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Porsche Taycan is the Mission E's official production name
https://www.cnet.com/roadshow/news/porsche-taycan-electric-mission-e-official-production-name/
The Porsche Taycan will be the automaker's first official battery-electric sedan. Claimed to be a loose translation of "lively young horse," Taycan isn't pronounced like the Liam Neeson movie franchise, but instead tie-con.
Taycan keeps true to Porsche's tradition of using names that people will mispronounce more than a few times before getting it right.