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UK Petrol and Diesel Journey Cost Calculator. Convert miles and MPG into exact trip costs in Pounds (£) per UK DESNZ standards. Use our interactive tool below to calculate your exact petrol or diesel costs, fuel volume required, passenger carpool shares, and monthly commute projections in GBP.
Calculate petrol & diesel trip cost in GBP (£)
Quick Autofill by Vehicle Type (United Kingdom):
For 60 mi journey
5.46 litres
£ 0.12
£ 147.29 / month
Typical fuel consumption averages for popular vehicles registered in United Kingdom.
| Vehicle Category / Model | Fuel Type | Average Fuel Economy | Cost per 100 mi |
|---|---|---|---|
| Small Hatchback (Ford Fiesta / VW Polo) | Petrol | 45–55 MPG | £ 7.63 |
| Family Hatchback (VW Golf / Focus) | Petrol | 40–48 MPG | £ 8.67 |
| Diesel Estate / Saloon (BMW 3 Series) | Diesel | 50–62 MPG | £ 7.24 |
| Crossover (Nissan Qashqai) | Petrol | 38–45 MPG | £ 9.53 |
| Transit Van (Ford Transit 2.0) | Diesel | 30–38 MPG | £ 11.71 |
In the UK, distance is measured in miles and fuel efficiency in Imperial MPG (1 Imperial Gallon = 4.546 litres). Fuel duty and VAT make UK fuel pricing among Europe's most monitored.
Standard Distance Unit
Miles (mi)
Retail Volume Unit
Per litre
Primary Currency
GBP (£)
Litres Needed = (Miles ÷ MPG) × 4.546. Cost (£) = Litres × Price per Litre. Our calculator performs this automatically.
Modern petrol cars achieve 48–55 MPG at steady 70 mph motorway speeds, while modern diesel cars frequently exceed 55–65 MPG.
Switch to any of our dedicated country fuel calculators with local currencies and vehicle benchmarks.