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The Mission E is presumably aiming to set a new benchmark for EVs, making up for its lack of aural presence.

Porsche's Mission E appears to have begun track testing at the famed Nurburgring circuit.A spotter video posted by France's L'Automobile Magazine shows a disguised test mule shrouded in potentially misleading bodywork, though its faux tailpipes do not make any noise to complete the deception.

The all-electric sedan is expected to employ a dual-motor setup with an 800-volt electrical system, targeting a sprint to 60 mph in less than 3.5 seconds and a top speed of at least 155 mph.

Startup NextEV's Nio EP9 briefly claimed the title of "fastest electric car in the world," despite its dubious production qualifications, with a 7m 05.12s lap around the Nurburgring Nordschliefe.

The circuit is particularly challenging for fully electric vehicles. Less than 13 miles may seem like a walk in the park, but sustained high current draw causes quickly builds heat in electric powertrains and batteries.

The Mission E will presumably be aimed at the Tesla Model S, known for its drag-strip prowess but shy from the Nurburgring. An unofficial Model S 'Ring lap is said to have started with an impressive pace, keeping up with a Porsche 911 GT3, however the 4,700-pound sedan entered a power reduction mode after just three minutes.