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 of 104 miles per gallon gasoline equivalent ( or ). In 2016, Tesla updated the design of the Model S to closely match that of the Model X. , the following versions are available: 75D, 100D and P100D. In 2013, the Model S became the first electric car to top the monthly new car sales ranking in any country, twice leading in Norway, in September and December 2013 and also in Denmark in December 2015. Global Model S sales passed 250,000 units in September 2018. The U.S. is its leading market, with about 119,000 units delivered through December 2017. The