Does the 2018 Audi A4 have any recalls?

Yes. NHTSA lists 1 recall for the 2018 Audi A4, the most recent reported on November 10, 2021 (Air bags: sensor, occupant classification, front passenger, Seats). Check a specific car by its VIN at nhtsa.gov/recalls.

What are the most common problems with the 2018 Audi A4?

Owners have filed 45 complaints with NHTSA. The most frequently reported area is unknown or other (18 complaints), followed by electrical system (17).

How many 2018 Audi A4 complaints mention a crash or fire?

1 of 45 complaints report a crash and 0 a fire; 0 injuries were reported in total. Complaints are unverified reports from owners.

2018 Audi A4 recalls and problems

1 recall and 45 owner complaints on file with NHTSA for the 2018 Audi A4.

recalls

owner complaints

complaints mentioning a crash

mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2018 Audi A4 recalls

Air bags: sensor, occupant classification, front passenger · Seats

NHTSA campaign 21V874000 · reported November 10, 2021 · Volkswagen Group of America, Inc. · 208,332 vehicles potentially affected

The problem: 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.
The risk: A disabled passenger air bag increases the risk of injury in the event of a crash.
The 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.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

Unknown or other18
Electrical system17
Fuel/propulsion system6
Structure6
Engine5
Power train5
Air bags4
Forward collision avoidance4
Service brakes4
Back over prevention2

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Oct 14, 2026 · Tires
I am reporting a serious vehicle safety incident involving my 2018 Audi A4. On …, while traveling from […] to […] with my […] son in the vehicle, all four tire valve stems failed during a single interstate journey. The first failure occurred on the front-left tire, causing nearly instantaneous tire deflation. After an…

Jul 2, 2026 · Power train
A vehicle diagnostic scan dated 04/15/2026 at approximately 88,502 miles showed a stored transmission electronics fault: P084100, described as “Transmission fluid pressure sensor/switch A range/performance,” with status listed as passive/sporadic. This indicates a transmission / powertrain control concern involving…

Jul 2, 2026 · Structure
A vehicle diagnostic scan dated 04/15/2026 showed electrical communication faults involving vehicle control modules. The scan showed U014100, described as “Lost Communication With Body Control Module ‘A’,” with status listed as passive/sporadic. The scan also showed U112100, described as “Data bus message missing,”…

Jul 1, 2026 · Wheels
An Audi dealer installed 245/40R18 93H tires on this 2018 Audi A4, while the vehicle placard/specification requires 245/40R18 97H. The lower load index reduces capacity from 1,609 lb per tire to 1,433 lb per tire, approximately 704 lb total across four tires. This creates a safety risk because load-rated tires affect…

Jul 1, 2026 · Electrical system
The rear-view camera intermittently fails to engage when the vehicle is shifted into reverse. When the camera does display, the image sometimes shows horizontal glitch lines/artifacts. This affects backing visibility and parking safety and creates a risk of collision with pedestrians, objects, vehicles, or property…

A4 model years compared

Year	Recalls	Complaints	Crashes	Fires
2015	0	19	1	0
2016	0	11	0	1
2017	1	56	2	0
2018	1	45	1	0
2019	1	10	2	0
2020	3	128	1	0
2021	4	11	3	0

Across all years, the 2006 A4 has the most complaints (295). All Audi A4 years →

Questions

Does the 2018 Audi A4 have any recalls?: Yes. NHTSA lists 1 recall for the 2018 Audi A4, the most recent reported on November 10, 2021 (Air bags: sensor, occupant classification, front passenger, Seats). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2018 Audi A4?: Owners have filed 45 complaints with NHTSA. The most frequently reported area is unknown or other (18 complaints), followed by electrical system (17).
How many 2018 Audi A4 complaints mention a crash or fire?: 1 of 45 complaints report a crash and 0 a fire; 0 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received October 14, 2026.