Electric restomod specialist Everrati has made a name for itself turning old 911s (and other classics) into EVs, but so far the British firm has focused squarely on the 964-generation 911 built between 1989 and 1994. That makes plenty of sense because the 964 retained most of the character and look of the ‘classic’ 1974-89 G-Series, impact-bumper, 911, but with the addition of safety and luxury kit like power steering and anti-lock brakes.

But for its latest creation Everrati has stepped back in time. The Brit firm’s newest 911 uses a G-Series donor, and backdates that base to resemble the rare lightweight, 911 ST from the early 1970s. You’ve probably heard that Porsche is working on its own interpretation of the classic ST, but that will be based on the latest 992-generation 911.

So Everrati’s version is simultaneously more retro and more futuristic than Porsche’s ST because it’s based on genuine classic donor, but mates it with an electric drivetrain – something the modern 911 won’t get until 2030 at the earliest.

The look of Everrati’s ST is down to Porsche specialist RS Werks from Pennsylvania, in the U.S., rather than California-based Aria Group, which builds the firms 964-based cars. But instead of the high-revving 2.5-liter flat-six you’d find in an original ST, the restored all-steel body houses a 440 hp (446 PS) electric drivetrain.

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That power is transferred to the fat rear wheels through a limited slip differential and is claimed to take the modded Porsche to 60 mph (96 km/h) in less than 4 seconds, making it far faster than an original ST. And a 62 kWh battery pack gives more than 200 miles (322 km) of electric range, though obviously not if you’re trying to lay down sub-four times from every stoplight.

While the original ST was a bare-bones racer with license plates, Everrati’s new one is rather more civilized, featuring air conditioning, power steering, Apple CarPlay and TracTive adaptive dampers. You’d imagine that the addition of those niceties, plus the electric drivetrain surely means the new ST hasn’t a chance of matching the circa-2,200 lbs (998 kg) weight of the original, and Everrati doesn’t supply a figure, though it does claim that weight and weight distribution is targeted close to the numbers for the real thing.

Everrati hasn’t revealed a price for the ST either, but going by the cost of the firm’s 964 conversions you’re looking at more than $350,000, whereas we’re expecting Porsche’s new 992-based ST to come in below $300k. Which ST would you pick?