40-50mpg at £7 per UK gallon is approx 14-17p per mile. Assuming that you can't charge at home (true for a rental!), the UK rate for charging is between 55p an

40-50mpg at £7 per UK gallon is approx 14-17p per mile. Assuming that you can't charge at home (true for a rental!), the UK rate for charging is between 55p and 80p or so. Real world my EV got around 3-4 miles per kWh which works out between 14p and 26p per mile. Source: https://www.rac.co.uk/drive/electric-cars/charging/electric-car-public-charging-costs-rac-charge-watch/ https://www.rac.co.uk/drive/electric-cars/charging/electric-... We can fiddle the numbers a bit back and forth but my real world experience was that it was more expensive in every way.