Sebastian Vettel doesn't believe Formula E is the future of motorsport, saying the all-electric series' cars are neither fast nor exciting.

Despite Vettel's negative view, Formula E's popularity is rising, both with the fans and with the competitors as an increasing number of official manufacturers join the high energy fray.

Renault, BMW, Audi and Jaguar are already present in the category, and Porsche and Mercedes will field new teams in 2019, as both high profile manufacturers follow the trend, believing Formula E reflects the general direction of the automobile industry.

Vettel however remains unimpressed by the burgeoning series.

"To me, this is not the future," the four-time F1 world champion told Swiss newspaper Blick.

"E-mobility is currently very popular in the world, but anyone who is honest and identifies with motor racing does not think much of Formula E.

"The cars are not very fast and many drivers who drive there tell me that the driving is not very exciting," the Ferrari driver added.

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