The contact owns a 2017 Audi A4. The contact stated that while driving 45 MPH, the brakes engaged independently, hesitated momentarily and then the vehicle operated as intended. A dealer was contacted. The vehicle was taken to the dealer where it was diagnosed and determined that the brake booster needed to be replaced. The brake booster was replaced four times and the vehicle was repaired. The contact stated that the failure had occurred on several occasions. The manufacturer was notified of the failure but offered no assistance. The approximate failure mileage was 108,902.
The worst 2017 Audi A4 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 1
Air bags: sensor: occupant classification: front passenger
- What is wrong
- 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.
- Risk
- A disabled passenger air bag increases the risk of injury in the event of a crash.
- 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.
Recall number 21V874000 · Recall details
Technical service bulletins for the 2017 Audi A4 764
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction...
- This bulletin provides informaiton on the use of the PICO-NVH tool (VAS 611 015).
- This bulletin provides infomration when basic settings are not possible after repair; DTC P17F900 stored...
- This special notice is to inform dealers to return the parts listed and only order the successor parts...
- This bulletin proides service information when there is a prompt to take over the steering wheel (hands...
- This bulletin provides information when the starter battery is discharged or malfunctioning.
- This bulletin provides information when there is an Audi pre sense warning, warning jolt, or brake...
- This bulletin provides information to aid in diagnosing the vehicle locking system.
- This bulletin provides information when the engine is not runing smoothly; all gas engines.
- This bulletin provides information on VIN plates, Safety Certification labels, and ordering procedures.
2017 Audi A4 fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 2.0L 4‑cyl | FWD | 25-27 | 33-37 | 28-31 |
| 2.0L 4‑cyl | AWD | 23-24 | 28-33 | 25-27 |
What 2017 Audi A4 owners say
Most recent owner complaints, unedited.
I am reporting a recurring safety defect involving the interior speaker trim assemblies on my 2017 Audi A4 Prestige. The affected speaker trim was previously repaired under an Audi safety recall by an authorized Audi service provider. This recall repair is documented in Audi’s service records. Despite the completed recall remedy, the same component has failed again. The deterioration affects multiple locations in the vehicle, and sharp edges are now exposed, creating a potential laceration hazard for vehicle occupants. Audi San Diego subsequently inspected the vehicle and acknowledged the speaker trim issue. However, the dealership declined responsibility for correcting the recurring defect, stating that the recall had already been performed and was now closed. My concern is that the original safety recall remedy has not provided a lasting correction. The same safety-related component has failed again after the manufacturer’s authorized repair, leaving occupants exposed to the hazard the recall was intended to address. I am requesting that the federal safety agency investigate the recurrence of this defect and the effectiveness of Audi’s original recall remedy, including whether additional corrective action is warranted. The vehicle and affected components are available for further inspection upon request, subject to scheduling.
my initial water pump from Audi was replaced via recall. then I recently changed the thermostat hose and my water pump started leaking again. can you please look into these faulty water pumps?
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 register properly. This turned out not to be the case. A short time later, the fuel gauge completely stopped working. I took it to an authorized Audi repair shop that told me the issue was related to a the "Fuel Tank Sending Unit". That part was replaced by the repair shop, however, the issue persisted. The authorized repair shop is now telling me that it the entire tank needs to be replaced in order to fix the issue.. I have searched and this seems to be a common issue among Audi vehicles; the sensor stops working and the gauge stops responding. Audi seems to know that this is an issue. Can this possibly be investigated.
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 there were no signs of outside influence or misuse, and the issue is likely due to internal headlight temperature, external ambient temperature, and age. This defect directly impairs visibility and makes it unsafe to drive the vehicle at night or in low-light conditions. Headlights are a critical safety system. The problem has been confirmed and documented by the Audi dealership in a written inspection report. Audi of America has acknowledged that the defect is unrelated to misuse but refuses to fully assist with repairs, despite admitting it impacts visibility. The issue is ongoing and worsens with time. There were no warning lamps or dashboard messages related to the defect prior to its discovery. The vehicle and documentation are available for inspection upon request. This is a safety concern that puts me and others at risk due to reduced nighttime visibility.
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 allowed me to slowly delve into the screen functions to reprogram the transmission while driving in these dangerous conditions, but I don't know if I could always do it again, or if others might find it too confusing in the moment.
Audi A4 Water pump and Thermostat failure. VW/ Audi USA had a recall on this issue for several models including the Audi A4 models thru 2016. My car was built in 2016 with model year 2017 and according to the recall my car did not qualify. Since then there has been several Class Action Lawsuits for this same issue. I was fortunate I discovered the leak while the car was parked in my garage and wasn't on the freeway. It seems that VW/Audi USA hasn't corrected this issue leaving many people in danger of a possible breakdown and a premature costly repair. In addition, I was denied the Class Action Lawsuit extended warranty by 3 months. So this premature costly repair was on me. Thank you for all you do to keep us safe.
Randomly, sometimes multiple times in a 30-60 minute time window while driving, the media center turns itself off and reboots. While driving with the navigation system or other key functionality of this system (phone connectivity, radio, etc) the driver suddenly has lost the current connection that was in use. As for the navigation or phone connection, this disconnection could result in a sudden dangerous situation. The manufacturer knows of this “bug” and has a software fix, but charges any customer whose vehicle is not still under warranty to diagnose and fix it.
The fuel level sensor that is built into the gas tank, sensor #2, has failed and I only had 30,354 miles on the car at the time of failure. Audi Birmingham, in Birmingham, MI, confirmed the failure via a diagnostic test.
Every time I start the car, a message comes on saying that the passenger airbag is off even when I have an occupant next to me. I spoke with the dealer and he told me that this recall was claimed and fixed in 2022 in Texas by the previous owner but I replied that the problem continues and he told me that this was no longer an Audi problem. Furthermore, every time it accelerates over 40 miles per hour, a message about the driving system in malfunction appears and also the automatic on and off system at stops stops working and when I drive it at low speed there is no problem. I took it to Audi and they told me that they should change the turbo and I told them that the car only has 100,000 miles and why they should change a turbo that only has 100,000 miles of use and they told me that’s how it is
Compare the 2017 Audi A4
A4 vs Mercedes-Benz C300A4 vs BMW 328IA4 vs Cadillac CTSA4 vs Lincoln MKZA4 vs Lexus ES350A4 vs Acura TLX
Other model years
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Questions about the 2017 Audi A4
Is the 2017 Audi A4 reliable?
Owners have filed 57 complaints about the 2017 Audi A4, close to a typical A4 model year.
What is the 2017 Audi A4 year score?
The 2017 Audi A4 scores 75 out of 100 (average). The score compares it with the other model years of the Audi A4: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.
What is the most common problem with the 2017 Audi A4?
Engine and cooling, with 24 complaints, typically around 28,000 miles. Next is airbags (13).
How many recalls does the 2017 Audi A4 have?
1 recall, covering air bags.
What gas mileage does the 2017 Audi A4 get?
Official estimates for the 2017 Audi A4 range from 25 to 31 mpg combined. The most efficient version (2.0L 4-cyl, FWD) gets 25-27 city and 33-37 highway.
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