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 ranked as the top selling plug-in electric vehicle in the U.S. with about 4,900 units delivered, followed by the Chevrolet Volt with 4,244 units. During 2013, the Model S was called as the least stolen car in the United States by the "Value Walk" financial website, with a theft rate of 0.15 per 1,000 units produced. By comparison, the U.S. average is 3.51 cars stolen per 1,000 produced. According to Edmunds.com, between January and August 2013 the Model S achieved a high market share of new car sales among the U.S. most expensive ZIP codes, as rated by Forbes, led