Tata Sierra CNG Spotted Testing

The Tata Sierra is currently available with three engine options – a 160bhp, 1.5L direct-injection turbo, a 106bhp, 1.5L naturally aspirated petrol and a 118bhp, 1.5L diesel. The SUV lineup is set to expand further with the launch of the Sierra EV, which is scheduled to debut on June 30, 2026. Interestingly, a test mule…

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