RoadVitals

2018 Audi A5

Recalls, owner-reported complaints, investigations and safety data

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
36
+1 complaint in 30 days
Safety recallsA safety recall is issued when a manufacturer or NHTSA determines that a vehicle has a safety-related defect or does not comply with a federal motor vehicle safety standard. Recall repairs are free. Whether a specific vehicle is covered depends on its VIN — a recall listed for a model year does not necessarily apply to every vehicle of that year.
6
Latest Nov 10, 2021
InvestigationsNHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.
0
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
2
2 injuries, 0 deaths reported

Overview

Our database contains 36 NHTSA owner-reported complaints for the 2018 Audi A5, most frequently naming the engine, body & structure and brakes categories. 6 safety recalls have been issued covering this model year; and 1,039 manufacturer communications are on file.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

What owners report

Complaints grouped by the component NHTSA recorded

  • Engine923.7%
  • Body & structure410.5%
  • Brakes410.5%
  • Visibility410.5%
  • Electrical410.5%
  • Airbags37.9%
  • Powertrain (other)25.3%
  • Steering25.3%

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Safety recalls

6 campaigns cover this model year

View all 6

Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.

Check a VIN on NHTSA.gov
21V874000

AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER; SEATS

Nov 10, 2021
208,332 units potentially affected
The defect: 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 remedy: 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.
Volkswagen Group of America, Inc.Manufacturer number 74E3View on NHTSA.gov
19V547000

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE; AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION

Jul 24, 2019
145,337 units potentially affected
The defect: Volkswagen Group of America, Inc. (Audi) is recalling certain 2018-2019 Audi RS5 Sportback, 2018 S5 Cabriolet, S5 Sportback, S5 Coupe, S4 Sedan, A5 Cabriolet, A5 Sportback, A5 Coupe, and 2017-2018 A4 Sedan and A4 Allroad vehicles. Oxidation on the Passenger Occupant Detection System (PODS) connecting cable may cause 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 remedy: Audi will notify owners, and dealers will install cable ties to the harness, free of charge. The recall began September 9, 2019. Owners may contact Volkswagen customer service at 1-800-893-5298. Audi's number for this recall is 74D9.
Volkswagen Group of America, Inc.Manufacturer number 74D9View on NHTSA.gov
18V893000

SUSPENSION:FRONT

Dec 17, 2018
36 units potentially affected
The defect: Volkswagen Group of North America (Volkswagen) is recalling certain 2018 Audi A5 Sportback vehicles. The front suspension fasteners may not have been sufficiently tightened during vehicle production, possibly resulting in a front wheel becoming loose.
The risk: A loose front wheel may increasing the risk of a crash.
The remedy: Volkswagen has notified owners, and dealers will inspect the front suspension fasteners, and replace them as necessary, free of charge. The recall began January 23, 2019. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 40O2.
Volkswagen Group of America, Inc.Manufacturer number 40O2View on NHTSA.gov

Recent owner complaints

Reports submitted to NHTSA, shown in the owner's own words

View all 36
Airbags
Filed Aug 10, 2026

My 2018 Audi A5 Sportback previously received Audi Safety Recall 74E3 on January 27, 2023. The recall repair documentation indicates a seat POD (Passenger Occupant Detection System) update was performed. Several years later, the vehicle developed another passenger airbag fault. The vehicle displays a message indicating the front passenger airbag is OFF even when an occupant is seated in the front passenger seat. Audi diagnosed fault code B12251B, "Passive Occupant Detection System Mat Resistance Too High," and determined that the seat POD occupancy mat and wiring are defective and require replacement. Audi has refused to cover the repair because more than 12 months and 12,000 miles have passed since the recall repair. I am concerned that the passenger occupant detection system involved in the previous safety recall has failed again, resulting in the passenger airbag being disabled while the seat is occupied. I am requesting that NHTSA review whether the recall remedy adequately corrected this safety issue.

NHTSA ID
11755942
Incident
Jul 30, 2026
Electrical
Filed Feb 18, 2026

The MMI ( main screen) system randomly reboots every 5 minutes, even when using CarPlay, which is unsafe. Please check it out. Thank you!

NHTSA ID
11718683
Incident
Feb 13, 2026
Electrical
Filed Feb 11, 2026

I turned on my car and several malfunctions came on the dash,and would not start and went in limp mode. A local mechanic stated it's the electrical component of the coolant pump causing malfunction. He also stated that could lead the car catching fire if overheats since the 5V is dipping below due to the faulty coolant /water pump. Ultimately forcing the car in limp mode for safety precautions. The problem is I purchase my car at 87,000 miles from the Audi dealership, and the extended warranty that covers the car is 80,000 miles

NHTSA ID
11717440
Incident
Feb 6, 2026
Engine
Filed Sep 29, 2025

I own a 2018 Audi A5. Many critical cooling system parts — including the thermostat housing, water pump housing, radiator end tanks, breather tubes, and quick-connect hoses — are made of plastic and sit in constant exposure to coolant temperatures over 200°F. Over time, these components become brittle, crack, and fail prematurely. Recently, the plastic breather/return hose between the coolant reservoir and the radiator broke apart during routine service due to brittleness. When these parts fail, coolant leaks quickly, which can cause sudden overheating, engine damage, and potential vehicle disablement while driving. Based on owner reports and my own experience, this appears to be a widespread issue across Audi/VW vehicles of this generation. I request that NHTSA investigate whether the use of plastic in these high-heat, high-pressure components represents a design defect that creates a safety hazard.

NHTSA ID
11690455
Incident
Sep 26, 2025
Powertrain (other)
Filed Sep 8, 2025

The water pump failed on my vehicle. Initially reported 2/2025 at Authorized Audi Service Center. They claimed it was normal for coolant to dip. Audi USA Confirmed I have a settlement class vehicle in 03/2025. Mentioned an 80K Mileage limit. (Car only had 69K miles at the time) When the issue persisted I reached out for repair in accordance to Water Pump Settlement. McKenna Audi Service center initially stated the extended warranty expired 05/2025, and mentioned an 8 Year Limit (8/80K whichever comes first) 9/3 Reached out to Audi USA again and they initially provided an approval. Instructed to take to authorized service center for official diagnosis. 9/5 Audi USA recanted approval 2 days later. Instructed to Call Settlement Administrator. SA stated this is fully Audi responsibly warranty does not expire until 9/2025 unable to assist. Spoke to supervisor at Audi USA who stated extended warranty did not expire until 09/26/2025 09/08 Audi Beverly Hills confirmed water pump malfunction. Sent invoice to supervisor at Audi USA. $2338.25 Supervisor informed me later that warranty is expired after all. Stated a regional manager would look at it but no guarantees. At this point I have spent $350 for a diagnosis I did not need to satisfy the demands of the Audi warranty that is now being denied.

NHTSA ID
11685814
Incident
Feb 28, 2025
Engine
Filed Jul 25, 2025

The vehicle has 36000 miles on it and the oil cooler has failed. The car is meticulously maintained. This failure compromises the ability for the engine to cool properly. Because of the failure, coolant is then forced into the engine oil potentially destroying the engine. Engine replacements are 10,000 for these types of cars. Audi is aware of this issue and should repair all vehicles with this known issue

NHTSA ID
11676163
Incident
Jul 25, 2025
Engine
Filed Jun 25, 2025

Engine shuts off occasionally whilst cornering at very low speed. No warning. Been happening for several years.

NHTSA ID
11669330
Incident
Jun 25, 2025
Steering
Filed May 8, 2025

The contact owns a 2018 Audi A5. The contact stated while driving 55-60 MPH, the yellow message "Steering Malfunction - Safe to Drive" was displayed. The contact continued driving 40 MPH, and the message turned red, and the vehicle lost power steering functionality. The contact was able to pull over to the side of the road. The contact turned off and restarted the vehicle; however, the failure persisted. The contact stated that the vehicle was undrivable. An independent mechanic diagnosed the vehicle and informed the contact that the power steering control module (PSCM) had failed and needed to be replaced. The vehicle was not repaired. The dealer was notified of the failure and informed the contact that the vehicle was not covered under warranty. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 94,000.

NHTSA ID
11659701
Incident
May 7, 2025
Mileage
94,000 mi

Manufacturer communications

A bulletin sent by a manufacturer to its dealers. Not a recall, and repairs are not necessarily free.

TSB_2082846_1

This bulletin provides a statement regarding the bottleneck of supply for VW approved oil types VW 504.00 and VW 507.00.

TSB_2081573_4

FUEL/PROPULSION SYSTEM

This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.

TSB_2078648_2

STRUCTURE:BODY

This service information TSB provides warranty coverage information for vehicles with a broken sunroof panel.

TSB_2073282_1

STRUCTURE:BODY

This bulletin provides information when there is a film/visible rings on the clear glass cover of the headlight when the dipped beam is switched on.

TSB_2073747_4

ELECTRICAL SYSTEM

This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.

TSB_2081573_3

FUEL/PROPULSION SYSTEM

This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.

Manufacturers file copies of the bulletins they send to dealers with NHTSA. These often describe diagnostic or repair procedures for a known condition. They are not recalls: repairs described in a bulletin are usually only free if the vehicle is still under warranty or the manufacturer has extended coverage.

Compare model years

Complaint and recall counts across every year of this model

Audi A5 by model year
YearComplaintsRecallsInvestigationsIssue Index
2026000—
2025720—
2024800—
2023800—
2022620—
2021750—
2020604047.5
2019123046.2
2018Viewing366060.0
2017020—
2016730—
2015830—
2014283044.0
2013353057.8
2012220037.7
2011240032.6
2010340029.6
2009111031.0
2008510—

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers. Older model years have had longer for reports to accumulate.