aside from costing you £87k to buy the car in the first place, the teslars battery will take you around 244 miles then take around 4 hours to recharge. it is estimated that the battery would last around 7 years and then cost around £8,500 to replace.
unless you have no shame and opt for a g-wiz which can go up to 50 miles, charge for an hour, and replace the battery after 5 years for £2,000.
perhaps apart from the vat on the sales aspects, road tolls would be introduced at some point in the future.