⚡ E20 vs E85 vs Petrol – Which Fuel Wins?

Complete comparison of price, mileage, emissions, and performance in India (2026)

💰 Current Prices (Delhi, June 2026)
E85
₹74.28
/litre
E20
₹87.15
/litre
Petrol
₹94.72
/litre

✅ E85 is ₹20.44 cheaper than petrol per litre!

📊 Detailed Comparison Table

ParameterPetrolE20E85
💰 Price per Litre (Delhi)₹94.72₹87.15₹74.28 ✅
🌍 Ethanol Content0-10%20%80-85% ✅
🚗 Compatible VehiclesAll Petrol CarsAll Petrol Cars (2019+)Only FFVs
🌱 CO2 ReductionBaseline~15% lower~61% lower ✅
⚡ Octane Rating (RON)91~95~108 ✅
🔧 Engine WearStandardMinimalOnly for FFVs

💰 Yearly Savings Calculation

For a car running 15,000 km/year with 15 km/L mileage:

  • Petrol: ₹94,500/year
  • E20: ₹87,150/year (Save ₹7,350)
  • E85 (FFV only): ₹74,280/year (Save ₹20,220!)

⚠️ Important: E85 is ONLY for Flex Fuel Vehicles (FFVs)

Do NOT put E85 in a regular petrol car. It will damage the fuel system, rubber seals, and void your warranty. Check your car's compatibility first.

🔍 Check if YOUR car supports E85 →

🌍 Environmental Impact

  • E85: 61% lower lifecycle emissions than petrol
  • E20: 15-20% lower emissions
  • E85: Near-zero particulate matter → cleaner city air

⚡ Performance: Octane Rating

Higher octane = better engine performance, less knocking, smoother ride.

🏁 Verdict: Which Fuel Should You Choose?

✅ If you have a Flex Fuel Vehicle (FFV): Choose E85. It's cheaper, cleaner, and gives better performance.

✅ If you have a normal petrol car (2020+): Choose E20. It's government-approved and slightly cheaper than petrol.

✅ If you have an older petrol car (pre-2019): Stick to regular Petrol or consult your manufacturer about E20 compatibility.

🏠 Back to Home 📰 Read E85 Launch News