drivetrain shutdowns, plus some water pump coolant leaks.
Does the 2021 Audi Q7 have an engine recall?
No related recalls are listed in the NHTSA data provided for the 2021 Q7 engine-area complaints.
At what mileage do 2021 Audi Q7 engine problems usually appear?
The median mileage at failure for engine-area complaints on the 2021 Q7 is 60,000 miles.
Are 2021 Audi Q7 engine problems dangerous?
NHTSA records show 1 crash linked to engine-area complaints on the 2021 Q7, with no fires or injuries reported.
How does the 2021 Q7 compare to other Q7 years for engine complaints?
The 2021 Q7's engine-area share of 32% is similar to 2020 (32%) and lower than 2022 (50%), while years like 2017 and 2018 had far higher raw complaint counts of 63 and 41.

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.