Whoopsy:
Porsche has had these electric Boxster running around as early as 2013.
I saw an electric Boxster at Weissach while attending the 918 long-lead preview in August, 2011. They were giving rides. I declined a ride since our family had a Tesla Roadster since early 2009, which was reputed to be a bit faster.
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Mike
918 Spyder + Tesla Roadster 1.5 & Model S + Panamera Turbo + BMW Z8 + BMW 3.0 CSi + Bentley Arnage T