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SCOOP! Tata Sierra to return as an EV solely | Autocar India

Written by Rashmi

Printed On Jan 07, 2022 04:33:00 PM

New Sierra to be Tata’s first devoted electrical automobile; will sit on new Sigma pure-EV platform; there might be no IC engine variations.

Amped up by the Nexon EV’s success, which has made Tata Motors the EV market chief in India, the model is surging ahead with a complete electrical mannequin onslaught. Having established a new EV subsidiary TPEML and a conflict chest of Rs 15,000 crore on product improvement, Tata Motors has introduced that it’ll have a 10-EV portfolio within the subsequent 5 years.

Arguably probably the most vital of those, and probably the most talked about since its debut in idea type at Auto Expo 2020, would be the all-new Tata Sierra. Sources inform us it has now been green-lit for manufacturing, and what makes it significantly vital is that will probably be Tata’s first stand-alone EV-only mannequin, and the primary on a brand new ‘Born Electrical’ platform. Listed below are a number of key issues it is advisable to learn about it.

There might be no petrol or diesel Sierra

Our older readers might keep in mind the Sierra as being the primary true SUV from Tata Motors (or TELCO, because it was identified again then). It featured a singular three-door design and an iconic styling function within the type of lengthy (unopenable) rear home windows that curved upwards into the roof. It was primarily based on a pick-up truck platform, powered by a 2.0-litre diesel engine (first naturally aspirated, later turbocharged), and received the choice of 4WD.

Nevertheless, nostalgic nameplate apart, the brand new Sierra, apart from some design cues which will pay homage to the unique, may have little in widespread with the unique. For a begin, there might be no diesel engine – in reality, no combustion engine in any respect, ever. The brand new Sierra might be a born-electric product, which implies will probably be engineered as an EV from the very begin, with no possibility of a standard petrol or diesel engine, because of its new Sigma platform that merely gained’t accommodate an ICE powertrain. Extra on this in a bit.

Sources have instructed us that, in contrast to the three-door structure of the unique, or the distinctive ‘four-door’ structure (one door on the motive force facet, two doorways on the passenger facet) of the 2020 idea, the manufacturing Sierra EV will function a standard five-door structure.

What’s the Sigma platform?

Whereas Tata’s present EVs – the Nexon and Tigor – are primarily based on the identical platforms as their petrol and diesel-powered counterparts, albeit modified to accommodate batteries and motors as an alternative, the Sierra will sit on a devoted EV platform. Primarily based on the X4 or ALFA platform of the Altroz and Punch, the brand new Sigma platform has been closely re-engineered across the battery pack to keep away from any compromises and to optimise packaging.

These modifications will embrace the deletion of the transmission tunnel, modifications to what would have been the gasoline tank space, and the facet members pushed to the edges to unlock area. These modifications are additionally more likely to make the Sigma platform lighter, extra power environment friendly and extra spacious than ICE platform-based EVs. Because of these modifications, the platform, after all, will be unable to assist combustion engines and their ancillary parts, however then these are effectively catered to by Tata’s ALFA and OMEGA platforms.

New Tata Sierra gained’t launch earlier than 2025

Whereas improvement of the Sierra may already be underway, the all-electric SUV continues to be some time away from a market debut, which doubtless gained’t occur earlier than 2025. As talked about earlier, there are a minimum of six fashions deliberate, however those who come earlier than the Sierra might be primarily based on current ICE platforms or might be upgraded variations of current fashions. You’ll be able to count on extra fashions past the Sierra on the Sigma platform, in addition to bigger fashions that may sit alongside the Harrier and Safari. For extra info, choose up the January 2022 subject of Autocar India journal.

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Rashmi