Step 1 Enter your MPG
Vehicle 1 mpg , Vehicle 2 (Optional) mpg

Step2 Enter your annual mileage (or as many years mileage as you want)

Step 3 Fuel cost per litre
Vehicle 1 (in pence) & Vehicle 2 (Optional) (in pence)
 
Step 4 click

So the fuel cost per year
for Vehicle 1 is £ and on Vehicle 2 is £