Currently reading: New kit converts original Mazda MX-5 to electric power

Powertrain from British firm Electrogenic packs 160bhp and more than 150 miles of range into NA roadster

Electrogenic, the British firm behind electric conversions for classics such as the Delorean DMC-12 and Mini, has launched a new kit for the original Mazda MX-5.

Designed to be completely reversible, it swaps the NA-generation roadster's four-cylinder petrol powerplant for a single electric motor.

This puts out 160bhp and 229lb ft of torque –  significant increases on the 128bhp and 110lb ft packed by the most potent version of the original engine.

It also replaces the original gearbox (either a five-speed manual or a four-speed automatic) with a new single-speed unit.

Acceleration is drastically improved: Electrogenic claims a 0-60mph sprint time of “around six seconds”, down from 8.5sec.

As well as extra thrust, the motor provides boosted stopping power via regenerative braking.

The strength of this can be adjusted using the various drive modes provided by the kit, such as Eco and Sport.

Electrogenic claims that its conversion yields a range of more than 150 miles between charges, thanks to the installation of 42kWh of battery capacity.

These are mounted under the bonnet (in place of the engine) and under the boot floor (replacing the fuel tank).

Electrogenic MX-5 – engine bay

Although the batteries add 100kg to the car's weight, Electrogenic claims the set-up preserves the 50:50 front-to-rear weight distribution that defines how the MX-5 handles.

“We’ve long been intrigued by the concept of a light, well-balanced, rear-wheel-drive electrified modern-classic, one that truly delivers when it comes to the old-school thrill of driving,” said Steve Drummond, CEO of Electrogenic.

Charging is done via a CCS socket and takes an hour.

The conversion can be done to all 1989-1997 MX-5s, a spokesperson for Electrogenic confirmed to Autocar, and it takes around a week to install. Pricing has yet to be confirmed.

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Charlie Martin

Charlie Martin Autocar
Title: Editorial assistant, Autocar

As part of Autocar’s news desk, Charlie plays a key role in the title’s coverage of new car launches and industry events. He’s also a regular contributor to its social media channels, providing videos for Instagram, Tiktok, Facebook and Twitter.

Charlie joined Autocar in July 2022 after a nine-month stint as an apprentice with sister publication What Car?, during which he acquired his gold-standard NCTJ diploma with the Press Association.

Charlie is the proud owner of a Fiat Panda 100HP, which he swears to be the best car in the world. Until it breaks.

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johnfaganwilliams 4 December 2024

I'm sure that Mr Martin has no plans to be an investigative reporter - but surely we might be told how much this going to cost?

LP in Brighton 4 December 2024

And another thing: the idea of providing adjustable energy recovery on a rear drive car without any electronic driving aids looks very risky. Just imagine what's going to happen if the owner dials up maximum recovery (to save energy) then lifts off the throttle on a sharp corner when the road is greasy...

Handbrake turns can be fun when the driver has control, less so when when an ECU takes control and there are obstacles about. 

Peter Cavellini 4 December 2024

And theirs the rub, EV power, Eco friendly and all that,and, no defo asking price?, suggested price might be £45K+? , em , no thanks.