Lower range than expected in EVs, the causes and solutions

Stuart Wright

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From our podcast 8th July 2024 where we discuss lower range than expected in EVs, the causes and solutions.



5. RANGE IS LOWER THAN EXPECTED

350 miles a week mainly motorway. Is EV a good idea?
Tips before setting off on first long journey
Poor range on used Trophys - Problem?
Disappointing range indication

PROBLEM: The range shown by the car is a lot less than I expected it to be.

CAUSES: There are a lot of possible causes:
a) First of all, the range shown is ONLY A PREDICTION based on your recent driving style and routes and currently selected modes. If you have been driving the car hard or in hilly terrain or windy conditions, this will reduce the range and the predicted range.

b) The mode you use will impact the predicted range: for maximum range select ECO mode and turn on any energy-saving features.

c) Range is most heavily affected by top speed - so keep your maximum speed to 65mph or less for maximum range, generally the best range will be between 40-50mph (as with ICE cars).

d) Weather makes a big impact - it is normal for winter temperatures to reduce the available range by 20-30%.

e) Manufacturer's quoted range is not typically what you will get in the real world, expect to get around 85% of what is quoted in summer driving and 70% in winter when considering your purchase.

FIXES:
a) Reset your trip meter and it will reset your GOM: this will happen automatically every 100 hours or so, depending on your MG. You should then get back the factory prediction - but it may not be the range you'll actually get.

b) Change your driving style.

c) Change your driving mode and minimise use of AC.

d) Pre-heat your battery if this feature is available, if driving in very cold conditions and you can charge at home, this will help extend your range and speed up charging en-route.

DISCUSSION POINTS:
  • How much range do you really need if you can home charge? Many people only do short journeys of a few miles.
 
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