Published : 26 November 2025
Read Time : 5 min
Author: Nikil Jonathan
Tata Motors have launched the much-awaited 2026 Sierra at a starting price of Rs. 11.49 lakh (ex-showroom). While the brand is yet to reveal the full variant-wise prices of the new Sierra, we expect the top variant to cost as much as Rs. 20 lakh.

In this article, we compare the 2026 Sierra’s diesel engine specs with that of its rivals such as the Hyundai Creta and Kia Seltos.
The new Sierra uses the same 1.5L diesel engine that powers the Nexon and Curvv. In terms of rivals, the Sierra diesel takes on the Hyundai Creta and Kia Seltos. The Hyundai and Kia SUVs share the same 1.5L diesel engine and transmission options.
Check out how the Sierra diesel compares against its rivals in the table below:
Check out the links below for more information about the 2026 Tata Sierra:
2026 Tata Sierra Petrol, Diesel Variants Explained — Which One To Buy?
2026 Tata Sierra Variant-Wise Engine And Transmission Options
2026 Tata Sierra Vs Rivals – Petrol Engine Specs Compared
2026 Tata Sierra — All Exterior Colour Options (Variant-Wise)
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Content Writer
Nikil's a huge fan of classic cars, especially Italian beauties such as the Alfa Romeo Giulia Sprint and the Iso Grifo. His love for cars and bikes originated when he first laid his eyes on a poster of the Ferrari F40 and the MV Agusta F4 when he was just a child. He also loves all things analogue, especially vintage cameras and turntables.

























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