Tata Sierra CNG Spotted Testing with dual-cylinder i-CNG technology, practical boot space, and mileage upto 25 kmpl. Launch expected in 2027 with starting price of Just ₹18 lakh.
Once a dream SUV for an entire generation, the Tata Sierra is now catching attention of buyers with new upgrades. And now, the latest development hints Tata Motors is testing more economical version of Sierra. Yes, the Tata Sierra test mule equipped with emission testing equipment is spotted near Pune, strongly hinting at a new i-CNG variant. Expected to feature dual-cylinder CNG technology, around 21 to 25 km/kg fuel efficiency, and launch by late 2027. With expected pricing of ₹14 to ₹18 lakh, the Sierra CNG is looking like Tata’s next big volume driver in premium SUV segment.
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Latest Update on Sierra CNG
The biggest update right now is that the Tata Sierra is spotted testing with emission monitoring equipment near Pune, strongly hinting at a new i-CNG version. While Tata Motors has not officially confirm it, the company had earlier indicated that the ARGOS platform supports CNG technology that makes the Sierra a strong candidate for this fuel option. Another fact is that the Sierra already crossing 1 lakh bookings and there is strong demand for Tata’s i-CNG range.
So, the chances of a factory-fitted Sierra CNG are growing stronger than any other model of brand. And the upcoming Sierra i-CNG likely to feature Tata’s dual-cylinder setup, helping retain usable boot space while lowering running costs. It could use the 1.5-litre naturally aspirated petrol engine and offer upto 25 km/kg efficiency. Reports suggest the launch could take place by late 2026 or early 2027.
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Powertrain, Mileage, & CNG Technology
So, what if Tata approves and bring CNG Engine. Well, if Tata greenlights the Sierra CNG project, the SUV is likely to use a 1.5-litre naturally aspirated petrol engine that will produce around 106 bhp and 145 Nm power. Not to forget this, the Tata’s advanced 1.2-litre turbo-petrol i-CNG setup remains main possibility.
And the biggest attraction expected 21 – 25 km/kg mileage that delivers significantly lower running costs. Tata also expected to use its dual-cylinder i-CNG technology, which helps preserve boot space and accommodate a spare wheel. To get more excitement, reports also claim that the Tata may even offer a 7-speed DCT automatic gearbox, potentially making the Sierra one of India’s first premium automatic CNG SUVs.
Tata Sierra CNG Design, Dimensions, & Practicality
Tata Sierra CNG expected to retain the SUV’s distinctive styling with connected LED DRLs, flush door handles, large alloy wheels, and the iconic wraparound rear glass that pays tribute to the original Sierra. Built on Tata’s ARGOS platform and measuring around 4.3 metres long, Sierra likely to benefit from dual-cylinder i-CNG technology which will help to preserve luggage space and everyday practicality while retaining a spare wheel.
New Sierra CNG Interior, Comfort, & Technology Features
Coming to inside and advanced tech features, the Sierra CNG expect to offer the same premium cabin experience as the standard model, featuring a panoramic sunroof, ventilated front seats, powered driver’s seat, dual-zone climate control, wireless charging, and ambient lighting.
And new smart technology highlights like a 12.3-inch touchscreen infotainment system, fully digital instrument cluster, connected car features, wireless Android Auto and Apple CarPlay, premium audio system, OTA updates, and voice commands are also going to be part of Tata Sierra CNG Variant.
Tata Sierra CNG Suspension & Safety Features
Well, the comfort-oriented ride quality with a well-balanced suspension setup is Tata motive so brand likely to continue same features in riding and suspension. Some sources also claims that Tata may fine tune the rear suspension to get help in the additional weight of the CNG cylinders.
When come to safety Tata is at the Top of Table in Indian market and likely to remain a key strength in the Sierra CNG. So, this model also likely to use safety features like six airbags, ESC, traction control, hill-hold assist, a 360-degree camera, electronic parking brake, parking sensors, and advanced Level-2 ADAS technology
New Pricing For Tata Sierra CNG
The most important factor to get success in Indian Market, the pricing of this model. For that, the Tata has not reveal any pricing but some inside reports suggest that the most likely Sierra CNG Price will start from ₹14 lakh and extend to nearly ₹18 lakh (ex-showroom). And the premium over standard petrol model likely to become main attraction of model that will make it attractive for high-mileage users.
When Tata Sierra CNG is Really Coming?
With recent data you all know that the Tata Sierra just return to the Indian market in early 2026 and shortly after its launch, Tata Motors confirm that it was evaluating both CNG and AWD versions based on customer demand. Recent camouflaged test vehicles and reports of internal CNG validation have further strengthen speculation.
However there is no official launch date announced but the Sierra CNG is widely expected to arrive in 2027 with potentially featuring Tata’s dual-cylinder i-CNG technology and significantly lower running costs.
With the first Sierra i-CNG test mule now spotted, Tata Motors is moving closer to bringing CNG technology into the premium SUV space. By combining the Sierra’s modern design and feature-rich package with its proven dual-cylinder i-CNG setup, Tata can attract buyers looking for lower fuel expenses without compromising practicality. So, if launched as expected this Sierra CNG model will strengthen Tata’s strategy of expanding alternative-fuel options beyond the sub-4-metre segment.