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 the Model S in 2015 due to poor reliability, one year later, "Consumer Reports" added the car to its recommended list. Tesla said that after three years (by June 2015), Model S cars traveled over 1 billion miles (1.6 billion km), the first plug-in electric car to reach that total. In 2014 the Volt total was 629 million all-electric miles (1 billion km) out of a total of 1 billion miles traveled, while Nissan said the Leaf had accumulated 625 million total miles. Tesla said 68% of Model S travel was in North America, 25% in Europe and 7% in