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 cars have been registered in Norway through December 2017. Retail deliveries began in August 2013, and a total of 213 units were registered in 2013. The Model S, with 496 units registered, ranked as the top selling plug-in electric car in the country in 2014. With 835 units sold during the first seven months of 2015, the Model S outsold combined Swiss sales of the luxury segment including such models as the Mercedes S-Class, Audi A8 and BMW 7 Series during the same period. Cumulative Model S sales totaled 3,060 units up until June 2016, which includes units sold in