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How to Improve Fuel Efficiency in Your Kia Seltos or Sonet

Improve fuel efficiency in your Kia Seltos or Sonet with smoother driving, correct cold tyre pressure, scheduled maintenance and sensible use of load, idling and climate controls.

By CarCody Team 4 min read

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To improve fuel efficiency in a Kia Seltos or Sonet, drive smoothly, keep tyres at the pressure specified for your vehicle, stay current with maintenance, and avoid unnecessary weight and idling. Kia does not give a guaranteed mileage increase for these habits. Equipment and specifications vary by model year, engine, transmission, trim and market, so use the owner’s manual for your exact vehicle and the tyre placard on the driver-side centre pillar.

Drive smoothly and anticipate traffic

Use moderate acceleration, build speed steadily and avoid full-throttle starts or racing between stoplights. Maintaining a reasonably steady pace reduces unnecessary changes in speed. Leave enough following distance to anticipate traffic and avoid needless braking, while always responding to road and traffic conditions.

Kia says fuel economy depends on driving habits and on where and when the vehicle is driven. Traffic, route and weather can affect what you achieve, so a change in driving style will not produce the same result on every trip. Kia Seltos owner’s manual and Kia Sonet owner’s manual.

Choose a moderate speed for the conditions

Higher speeds use more fuel, and Kia recommends moderate highway speeds as one way to reduce consumption. The cited manuals do not specify a single best cruising speed, so do not treat a particular number as a universal efficiency target. Adjust your speed to traffic, weather and road conditions, and obey posted limits.

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Headwinds and crosswinds can also reduce economy. Slowing down can offset some of their effect, but wind and other conditions remain outside the driver’s control. Seltos manual; Sonet manual.

Check tyre pressure when the tyres are cold

Underinflated tyres can reduce fuel economy and compromise handling and tyre safety. Use a good-quality pressure gauge and follow the target on your vehicle’s driver-side centre-pillar placard; do not rely on a generic pressure figure for every Seltos or Sonet.

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For the Seltos, Kia defines cold tyres as tyres on a vehicle parked for at least three hours or driven no more than 1.6 km. Sonet guidance also calls for checking recommended cold pressure and observing the vehicle’s load limits. Do not release air from warm tyres to make their pressure match a cold-tyre specification. A gauge measures pressure; your own placard or manual supplies the correct target. Seltos tyre-pressure guidance; Sonet tyre-pressure guidance.

Keep up with alignment and scheduled maintenance

Poor wheel alignment and neglected maintenance can increase fuel consumption. Follow the maintenance schedule for your specific vehicle; Kia notes that severe operating conditions may call for more frequent service. If the car needs diagnosis or service, Kia recommends professional attention through an authorised service partner. Seltos manual; Sonet manual.

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Use only lubricants that meet the specification for your engine. Kia’s listed oil grades vary by engine and model, so an oil that is right for one version may not be right for another. Check the exact manual rather than choosing a different oil in the hope of improving mileage. Kia lubricant guidance; Kia India owner-manual portal.

Travel lighter and avoid unnecessary idling

Remove cargo you do not need: extra weight can work against fuel economy. When you are safely stopped and waiting outside traffic, Kia advises switching off the engine until you are ready to move. Do not switch off the engine while the vehicle is moving. Kia warns that power steering and brakes may not work properly and the steering lock may engage.

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Seltos manual; Sonet manual.

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Use climate controls and drive modes sensibly

The Sonet manual notes that air conditioning uses engine power and advises using it sparingly. Kia also cautions that open windows at high speed can reduce fuel economy. Choose ventilation or air conditioning based on comfort, visibility and conditions rather than assuming either option is always more efficient.

If your Sonet is equipped with ECO mode, it changes engine and transmission control logic to support fuel efficiency. It is not a fixed-gain setting: actual economy still depends on driving habits and road conditions. Kia says the mode returns to NORMAL after the vehicle is restarted. Check your exact manual to confirm that your vehicle has ECO mode and how its controls work. Sonet manual; Sonet ECO mode guidance.

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Avoid lugging and over-revving

Kia’s Seltos guidance advises against lugging the engine as well as over-revving it. Drive in a way that suits the vehicle’s transmission and conditions instead of forcing the engine to work at an extreme. The appropriate operation can differ by engine and transmission, so consult the manual for your version. Seltos manual.

Why mileage varies between Seltos and Sonet owners

Fuel consumption depends not only on driving technique but also on where and when the car is driven. Petrol or diesel engine, transmission, model year, trim and available equipment can differ between vehicles, as can traffic and route conditions. Kia’s guidance does not establish a comparable mileage ranking across these versions or a model-specific improvement percentage for the habits above. Avoid treating an unqualified figure as a promise for your car.

Kia India’s owner-manual portal provides resources for both models; the manual for your vehicle controls where generations or specifications differ. Kia India owner-manual portal.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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