Can I trust the WLTP figure when buying?

Use it to compare models, but expect 10–30% lower real-world range depending on season and driving pattern.

Why is winter range lower than WLTP?

WLTP is a laboratory test. Cold weather, cabin heating, and higher consumption on winter tyres mean fewer kilometres in practice. Use the range calculator and read EVs in winter.

Why does motorway range differ so much from city driving?

At high speed, aerodynamic drag rises sharply, so consumption goes up. In the city, lower speeds and regen often deliver better efficiency.

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WLTP vs. real-world range: what's the difference?

Why an EV’s stated range rarely matches real-world driving in Norway, and how to use WLTP wisely when comparing models.

What is WLTP?

WLTP (Worldwide Harmonised Light Vehicle Test Procedure) is a standardised lab test that makes range figures comparable between models. It is useful as a common yardstick, but it does not fully account for Norwegian cold, motorway speeds, roof boxes, trailers, or aggressive driving. So WLTP is a comparison tool – not a promise of what you will get every day.

What affects real-world range the most?

Cold weather, high motorway speeds, climate control/heating, tyre type, roof loads, and heavy cargo reduce range the most. In Norwegian winters, 15–30% lower range than WLTP is normal for many cars; without a heat pump or in deep cold, the loss can be larger. See EVs in winter and the range calculator.

Driving style matters more than many people think. Steady speed, pre-conditioning while plugged in, and sensible tyre pressure add noticeable kilometres. Compare models under similar assumptions – not just by the highest WLTP number in the brochure.

How to use the numbers when buying

Use WLTP to rank cars in the same class, then adjust for your pattern: lots of motorway, lots of winter, or mostly city. Look at known fast-charging power and cold-weather behaviour as well as range. A car with slightly lower WLTP but better charging speed and winter behaviour can be quicker on road trips overall. Compare models side by side.

Related tool on EV Advisor

Compare range between models

FAQs

: Use it to compare models, but expect 10–30% lower real-world range depending on season and driving pattern.
: WLTP is a laboratory test. Cold weather, cabin heating, and higher consumption on winter tyres mean fewer kilometres in practice. Use the range calculator and read EVs in winter.
: At high speed, aerodynamic drag rises sharply, so consumption goes up. In the city, lower speeds and regen often deliver better efficiency.

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