By Paul Homewood

I looked at the range of the Audi e-Tron the other day. Audi’s figures suggested 162 miles for motorway driving – unlike normal cars, EVs have lower efficiency on motorways than urban driving.

However the Audi’s battery has capacity of 95 KWh, much bigger than typical mid-range cars.

The Vauxhall Mokka, for instance, has capacity of just 50 KWh. According to Vauxhall, you might get 124 miles at motorway speeds:

https://www.vauxhall.co.uk/cars/new-mokka/Electric/range-calculator.html 

In the real world, of course, you would be likely to get much less. For instance, they assume a fully charged battery; manufacturers usually quote recharging times for upto 80% full, for the very good reason that charging after that is painfully slow. This is because the chargers are designed to prevent battery damage.

If we assume an 80% full battery, that 124 miles dips to 99 miles.

And, of course, a family of four with a boot full of luggage, window wipers going etc will knock down this range even further.

As I keep pointing out, nobody waits till there is a teaspoon of petrol left before they stop at the service station. Equally, EV drivers are going to err on the safe side.

What all this means is that, if you have a Mokka, you can forget about a trip of more than 50 or 60 miles, unless you are prepared to queue up for hours to recharge.

The Mokka, by the way retails at £33685, £12000 more than a petrol version.

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December 11, 2021 at 07:48AM