This page covers 3 recalls, 124 owner complaints, NHTSA crash-test ratings and EPA fuel economy for the 2020 Audi A4.
30 mpg combined
7.8 L/100km
Compact Cars
Fuel economy data from fueleconomy.gov (EPA / U.S. Dept. of Energy). Annual cost based on 15,000 mi/yr at 55% city driving and current fuel prices. MPG is U.S. gallons; L/100km converted.
5/5 Overall
NHTSA 5-Star Safety Rating
The dominant pattern in 2020 Audi A4 complaints centers on the electrical system and the backup camera. The MMI infotainment module is the most frequently described problem: owners report it randomly going dark and rebooting while driving, which simultaneously kills the navigation display, audio, and, most commonly flagged as the safety concern, the backup camera feed. The backup camera losing its image mid-reverse is the core of the back-over prevention complaints, and most of those trace back to the same MMI reset behavior rather than a separate camera failure. Lane departure warnings generating false alerts or behaving erratically represent a smaller but recurring thread. A single report describes a driver's seat bracket snapping and separating from the seat track, and isolated complaints mention accelerated front tire wear, but neither appears with enough frequency to indicate a broad pattern.
124
Total Complaints
1
Crash-Related
By System
The 2020 Audi A4 has 3 recalls, the most serious involving a rear axle lock nut that can break and cause the rear wheels to fall out of alignment, leading to a loss of vehicle control.
The same rear axle misalignment issue also causes premature or uneven tire wear over time, which can further reduce traction and raise crash risk before the wear becomes visible to the driver. Prior repair attempts for the axle alignment problem did not fully resolve the issue, which is reflected in the separate tire wear filing. There is also a concern with the front passenger airbag: the passenger seat sensor that determines whether to enable or suppress the airbag can malfunction and leave the airbag disabled, meaning a front passenger would not have airbag protection in a crash.
At a glance
What can fail
The rear axle alignment was not inspected after previous recall repairs were completed, which could result in improper wheel positioning and uneven tire wear.
What the fix does
Dealers will inspect rear axle alignment, adjust if needed, and replace any prematurely or unevenly worn tires at no cost.
We may earn a commission for purchases made through these links.
Driver Assistance
Ratings from NHTSA's New Car Assessment Program (NCAP). Based on 2 tested variants; worst-case ratings shown.
Complaints are owner-reported and reflect individual experiences, not confirmed defects. They are distinct from recalls. Data sourced from the national vehicle safety complaint database. See trending complaints →
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
A cable connecting the seat heater to the passenger air bag detection system may develop a contact fault, causing the system to incorrectly disable the passenger air bag.
What the fix does
Dealers will replace the connecting cable and either the heating mat or entire seat cover at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The lock nut securing the trailing arm on the rear axle can break due to stress corrosion, potentially affecting rear suspension stability.
What the fix does
Dealers will replace the lock nuts and associated bolts if needed at no cost to you.
Summarized — see the official notice for exact wording, dates, and contacts.
