Traditional MPG figures don’t tell the full story of what it actually costs to run your car. Pence per mile is the real measure of efficiency — especially for a hybrid like the BYD DM‑i, where electric and petrol power blend seamlessly.
We’ve already explored why pence per mile is a far more meaningful measure than MPG in our recent article, and this calculator puts that thinking into practice – like here for Why We Should Be Thinking in Pence‑Per‑Mile, Not MPG
Hypermiling is all about squeezing the most efficiency from every journey, but the real value isn’t just in the technique — it’s in the money you keep in your pocket. This tool helps you understand the true running cost of a hybrid, showing how your driving style translates into real‑world savings by combining your electricity use, fuel use, and actual mileage into one clear efficiency figure.
