2015 Audi Q5 Complaints

Audi Dealer inspection report said severe rear sub frame rust is a safety issue and requires replacement

The contact owns a 2015 Audi Q5. The contact stated when the vehicle was driven to the independent mechanic for an inspection for a possible oil leak, the mechanic observed that there was a significant amount of corrosion on the rear sub frame of the vehicle. The contact was advised by the mechanic that the vehicle was unsafe to drive due to the extreme corrosion of the rear sub frame. The vehicle was not taken to a dealer to be diagnosed or repaired. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 110,000.

Cylinder #3 lost compression, down to 30 psi from 170 psi, causing the car to lose power and run extremely rough or not run on occasion. This is a safety hazard, especially risky for highway driving. There were no warning messages, car just start running very rough or wouldn't start. Such loss of compression has been reported by an Audi service manager who says Cylinder #3 is known to have this issue, but there is no recall for it yet. The problems began in May 2021. The car was drinking/consuming oil frequently and occasionally running rough. It was taken to multiple mechanics to identify the issue. Fixes included changing spark plugs, coils, and the PCV valve to provide temporary solutions at best. 5/24/21 increased consumption of oil began 9/9/22 rough idle, spark plugs replaced 10/14/22 rough idle and burning oil, taken to a service shop, replaced the PCV valve 7/12/23 rough idle again, spark plugs replaced again under warranty 2/14/24 - rough shake again, spark plugs replaced...

Sub frame is rusted out. Major safety issue. Confirmed by 3 independent auto repair shops. Removing and replacing the rear sub frames. $ 1800.00

I was driving down the road when the steering stop working and I could not control the direction that the tires moved. The direction of steering would not respond to my movements and I was unable to control the car. I was able to break and bring the car to a stop, however, if I were moving at a much faster speed this would have been extremely dangerous. I brought the car to our mechanic and we were informed that the tie rods were broken, the threading on the attachment pieces was completely rusted out and the threads were bare. The piece simply came apart and was malfunctioning. No warning signs or service lights came on in the vehicle before this happened and we had no indication that there would be an issue with the steering when operating the vehicle. Our mechanic told us this was one of the most dangerous things he's ever seen happen in a car and that our life was at risk. We regularly have our car inspected and serviced and there was no indication that this would happen. Our car h...