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Front suspension ball joint failure occurred while driving approximately 70 mph on an interstate highway, resulting in sudden loss of vehicle control and requiring immediate emergency response. The vehicle is a 2023 Audi e-tron A5.  Two weeks prior to the sudden failure, an Audi dealership inspected the same front corner of the vehicle following earlier damage and stated that the front suspension and wheel components were safe and the vehicle was fit to drive, replaced the rear right tire and recommended replacing the rear wheel housing after not being able to get the full car alignment to spec. I told them I wanted to defer that service until later in February unless it was catastrophic when we discussed the findings. They told me that the car was safe to drive and proceeded with the wheel alignment and replacement on the rear.   The ball joint failure was catastrophic and presents a serious safety concern, particularly given the recent dealer inspection and the short time between inspection and failure. Warranty coverage was later denied by the dealership, despite having just inspected the car for damage and claimed that the failure of the front ball joint was caused by deferring the rear wheel housing service.   I am submitting this complaint due to the safety implications of a suspension component failure at highway speed and concern that the defect may have existed and should have been detected during the prior inspection.

AUDI Q4 E-TRON 2023 SUSPENSION

As I began to move the car, the vehicle suddenly accelerated on its own. I attempted to brake before reaching the stop sign, but the car continued to gain speed. I estimate the vehicle reached approximately 60 mph. Within seconds, I collided with two vehicles and then a palm tree, sustaining a frontal impact. The entire incident occurred within approximately two to three seconds, during which the vehicle accelerated rapidly. Despite the collision, the airbags did not deploy, the seat belt did not lock, and neither the brake system warning nor the automatic braking system activated.

AUDI Q4 E-TRON 2023 FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

Primary issue is electric shock hazard and limb dismemberment. It was confirmed by an Audi service tech that all Audi Q4s have dangerous gaps in every door. My child 8 years old got her finger caught between the panel and door frame. She could have cut or worse lost her finger should the door rapidly open or close. Wires are exposed leaving the easy situation of access to wires with sharp metal objects that a kid could do. Open door panels have sharp edges leading g to easy cuts. As the wires are colorful and visually appealing a kid would be enticed to try to acquire. The techs will not close the panel to frame since this is Audiâs deliberate design. Tech claims to have fixed but clearly was not touched.   Audi should be required to redesign door paneling and reinstall proper paneling. All door paneling to the door frames should be closed and secured with zero gaps. Video claiming this normal is found here [XXX] &section=RECOMMENDATIONS&shouldOpenInspectionsReport=true INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

AUDI Q4 E-TRON 2023 UNKNOWN OR OTHER

I purchased the Audi Q4 Etron new.  The issue that I'm bring up is 'self-acceleration'  I had the intial incident 10/2025  where the car self accelerated (Audi Case open) but can't reproduce which almost pin a kid between my vehicle and another vehicle.  I was able to react quickly to prevent a death.  Second time 'self-acceleration" was on 3/27/25.  My son pulling into garage with my sitting next to him, the car self accelerated after coming to complete stop, jumped a pakring block and crashed into my garage wall.  Dealer had the car for 2-3 weeks and still couldn't replicate.  Third incident was 10/30/25 while at a complete stop in traffic leaving a parking lot, the car was at complete stop and 'self-acclerated' into the vehicle in front. This incident caused my vehcile to be total-loss by insurance.  Audi case was also open and they said no fault and told me it's an insurrance matter.  I believe there are many cases like mine and they are aware.  There are lots of discussion on the defective 'self-accelreation' on Audi Q4 Etron.  take a look at this link "https://www.reddit.com/r/etron/comments/16ta6qe/beware_of_the_q4_etron_sudden_acceleration/"

AUDI Q4 E-TRON 2023 EXTERIOR LIGHTING:TAIL LIGHTS

2023 Audi Q4 e-tron — vehicle data sourced from FuelEconomy.gov.

L'Audi Q4 e-tron 2023 est un VUS électrique compact conçu pour la praticité et l'efficacité. Avec une autonomie impressionnante et une consommation d'énergie optimisée, il se positionne comme un choix judicieux pour les déplacements quotidiens.

Audi Q4 e-tron (2023) Spécifications