2018 Audi Q5 engine problems

Related recalls

No recalls on file.

What owners say

1. Filed Aug 27, 2026ILEngineOther / UnknownTransmission & Drivetrain

   While driving the vehicle after a bump in a pot-hole there was loud clunking noise from the engine compartment and car stopped suddenly. There was a risk of getting hit by the car from behind. Car was towed to Audi Service Center and found to have a Connecting Rod Bearing Failure damaging the whole engine. The act is still at the repair shop and should be available for inspection. It was inspected by the authorized Audi Service center. Insurance advisor will be taking look…

   NHTSA complaint #11760016 · source
2. Filed Jul 17, 2026WIElectrical SystemEngineLighting

   My 2018 Audi Q5 experienced significant water intrusion due to a failure of the panoramic sunroof drain system. Water entered the vehicle interior and traveled down into the electrical compartment, submerging the comfort module and damaging multiple wiring harnesses. This caused the vehicle to become inoperable and unable to start. Audi has issued Technical Service Bulletin 2075969/2 describing this exact defect. The bulletin states that the sunroof drain hoses can be kinked…

   NHTSA complaint #11751123 · source
3. Filed Apr 27, 2026CAEngine

   I was driving home from the farmers market with my two young kids. I was turning left at a busy intersection when the engine died and an engine warning flashed on the dash (I don't recall the exact message; it sounded catastrophic). There were no "check engine" or any other warning messages prior to the incident. I was able to restart the car immediately and give it a lot of gas to get out of the intersection - thank goodness - but didn't feel it was safe to drive the full 1…

   NHTSA complaint #11733919 · source
4. Filed Dec 18, 2025NJEngine

   Vehicle: 2018 Audi Q5 Prestige Mileage: Approximately 34,000 miles On December 14, 2024, while driving at normal road speeds, my vehicle suddenly lost power and displayed multiple warning messages, including drivetrain and system malfunction alerts. The vehicle became unstable and unsafe to operate while I was in traffic, forcing me to carefully maneuver off the roadway. This occurred without any prior warning or abnormal engine behavior, it was just so sudden. I brought the…

   NHTSA complaint #11705757 · source
5. Filed Jun 12, 2025PABrakesElectrical SystemEngine

   My vehicle spontaneously began displaying emergency signals including engine malfunction, turn signal malfunction, parking brake malfunction, brake light malfunction. I would also turn the car completely off and brake lights would remain on asymetrically. Also, the related alert bells would go off intermittently. I have kept my car in good repair and on a regular maintanence schedule. I took the car first to my mechanic who evaluated and said I should take to the Audi…

   NHTSA complaint #11666620 · source
6. Filed May 13, 2025FLEngineFuel, Hybrid & EV Propulsion

   Fuel pump has been recalled on other models but not mine. I have a 2018 audi q5. It had a warranty extension but the previous owner never claimed but if it would have been a recall then I wouldnt be having this problem . Now I have to replace the water pump and pay almost $2k for something that wasn't a recall.

   NHTSA complaint #11660676 · source
7. Filed Mar 25, 202549,000 miCATowedEngine

   The contact owns a 2018 Audi Q5. The contact stated while driving 30 MPH, the vehicle started to vibrate abnormally with the message "Engine Fault Detected" displayed. The driver was able to pull to the shoulder of the roadway, where the vehicle stalled and was unable to restart. The check engine warning light was illuminated. The vehicle was towed to an independent mechanic, who diagnosed a failure with the connecting rod bearings, resulting in damages to the engine. The…

   NHTSA complaint #11650481 · source
8. Filed Mar 16, 2025PAAirbagsEngineOther / Unknown

   I have owned the car for 2 years, purchased a 2018 Q5 from an Audi dealer. Within the first year, my thermostat failed causing the car to lose power and turn off while driving with my newborn baby. I also received the passenger airbag alert daily, which I did see there was a recall for this prior to buying the car. I also received the “add a quart of oil” message about 3 months after an oil change. I would like this car to be reviewed for excessive oil consumption. At the…

   NHTSA complaint #11648525 · source
9. Filed Feb 5, 2025170,000 miSCTowedEngine

   The contact owns a 2018 Audi Q5. The contact stated that while driving at an undisclosed speed, the vehicle had dealt with a loss of automotive power. A warning message "Shut off Engine, Check Cooling" had appeared in the instrument panel. In addition, the contact stated that the engine temperate gauge had risen. The vehicle was towed to a local independent mechanic, where it was diagnosed with a cracked coolant line. The vehicle was repaired twice however, the failure had…

   NHTSA complaint #11640878 · source
10. Filed Feb 5, 2025170,000 miSCTowedEngine

    The contact owns a 2018 Audi Q5. The contact stated that while driving at an undisclosed speed, the vehicle lost automotive power. The message "Shut off Engine, Check Cooling" was displayed on the instrument panel. In addition, the contact stated that the engine temperate gauge was elevated. The vehicle was towed to a local independent mechanic, where it was diagnosed with a cracked coolant line. The vehicle was repaired twice however, the failure reoccurred. The vehicle was…

    NHTSA complaint #11640813 · source
11. Filed Oct 23, 2024ILEngineTransmission & Drivetrain

    My truck was part of a recall regarding my water pump and coolant leaking. I went for service at the Naperville Audi dealership and they basically gave me the run around and didn’t honor the recall lied and said they replaced my thermostat and never did. I had my car towed twice on 10/22 basically left stranded. Audi corporate advised them to fix my car due to the recall and they failed to do so.

    NHTSA complaint #11621556 · source
12. Filed Sep 11, 2024MIElectrical SystemEngineSeats & Seat Belts

    The comfort control module in the trunk of the car was sitting in water due to an ingress of water coming in the car. The car would not start due to this water ingress and could have shut off completely on the freeway or while driving. This caused my car to completely shut off and malfunction. There were no warning lamps or messages of the problem. I found out about the problem by taking the car to the Audi dealership. They originally thought the problem was the gateway…

    NHTSA complaint #11614106 · source

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology