Tesla Model X Model X deliveries had gone to US customers. Nevertheless, in January 2016 a Tesla car other than the Model S was registered in Germany and a Tesla Model X was sighted driving there with a license plate from Ingolstadt. Since the Audi headquarters are located in Ingolstadt, this led to speculation that Audi has acquired a Tesla Model X as part of its effort to develop its own battery-electric SUV. Tesla produced 507 Model X in the fourth quarter of 2015, of which 206 were delivered to customers. Model X sales totaled 2,400 units during the first quarter of 2016.
Tesla Model S upgraded the height adjustment feature for Model S cars equipped with air suspension to remember locations that require higher clearance such as those with potholes and steep driveways, and automatically adjusts to avoid them. Beginning in September 2014, Model S vehicles come equipped with a camera (supplied by Mobileye) mounted at the top of the windshield, forward looking radar (supplied by Bosch) in the lower grille, and ultrasonic acoustic location sensors in the front and rear bumpers that provide a 360-degree buffer zone around the car. This equipment allows Model S to detect road signs, lane markings, obstacles, and other