
KEY HIGHLIGHTS
- The Sierra was shown in a near-production guise at the 2025 Auto Expo.
- It is expected to be launched sometime later this year.
- The Sierra is likely to debut the larger 1.5-litre turbo-petrol engine, along with all-wheel drive.
The Tata Sierra is one car people have been waiting for quite a while now, and it has been spotted testing yet again. The Sierra is going to be an important car for Tata given the history behind it and the brand recall it seems to enjoy.
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Tata Sierra Spotted Testing Again; Details!

The new Sierra will feature a boxy design, unlike Tata's current designs that have been more rounded and curvaceous, especially in recent times. However, the width of the design also gives the car a muscular stance. While Tata has confirmed there will be both EV and ICE powertrain options, it is currently difficult to identify the model in these pictures.

From what we saw at the 2025 Auto Expo, the design makes use of futuristic elements, such as a full length light bar on both ends, with the tailgate especially looking rather neat, featuring a slim tail light and no spare wheel mounted on the tail lamp. In the profile, the wraparound glass treatment is not actually all-glass anymore, but rather it is a plastic panel. We can expect it to feature 16 or 17-inch alloy rims too.
The Sierra will be offered with ICE and EV powertrain options. Other than the fact that the new Sierra EV will be built on the new Acti.ev platform, rest of the technical details remain under wraps for now. However, similar to the Curvv EV, the Sierra EV will also likely be aiming for 500km on a single charge. The Sierra EV could also likely be powered by a dual-electric motor setup in higher trims, since the Acti.ev platform can accomodate front-wheel, rear-wheel, and all-wheel drive.
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Meanwhile, the combustion-powered Sierra will likely share the new ATLAS platform with the Curvv. This platform is known to feature all-wheel drive or 4x4 capabilities, and Tata Motors could likely make a return to the 4x4 segment by equipping the Sierra with this tech. Along with the 2.0-litre turbo-diesel mill, the ICE Sierra could also be powered by the new 1.5-litre Hyperion turbo-petrol engine.
Source: Rushlane
Verdict
The Tata Sierra might just be one of the most important launches for the car maker this year, given that it is bringing back a long-lot nametag. It remains to be seen whether people will accept it right away or slowly warm up to it.