All tools / Fuel & travel
Enter your assumptions above and calculate locally in this browser. No data is uploaded.
How this calculator works
Annual fuel difference = petrol fuel spend − diesel fuel spend; simple break-even = upfront premium / positive annual fuel savings.
Important: Ignores maintenance, fuel availability, registration, emissions restrictions, taxes and resale differences.
Illustrative inputs only. This is not official vehicle safety, valuation or legal advice.