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 plug-in cars available in the American market under 21 brands or marques, plus several models of electric motorcycles, utility vans and neighborhood electric vehicles (NEVs). , the Chevrolet Volt plug-in hybrid is the all-time best selling plug-in electric car with 148,556 units (both generations), followed by the Tesla Model S all-electric car with about 138,000, and the Nissan Leaf with 126,747. The Model S has been the best selling plug-in car in the U.S. for three consecutive years, from 2015 to 2017. , the United States had 12,203 charging stations across the country, led by California with 2,976 stations (24.4%).