What owners reported to NHTSA, by component. One complaint can name several components.
Sep 26, 2026Electrical system
I tried to charge my Q4 at home, the charging connector to the car had warning red light. So, I checked up dashboard. It's said that AC charging is limited. Eventually, I can't charge. I went to the audi dealer. They said it's simple software issue. Waited 2 hours, one day works fine. Same issue. They don't know what to do. I am still wating from audi USA.
Sep 11, 2026Vehicle speed control⚠ Crash
The contact owns a 2025 Audi Q4 Sportback E-tron. The contact stated that while the vehicle was inside the car wash, the contact shifted the transmission from neutral(N) to drive(D), but the vehicle experienced unintended acceleration. The contact lost control of the vehicle and crashed into the car wash wall, damaging the front driver's side of the vehicle. Police arrived at the scene, but no police report was filed because the crash had occurred on private property. The vehicle was towed to a tow yard. The dealer was notified of the failure. The failure mileage was approximately 14,000.
Aug 5, 2026Service brakes, Forward collision avoidance
I am filing a safety complaint regarding my leased 2025 Audi Q4 e-tron, leased new with under 500 miles and now at approximately 8,200 miles. The vehicle is available for inspection upon request. The vehicle has ongoing brake-related issues affecting low-speed operation: a rough or grinding brake pedal feel and intermittent brake squeal during rolling stops, turns, and parking maneuvers. The most concerning issue is unexpected parking brake or emergency braking activation during low-speed pull-off and parking maneuvers, causing the vehicle to abruptly jolt to a stop. This has happened approxim…
Apr 10, 2026Electrical system
Vehicle fail to start in drive mode. Noticed "Electrical System malfunction" error. Notified Audi chantilly. So far they didn't provide any loaner vehicle from Audi.
Feb 23, 2026Tires
Received a low pressure warning and got off the freeway at the next exit, less than 1/2 mile. Unable to stop on freeway. Before even changing lanes the tire blew out all pressure, total failure. Within 15 seconds of low pressure warning. Stopped immediately after exiting freeway and observed the tire was shredded (see pictures).
Dec 28, 2025Electrical system, Vehicle speed control, Service brakes
CRITICAL SAFETY DEFECT: HIGH-SPEED BRAKING SURGE & ELECTRICAL FAILURE Life safety concerning ! 1. Braking Failure at Highway Speeds: The vehicle exhibits a severe safety defect involving unintended acceleration/surging while braking. While driving in 'D' (Drive) mode at approximately 50 MPH, when applying the brakes to stop for traffic/red lights, the vehicle fails to decelerate immediately. Instead of slowing down, the vehicle surges forward against the braking input, feeling like a loss of regenerative braking authority. This results in extended stopping distances and near-miss collision ri…
Sep 26, 2025Electrical system
The contact owns a 2025 Audi Q4 E-Tron. The contact stated that the high-voltage battery message was displayed. While driving in a parking garage at 5 MPH, the "Driving System Malfunction" message was displayed. The message “Risk of Fire” was displayed. The contact exited and parked the vehicle. The vehicle was towed to the local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 7,000.