2021 Audi A4
Only 11 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 11 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1995 | 1 |
| 1996 | 89 |
| 1997 | 98 |
| 1998 | 258 |
| 1999 | 190 |
| 2000 | 96 |
| 2001 | 131 |
| 2002 | 181 |
| 2003 | 210 |
| 2004 | 189 |
| 2005 | 219 |
| 2006 | 295 |
| 2007 | 196 |
| 2008 | 175 |
| 2009 | 120 |
| 2010 | 64 |
| 2011 | 11 |
| 2012 | 19 |
| 2013 | 24 |
| 2014 | 31 |
| 2015 | 18 |
| 2016 | 11 |
| 2017 | 54 |
| 2018 | 44 |
| 2019 | 10 |
| 2020 | 124 |
| 2021 | 11 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 2 |
KNOWN PROBLEM AREAS
Only 11 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
3 of 11 total reports mention: electrical system.
2 of 11 total reports mention: vehicle speed control.
CRASH INJURYShow complaint excerpts
The contact leased a 2021 Audi A4. The contact stated that the dealer had provided her with the vehicle rental while her vehicle was being repaired.
NHTSA ODI report, 20211116
The contact owned a 2021 Audi A4. The contact stated that while driving at a low rate of speed through a parking lot, the vehicle independently accelerated and the brake pedal locked.
NHTSA ODI report, 20210525
2 of 11 total reports mention: suspension.
CRASH INJURY2 of 11 total reports mention: power train.
Show complaint excerpts
The vehicle at 13,xxx miles on the high ways, and during stop & go traffic; vehicle begins to tremble, transmission and floor shakes, rpms are higher than normal, abnormal noises coming from engine (screeching), jerking on acceleration on the first...
NHTSA ODI report, 20250401
2 of 11 total reports mention: lane departure.
SAFETY TIMELINE
Volkswagen Group of America, Inc.
Remedy: Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L1.
Campaign 21V295000 — check if this car was fixed
Volkswagen Group of America, Inc.
Remedy: Dealers will inspect, and replace as necessary, the middle-rear seat belt assemblies, free of charge. Owner notification letters were mailed August 27, 2021.
Campaign 21V606000 — check if this car was fixed
Volkswagen Group of America, Inc.
Remedy: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed March 3, 2022.
Campaign 22V034000 — check if this car was fixed
Volkswagen Group of America, Inc.
Remedy: Dealers will update the infotainment unit software, free of charge. Owner notification letters were mailed October 25, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 91DZ.
Campaign 22V742000 — check if this car was fixed
BUY-SMART CHECKLIST
2021 Audi A4 — pre-purchase inspection
- Test/inspect for electrical system issues (3 reports on file for this year).
- Test/inspect for vehicle speed control issues (2 reports on file for this year).
- Test/inspect for suspension issues (2 reports on file for this year).
- Verify recall 21V295000 (suspension) has been completed.
- Verify recall 21V606000 (seat belts) has been completed.
- Verify recall 22V034000 (suspension, tires) has been completed.
- Verify recall 22V742000 (back over prevention) has been completed.
OTHER YEARS OF THIS MODEL
BEST YEARS
WORST YEARS
FAQ
Is the 2021 Audi A4 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2021 Audi A4?
The most-reported component is electrical system, accounting for 27% of complaints on file.
How many recalls does the 2021 Audi A4 have?
4 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.