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 California of plug-in electric cars in the state passed the 200,000 unit milestone in March 2016. By November 2016, with about 250,000 plug-in cars sold in the state since 2010, China was the only country market that exceeds California in terms of cumulative plug-in electric car sales. The top selling models in 2017 were the Chevrolet Bolt (13,487), Tesla Model S (11,813), Tesla Model X (6,910), Fiat 500e (4,943), Nissan Leaf (4,418), and Volkswagen e-Golf (3,202). Tesla Inc. listed as the best selling plug-in manufacturer in 2017, with combined sales of its Model S and X totaling 18,723 units (Model 3