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.
Plug-in electric vehicles in the United States 94% of the plug-in sales. In 2014 the Leaf took the lead, with 30,200 units sold, with the Volt ranking second with 18,805, followed by the Model S with 16,689 units. The Tesla Model S, with 25,202 units delivered, was the top selling plug-in car in 2015, followed by the Nissan Leaf with 17,269 units, the Volt with 15,393, and the BMW i3 with 11,024. For a second year on a row, the Model S was the top selling plug-in car with about 29,156 units sold in 2016, followed by the Volt with 24,739, Model X with about 18,028, Ford