Wrench.Pro

2018 Audi A4: raw data

Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.

vehicle2018 / audi / a4
known issues6 clusters (reviewed 2026-08-29)
complaints42 on file (2019-11-08 → 2026-07-02)
recalls1
investigations0
fars5 occupant deaths, crash years 2010-2024 (legacy-code)
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Rear-view camera intermittent malfunctionELECTRICAL SYSTEM, UNKNOWN OR OTHER, BACK OVER PREVENTION3 complaints2023-04 → 2026-07audi-a4-2018-rear-camera-malfunction
  • 11747799 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
  • 11709539 When reversing, at times the back up camera does not function properly. During these times, the parking sensors appear to work, but it's unclear if the emergency reverse automatic braking system is working
  • 11515996 The rear view camera does not activate when using the parking assist or when reversing. The sensors are still functioning as intended
Water pump failure and coolant lossENGINE AND ENGINE COOLING4 complaints2022-02 → 2026-07audi-a4-2018-water-pump-coolant-loss
  • 11717605 The contact owned a 2018 Audi A4. The contact stated that while driving at an undisclosed speed, there was fluid leaking from the front of the vehicle
  • 11489365 Water Pump prematurely failed. Upon self inspection, I noticed the coolant reservoir was below the minimum requirements
  • 11452846 I received a message on my dashboard to turn the engine off and check the coolant when starting the vehicle each morning for the last two days
Powertrain component failurePOWER TRAIN4 complaints2020-08 → 2026-07audi-a4-2018-powertrain-component-failure
  • 11747862 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
  • 11547846 The all-wheel-drive clutch in the vehicle had to be replaced. The symptoms were heavy vibrations or thumping when starting to drive forward from a stop with the wheels turned in either direction
  • 11539793 While driving there was an internal failure of the front differential which caused debris to fly out and the debris then punctured the transmission according to the diagnosis on an Audi dealership
Forward collision avoidance false activationFORWARD COLLISION AVOIDANCE3 complaints2022-06 → 2026-06audi-a4-2018-fca-false-activation
  • 11741957 I am reporting recurring safety-related defects on my 2018 Audi A4 involving Automatic Emergency Braking, Forward Collision Warning, Audi pre sense/front-collision functionality, and related electrical/driver-assistance reliability
  • 11471528 The Audi Pre-sense engaged on 3 occasions going 50+ mph bringing the car to a complete stop when there was nothing in front if it and a car right behind me
  • 11469403 The forward collision warning system (Audi PreSense) identified a shadow from an overpass as another car and alerted me to use the brakes
MMI infotainment spontaneous restartUNKNOWN OR OTHER3 complaints2025-07 → 2025-12audi-a4-2018-mmi-spontaneous-restart
  • 11684505 My car's MMI keeps restarting while driving which affects the rear view camera and while backing up it can restart and go completely blank
  • 11675417 The Audi MMI system began to spontaneously restart while driving after owning the car for a couple of years
  • 11702346 My screen turns on and off consistently not allowing me to use my backup camera. Causing a small collision while backing up when the camera turned off unexpectedly
Passenger airbag occupant-detection recall incompleteAIR BAGS4 complaints2023-03 → 2026-07audi-a4-2018-airbag-recall-incomplete
  • 11747852 The vehicle is subject to a Passenger Occupant Detection System / PODS safety recall involving the front passenger seat occupant-detection system and passenger airbag status
  • 11524991 I first received notice of this recall in 1/22. My Audi dealer has continuously stated that Audi does not send them enough kits to remedy this recall
  • 11511483 After dealership did the second repair to the airbag recall, the airbag light came on and has been on solid

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
422019-11-082026-07-0210UNKNOWN OR OTHER:18; ELECTRICAL SYSTEM:16; STRUCTURE:6; FUEL/PROPULSION SYSTEM:6; POWER TRAIN:5

Recalls all years →

campaign_numberreport_received_datecomponentsummaryconsequenceremedy
21V87400010/11/2021SEATSVolkswagen 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.A disabled passenger air bag increases the risk of injury in the event of a crash.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.

Investigations all years →

none listed

FARS occupant deaths all years →

crash_yearsoccupant_deathsmatch_typevpic_recovered
2010-20245legacy-code0

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.

Cite this

Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.

Wrench.Pro (2026). 2018 Audi A4 vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2018/audi/a4
@misc{wrenchpro_2018_audi_a4_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2018 Audi A4},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2018/audi/a4}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

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