My daily commute to the office is around 15 km, and my monthly average driving is about 500 km. I live in Thiruvananthapuram and currently own an 11-year-old Hyundai Grand i10 and an MG Comet, which my wife mostly uses for her office commute. I am confused between the Tata Sierra Accomplished Plus Turbo Petrol and Diesel. The turbo petrol is priced at ₹26.8 lakh, while the diesel is ₹27.3 lakh. Considering better mileage and ethanol blending, is it better to buy the diesel since the price difference is around ₹50,000?

Asked by: ARUN K

Your daily driving of 15km a day does not justify opting for the Tata Sierra diesel, which isn’t as smooth or refined as the turbo petrol.

The Sierra 1.5 petrol is much nicer to drive, and though it won’t be as fuel efficient as the diesel, your minimal running won’t burn a hole in your pocket. The extra fuel cost will be compensated for by the Rs. 50,000 saving too.

All new cars are engineered to run on E20 fuel, so you won’t have a problem with the additional content either. So between the Sierra Petrol and diesel, it's the petrol we would opt for.

Tata Sierra

Tata Sierra

Answered by

Autocar India Team

Dec 26, 2025

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