2018 Audi A4: problems, recalls and what it’s worth
1 recall campaign to confirm with a dealer.
Ask for the VIN and check it, then get a pre-purchase inspection.
Known problems on the 2018 Audi A4
No generation-wide weak spot is flagged in GarageIntel’s research for this year and model. A specific car can still have its own problems, so get it inspected.
2018 Audi A4 recalls
NHTSA lists 1 recall campaign for the 2018 Audi A4. Repairs are free at a dealer for the brand, and a dealer can confirm by VIN which were already done.
- Seats
A disabled passenger air bag increases the risk of injury in the event of a crash.
Details 21V874000
Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.
Fix: Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Recall 19V-547 (74D9). Vehicles previously repaired under 19V-547 will need to return for the new remedy.
2018 Audi A4 safety investigations and free repairs
No open safety investigations.
Free repairs to ask about (warranty extensions):
- Camera: Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction of the AEB system’s control unit, camera(s), LIDAR, and/or sensor(s) which enable automatic emergency braking functionality.
- Heat and A/C: This Document informs dealers on the new A/C evaporator warranty extension for 2017-2021 A4/S4/Q7 and 2018-2021 A5/S5/Q5 vehicles
A dealer for the brand can check these by VIN.
Source: NHTSA, Sep 24, 2026.
2018 Audi A4 safety and fuel
From NHTSA’s crash tests and the EPA’s fueleconomy.gov.
What owners complain about
42 complaints filed with NHTSA for this year and model, about average.
Share of complaints that mention each area. One complaint can mention several.
Other Audi A4 years
2010 2011 2012 2013 2014 2015 2016 2017 2019 2020 2021 2022 2024
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