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cold weather driving

How to Maximise Electric SUV Range in Cold Weather and on the Motorway

Precondition while plugged in, check the SUV’s specified tyre pressure, manage cabin heat and plan charging stops to make cold-weather motorway trips more predictable.

By CarCody Team 5 min read
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To maximise an electric SUV’s range on a cold motorway trip, precondition the cabin and battery while plugged in if your vehicle supports it, check tyre pressures against the vehicle’s specification, drive smoothly at a safe and legal speed, limit cabin heat sensibly, and plan charging stops using the vehicle’s route planner. The range effect varies with the SUV, temperature, speed, terrain and heating demand, so use your vehicle’s own trip estimate rather than relying on a universal winter-range figure.

Why cold weather and motorway speed reduce range

Cold weather can reduce electric-vehicle efficiency and usable driving range. The effect is not the same for every SUV or journey: temperature, route, driving speed and cabin-heating demand all matter. The U.S. Department of Energy reported that all-electric vehicles can have nearly 40% lower fuel economy in cold temperatures, but that broad 2020 estimate is context—not a prediction for a particular SUV or motorway trip. DOE’s cold-temperature fuel-economy summary does not establish one winter penalty for every vehicle.

Motorway driving adds another variable: energy use rises with speed, and aerodynamic drag becomes increasingly important. In its 2024 analysis, the DOE found that the effect of ambient temperature on the studied BEVs began to converge as speeds increased above 40 mph. That study-specific finding does not mean cold weather stops affecting range at motorway speeds; it is not a personal range calculator. The DOE report describes results for its analyzed vehicles and conditions.

Prepare the SUV before departure

Precondition while connected to a charger

If your vehicle supports scheduled cabin preconditioning, set it to warm the cabin before departure while the SUV is still plugged in. This lets some of the energy for initial warming come from the grid rather than the traction battery. Chevrolet advises that heating while plugged in draws energy from the grid, and the DOE recommends preconditioning while charging. Follow your vehicle’s manual for scheduling and battery-warming features; not every model offers the same functions. DOE winterizing guidance and Chevrolet’s cold-weather guidance explain the approach.

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Check tyre pressure against the vehicle’s specification

Use the pressure shown on the driver-door placard or in the owner’s manual—not a generic PSI target—and check it when tyres are cold, following the vehicle maker’s instructions. Temperature changes affect pressure, and correct inflation supports tyre performance and range. Chevrolet’s cold-weather advice recommends checking pressure; a digital tyre-pressure gauge is an optional way to take the measurement, not a range-enhancing device in itself.

Plan the route and starting charge

Enter the journey into the vehicle’s route planner when available. Some systems account for route conditions and can prepare the battery for a charging stop. Renault, for example, says supported vehicles can begin battery preheating about 30 minutes before arrival at a charger; feature availability and timing depend on the model. Start with enough charge for the route, expected weather and a sensible arrival reserve. The DOE notes that fast charging commonly slows between 80% and 100%, so charging that final portion may take disproportionately longer. A higher starting charge can still make sense when the next leg, charger access or extreme cold warrants it. Renault’s range and trip-planning guidance and DOE winterizing guidance describe these considerations.

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Drive efficiently without compromising safety

Choose a sensible motorway speed

Where conditions, traffic and speed limits allow, travelling more slowly can improve range. Renault UK gives 68 mph as an example of a speed that can help; it is not a universal optimum for every electric SUV, nor a recommendation to drive below the legal limit when that would be unsafe or inappropriate. Keep to the applicable speed limit and adjust to traffic, weather and visibility. Renault’s advice is manufacturer-specific.

Reduce drag and drive smoothly

  • Keep the windows closed at motorway speeds.
  • If your SUV has adjustable air suspension, use a lower setting only when appropriate for the road and vehicle.
  • Accelerate and decelerate smoothly, and allow the vehicle to coast where practical.

Tesla lists closed windows and lower air-suspension settings, where fitted, among measures to reduce drag. Smooth driving also helps avoid unnecessary energy use, though actual consumption remains dependent on speed, weather, terrain and driving style. Tesla’s range tips cover these vehicle-specific measures. Do not trade safe following distance, visibility or legal compliance for extra range.

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Use cabin heat deliberately

Cabin heating draws energy from the battery. Choose a comfortable, moderate cabin setting; if your SUV has heated seats or a heated steering wheel, using those instead of warming the whole cabin as much may reduce heating demand. Renault and Chevrolet offer this as cold-weather guidance, but comfort and equipment vary by vehicle. Renault’s range guidance and Chevrolet’s cold-weather guidance explain the options.

A heat pump can reduce HVAC power use in some conditions, but its benefit depends on temperature and vehicle design. In its 2024 report, the DOE states that a heat pump reduced total HVAC system power draw by 38% at 20°F in the report’s analyzed vehicle context. That is a result about HVAC power in that context—not a 38% increase in driving range for every EV. Heat pumps also become less effective in extreme cold, and some vehicles with both heat-pump and resistance heating may use resistance heat when demand is high. The DOE technical report details its findings.

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Manage charging and winter road conditions

A cold battery may charge more slowly. If your vehicle supports battery preconditioning for charging, use its navigation system to route to the charger so the vehicle can prepare the battery as instructed. Follow the vehicle and charger manufacturers’ winter care guidance, and store the charging connector properly after use. Renault’s guidance describes its supported route-planner feature, while the DOE covers winter charging practices.

Choose winter tyres based on snow, ice and other road conditions, not as a guaranteed range upgrade. They can improve traction and braking on slippery roads; confirm fitment and recommendations in the vehicle documentation. Edmunds’ winter-EV guidance, published by the Associated Press, discusses their safety role.

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A practical pre-trip checklist

  • Schedule cabin preconditioning while plugged in, if supported.
  • Check tyre pressures against the placard or manual.
  • Use the vehicle’s route planner and plan charging around conditions and arrival reserve.
  • On the motorway, travel at a safe, legal speed; keep windows closed and drive smoothly.
  • Set cabin heat for comfort and use heated seats or steering wheel if fitted and helpful.
  • Allow extra time for cold-weather charging and follow connector-care instructions.

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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