Tesla Model X According to Tesla Motors, deliveries were lower than expected because production was impacted by severe Model X supplier parts shortages in the first two months of 2016, and because Tesla had been too ambitious in wanting advanced features (committed "hubris"). The first Model X that didn't need corrections was made in April 2016. Sales during the second quarter of 2016 totaled 4,638 units. Although production was up 20% from the previous quarter, the number of vehicles in transit at the end of June 2016 was much higher than expected (5,150 including Model S cars), representing 35.8% of the number of
Tesla Model S 33,000 units due to a deficit in production of 2,000 units during the third quarter of 2014. The company expected its annual production to increase another 50% in 2015. Tesla set a target of between 50,000 and 52,000 deliveries for Model S and Model X cars in 2015, and delivered 50,658 units. Tesla sold more than 50,000 Model S cars globally in 2016, making it the world's top selling plug-in electric that year. In 2017, it became only the second EV to sell more than 200,000 units behind the Nissan Leaf. U.S. deliveries began June 2012. Deliveries of the 60