Choosing an electric car · UK guidance
How much range do I really need, including in winter?
Choose enough real-world range for your usual journeys, with a comfortable reserve and a workable charging plan for longer trips. The advertised test figure is a comparison point, not a promise for every drive. Cold weather, motorway speeds and carrying extra weight can reduce the distance between charges.
Plan around your week, then your longest trip
Write down your normal return journey, where you can charge and how often you make a longer trip. A car does not have to cover an occasional holiday drive without stopping, but its stops need to work for you. Ask to test the exact version on roads like yours, and look for winter and motorway evidence for that version.
Allow for the charge you actually use
You may not leave with a full battery or want to arrive nearly empty. As an illustration, a car that could cover 240 miles in the conditions you expect would have about 168 miles between 80% and 10% charge. That is 70% of 240, not a test result or a guarantee. Your car’s recommended charging limits and conditions still matter.
How much range will winter take away?
There is no reliable single percentage for every car and journey. Heating, a cold battery, wind and wet roads can all change energy use. Short trips with repeated warm-ups can look very different from one longer drive. Compare similar conditions before deciding a drop in the dashboard estimate means battery wear.
Can I warm the car before leaving?
If your car supports it, use its scheduled departure or preconditioning feature while plugged in. This can warm the cabin and, on some models, the battery using external power. Follow your handbook. Keep windows clear and the cabin comfortable; do not sacrifice visibility or safety to save a few miles.
Does a longer range mean faster charging?
No. Driving range and charging speed are different. Check the manufacturer’s charging time for a stated start and finish percentage, along with the conditions it assumes. On a long journey, the time spent charging and the availability of suitable stops may matter as much as the battery size.
What if I tow or carry a roof box?
Check the exact car’s approved towing limit and how your load affects range. Do not assume every version can tow. Think about whether a charging bay can accommodate your setup and whether you would need to unhitch. Plan stops and access before travelling.
Your next step
See whether an EV fits my routineSources and checks
Information checked on 28 September 2026. Rules and services can change. Our checklists help you ask useful questions; they are not inspections or official eligibility decisions.
For current grant amounts and eligibility, use GOV.UK’s chargepoint grant guidance. Energy Saving Trust is linked for practical charging advice.