The Tesla Model X is a mid-size all-electric luxury crossover utility vehicle (CUV) made by Tesla, Inc.. The vehicle is unique in the concept that it uses gull-wing doors instead of traditional automotive doors. The prototype was unveiled at Tesla’s design studios in Hawthorne on February 9, 2012. The Model X has an official EPA rated 237–295 mi (381–475 km) range and the combined fuel economy equivalent and energy consumption for the AWD P90D was rated at 89 mpg‑e (39 kW⋅h/100 mi).
The Model X was developed from the full-sized sedan platform of the Tesla Model S. The Model X has an EPA Size Class as an SUV, and shares ~30% of its content with the Model S, half of the originally planned ~60%, and weighs about 10 percent more, both are being produced at the Tesla Factory in Fremont, California. First deliveries of the Model X began in September 2015. After one full year on the market, the Model X ranked in 2016 seventh among the world’s best-selling plug-in cars. Global cumulative sales since inception totaled 106,689 units through September 2018