Fuel Cost Calculator UK

Diesel Cost Per Mile Calculator

Find out what each mile costs in diesel — useful for business mileage, towing and long-distance driving.

Diesel cost per mile

Cost per mile

12.6p

Per 10 miles

£1.26

Per 50 miles

£6.28

Per 100 miles

£12.56

At 55 MPG your car uses 0.083 litres per mile (4.546 litres in a UK gallon ÷ 55). Multiply by £1.52 a litre and each mile costs 12.6p.

Typical diesel costs per mile

With diesel at £1.52 a litre:

  • Economical hatchback, 60 MPG: about 11.5p per mile
  • Estate car, 55 MPG: about 12.6p per mile
  • Diesel SUV, 42 MPG: about 16.5p per mile
  • Large SUV or van, 33 MPG: about 20.9p per mile
Estate car on a long open Highland road

Business mileage

If you claim mileage for work, knowing your diesel cost per mile helps you see how much of an allowance actually goes on fuel. Remember the full cost of driving also includes wear and tear, servicing and insurance.

To price a full journey, use the diesel cost calculator, or compare against petrol cost per mile.

Ways to reduce your motoring costs

Fuel is only part of the cost of running a car. Shopping around each year for car insurance and breakdown cover, keeping on top of servicing and checking tyres regularly can all make a difference. We plan to add independent pointers here over time.

Frequently asked questions

How much does diesel cost per mile in the UK?+

At £1.52 a litre, a 55 MPG diesel costs about 12.6p per mile and a 45 MPG diesel about 15.4p.

Is diesel cheaper per mile than petrol?+

Sometimes. A diesel often has better MPG, which can offset its higher price per litre, but it depends on the cars compared and how they're driven.

Does motorway driving lower diesel cost per mile?+

Usually. Diesels tend to be most efficient at steady speeds, so long motorway runs often give the best MPG.

Related calculators

Diesel Cost Calculator→Petrol Cost Per Mile→Fuel Cost Per Mile→MPG Calculator→Trip Fuel Cost Calculator→Fuel Cost Calculator→