SaveMyCar

Is your car safe with today's ethanol petrol? Pick your car and find out — plus the simple fix if it isn't.

1 · Choose your car

Brand

Model

Year

Give your engine a little help

Your 2018 Swift is older than today's 20%-ethanol petrol. Mixing in a little ethanol-free premium (XP100) protects its seals and fuel lines. Here's the easy recipe for your 37-litre tank.

2 · Fill your tank like this

Fill ratio (XP100 : Regular) = 12 : 25

Premium to add

Mix into

12L

XP100

25L

Regular

This drops the ethanol in your tank from 20% to 14% — gentler on an older engine, with a cleaner, higher-octane burn.

Blend octane

93.9

RON

Blend ethanol

13.5%

was 20%

Extra cost

+₹780

+21% vs regular

Before → after · this 37L fill

Ethanol in tank20.0% → 13.5%

Octane (RON)91 → 94

All regular

₹3,774

Your blend

₹4,554

You pay extra

₹780

Fuel prices

LIVE

State / UT

City

XP100

₹167/L

XP95

₹109/L

Regular

₹102/L

Live rate for Delhi, updated 21 Oct. XP100 is estimated.