Keep what you’ve got while you can. If you need to extend to 5 years, it’s just a button click on the Motability website. We’re in uncertain times but, hopefully, as the World starts to normalise after Covid things will start to return the normal we all remember.
I tend to agree about EV not being ready for prime time despite being very inclined to think the next car will be an EV purely because 99% of our journeys will be covered with home charging.