Use this Petrol vs EV cost per mile calculator to compare the real‑world price per mile for petrol and electric vehicles. Enter the petrol vehicle’s price per litre and its MPG, plus the EV’s miles per kWh and your electricity rate, to see a side‑by‑side cost‑per‑mile comparison and find which option saves you money.
The average electric‑vehicle efficiency in the UK is roughly 4 miles per kWh, based on typical national data. For the most accurate and up‑to‑date figures, check the latest official statistics on UK EV efficiency from the gov.uk website.
