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Tata has introduced a 1.5-litre 4-cylinder naturally aspirated petrol engine with the new Sierra. Will Tata replace their existing 3-cylinder petrol engines in the Punch, Altroz, and Nexon with this 4-cylinder NA petrol engine?
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The Punch, Altroz and Nexon benefit from a lower tax slab since they fulfil two key requirements - their length is less than 4 meters, and their petrol engine capacity is less than 1200cc.
Even if one of the criteria is not fulfilled, these cars will fall under a higher tax bracket, resulting in a higher price. So, to answer your question, it is highly unlikely that the company will introduce Tata Sierra's 1.5L petrol in these compact cars.
The Altroz price starts at Rs 6.30 lakh (ex-showroom).

Tata Sierra
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Posted on: 9 Dec 2025
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