2017 Audi A4 Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 81 verified NHTSA owner complaints, 1 federal safety recalls, and interquartile failure mileage telemetry.
The 2017 Audi A4 receives a 5.1/10 MazicBay Reliability Index based on 81 verified NHTSA federal complaints and 1 safety recalls. The primary reported failure mode is Airbag Occupant Detection & Inflator Defect Reports with a median failure point at 55,000 miles (IQR: 35,000 – 75,000 mi). Out-of-warranty repairs benchmark at $400 – $1,200 .
45 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
1 Active / Free Remedies
Top Reported Problem Clusters (7)
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“The contact owns a 2017 Audi A4. The contact stated while driving 50 MPH with the front driver's seat heater engaged, she felt a burning sensation as the seat was overheating. There was no warning light illuminated. The contact disengaged the seat heater. The contact stated th...”
“My 2017 Audi A4, is having a problem with the passenger air bag sensor. Whether there is a person on the passenger seat or not, the air bag sensor with turn on or off without warning and display a message. I have read that this problem has been recalled before.”
“I have been experiencing something that might be related to safety recall 74E3, but i am not sure. I've been driving with my seatbelt on with no one at the passenger seat. But the seatbelt sign keeps showing up with the beeping sound, and the sign says Safety System Malfunctio...”
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“I experienced similar undesirable engine behavior on two occasions. Upon coming to a stop, the auto start/stop system stopped the engine. Shortly after, when attempting to drive away, the stop/start system attempted to start the engine, but failed; the starter briefly activate...”
“Turbo needs to be replaced after only 58,000 miles. This has been an issue causing recalls on Audi models in different years.”
“2017 A4 Audi Allroad- while making turns at low speeds with the steering wheel, the vehicle makes cracking, popping and vibration noises. The noise was inspected and reproduced, confirmed on 1/4/2023 by Audi Fletcher Jones, Costa Mesa, California and advised to replace engine ...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“The Audi "Drive Select" transmission function switches to "Sports Mode" in rain and snow. This makes the vehicle dangerously jumpy in slippery conditions. This has happened to me (I think) three times in the last couple of years, always in rain or snow. My knowledge of the car...”
“I experienced similar undesirable engine behavior on two occasions. Upon coming to a stop, the auto start/stop system stopped the engine. Shortly after, when attempting to drive away, the stop/start system attempted to start the engine, but failed; the starter briefly activate...”
“The contact owns a 2017 Audi A4. The contact stated while driving 50 MPH with the front driver's seat heater engaged, she felt a burning sensation as the seat was overheating. There was no warning light illuminated. The contact disengaged the seat heater. The contact stated th...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“I experienced similar undesirable engine behavior on two occasions. Upon coming to a stop, the auto start/stop system stopped the engine. Shortly after, when attempting to drive away, the stop/start system attempted to start the engine, but failed; the starter briefly activate...”
“I have been an Audi A4 owner for more than 10 years. During that time, I have had 2 incidents where I could have easily been killed as well as injured or killed passengers in oncoming vehicles. The latest was this morning on March 23, 2022. The other was nearly 10 years ago. M...”
“AFTER HAVING THIS VEHICLE FOR 18 MONTHS THE CAR BEGAN TO FREEZE WHILE BACKING UO. THERE ARE NO OBJECTS, CARS OR HUMANS ANYWHERE AROUND THE VEHICLE WHEN THIS OCCURS. THE CAR WAS MOVING AT A VERY LOW SPEED WHEN ALL OF A SUDDEN THE AUTO LOCKS UP AND THE BRAKES ENGAGE, YOU HAVE TO...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“The Audi "Drive Select" transmission function switches to "Sports Mode" in rain and snow. This makes the vehicle dangerously jumpy in slippery conditions. This has happened to me (I think) three times in the last couple of years, always in rain or snow. My knowledge of the car...”
“I experienced similar undesirable engine behavior on two occasions. Upon coming to a stop, the auto start/stop system stopped the engine. Shortly after, when attempting to drive away, the stop/start system attempted to start the engine, but failed; the starter briefly activate...”
“Turbo needs to be replaced after only 58,000 miles. This has been an issue causing recalls on Audi models in different years.”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“The headlights on my 2017 Audi A4 have developed stress cracks in the headlamp housing. According to the inspection performed by an authorized Audi dealer, these cracks will obscure headlight projection and lower the visibility range at night. The dealer specifically noted the...”
“2017 A4 Audi Allroad- while making turns at low speeds with the steering wheel, the vehicle makes cracking, popping and vibration noises. The noise was inspected and reproduced, confirmed on 1/4/2023 by Audi Fletcher Jones, Costa Mesa, California and advised to replace engine ...”
“The power steering on my A4 went out randomly with only 52k miles on the odometer. Thankfully it went out while the car was parked, but if it went out while I was driving it could've caused an accident. I towed it to a shop to diagnose the issue and they confirmed that the pow...”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“I have been trying to register my vehicle in California for several months, however, in order to do so, I need the car to pass SMOG. Initially I was told that the issue was related to an emissions sensor and that I had to drive the vehicle a few more miles to get the sensor to...”
Official NHTSA Safety Recalls (1)
SEATS
Summary: 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.
Pre-Purchase Inspection Checklist for 2017 Audi A4
Before purchasing a used 2017 Audi A4, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 1 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2017 Audi A4
Is the 2017 Audi A4 a reliable used car?
The 2017 Audi A4 earns a 5.1/10 MazicBay Reliability Index based on 81 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2017 Audi A4?
The leading complaint category is Airbag Occupant Detection & Inflator Defect Reports, with a median failure point around 55,000 miles (IQR: 35,000 – 75,000 mi).
Are there free recall repairs available for the 2017 Audi A4?
Yes, the NHTSA records 1 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.