Petrol vs Diesel Fuel Cost Calculator — Which Is Cheaper?
For 1,000 km: Petrol (₹104/L, 15 km/l) = ₹6,933. Diesel (₹90/L, 20 km/l) = ₹4,500. Diesel saves ₹2,433 per 1,000 km — 35% cheaper. Over 15,000 km/year: ₹36,500 annual savings.
Fuel Required
27.78 L
Cost per km
₹5.78
Total Fuel Cost
₹2,889
Actual fuel consumption varies with driving style, traffic, AC usage, and load. Petrol prices in India (Apr 2026): ~₹100–107/L in major cities. Diesel: ~₹90–95/L.
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Calculated with CalcHub