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 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