Have you ever noticed something strange? Your car struggles to cross 12 kmpl when you drive it, but the moment you hand the keys to someone else, it suddenly touches 16 kmpl: same engine, same fuel, same roads. So the biggest factor affecting your car’s fuel efficiency is not what is under the bonnet, it is what is behind the steering wheel. Your driving habits, the small everyday decisions, are silently draining your tank, but the good news is you do not need to spend a single rupee to fix this. Just a few small changes can make a difference. So, here is everything you need to know.
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1. Smooth Acceleration – How To Improve Car Mileage
The moment the light turns green on the traffic signal, your sudden acceleration and pressing of the pedal so hard gives you an instant rush, but costs in lowering your vehicle’s fuel efficiency because at that time your engine is gulping fuel at a rate several times higher than it would during steady cruising or steady acceleration.
The fix is simple. Accelerate gently and progressively because when the engine stays in its most efficient RPM range, and your transmission shifts smoothly, then your fuel consumption drops noticeably. This one habit alone can improve your city mileage by up to 20 per cent.
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2. Steady Speed
Highways are where most people expect to get their best mileage from their vehicle. But only if you drive correctly. The biggest mistake on a highway is constantly varying your speed and speeding up to overtake, slowing down, speeding up again. Every acceleration costs fuel. Every unnecessary braking wastes the momentum your engine already worked hard to build.
Pick a steady speed between 60 and 80 kmph, and make sure your vehicle’s RPM is between 1500 and 2000. That’s where things get interesting: this is the sweet spot where most petrol and diesel engine turbochargers’ power bands come in. If you stress the turbocharger less, your vehicle’s mileage will increase. If your car has cruise control, use it on long stretches of the highway.
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3. Tyre Pressure – How To Improve Car Mileage
This is the most overlooked mileage tip in existence and one of the most impactful. Under-inflated tyres create more rolling resistance, which means your engine has to work harder to move the car forward. Under-inflated tyres can reduce fuel efficiency by 3 to 4 per cent. Make sure you check tyre pressure at least once a month. The correct pressure for your car is printed on a sticker inside the driver’s door frame. This takes five minutes and costs nothing.
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4. Service Your Car
A choked air filter forces your engine to work harder to breathe. Dirty engine oil increases internal friction. Worn spark plugs cause incomplete combustion. Each of these issues quietly reduces your mileage without making the car feel any changes, which is why so many people ignore them until something actually breaks.
Stick to your manufacturer’s recommended service intervals without exception. Change the engine oil and filter on schedule. Replace the air filter as recommended. Keep the fuel injectors clean. A well-serviced engine delivers the mileage it was designed to deliver and eventually will save a large repair bill.
5. Turn Off Engine And Use AC Wisely – How To Improve Car Mileage
If you are stuck at a long railway crossing or waiting outside a school, turn the engine off because the fuel saved by turning off for just 2 minutes is more than the fuel used to restart it. Many newer cars now come with an automatic start-stop system that does this for you at traffic lights.
On a summer afternoon in India, everyone has felt this discomfort when they park their car in open sunlight, and the cabin heats up to 50 degrees, requiring maximum cooling to recover. This eventually reduces car mileage. So Park in shade wherever possible so the cabin does not heat up. When you first get into a hot car, open the windows and let the hot air escape before switching on the AC. Once the cabin has cooled to a comfortable temperature, reduce the AC intensity rather than running it continuously at maximum. All these precautions can increase your car mileage.
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Hi, I’m Ravindra Meena , a bike and automobile enthusiast. I share honest reviews, mileage tests, and latest updates about bikes, cars, and EVs to help you make the right choice. Stay connected for real-world insights and trending auto news! 🏍️🚗