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Miles per Gallons vs Annual Fuel Cost comparison

So we all know MPG stands for Miles per Gallon but how much difference does it make in a real life. Well the better miles per gallon would save you some money but sometimes at a cost and usually you want to understand if the cost of better MPG is worth. Here I have put together a quick comparison for average of 10,000 Miles per Year usage and MPG from 10 to 70 miles per gallon with 5 MPG intervals. The difference column also tells you that if you were 5 miles per gallon worse the how much more you would have spent on fuel for the 10,000 miles you covered in a year. So you can see that achieving 20 MPG rather than 15 MPG would have saved you £2182 for every 10,000 miles, whereas difference between 35 MPG to 40 MPG is only £234 and 40 MPG to 45 MPG is even £182. So if you spent £5k more on a vehicle to get 50 MPG rather than 40 MPG then you may not gain much out of additional spending.

Miiles Average MPG Price per Litre Overall Cost Difference
10000 10 1.44 3273
10000 15 1.44 4364 -2182
10000 20 1.44 3273 -1091
10000 25 1.44 2618 -655
10000 30 1.44 2182 -436
10000 35 1.44 1870 -312
10000 40 1.44 1637 -234
10000 45 1.44 1455 -182
10000 50 1.44 1309 -145
10000 55 1.44 1190 -119
10000 60 1.44 1091 -99
10000 65 1.44 1007 -84
10000 70 1.44 935 -72


Note: Above information is only an approximate estimate at the time of calculation and should only be used for guidance.
At the time of publishing this article 01/10/2012 cost of fuel was around £1.44 per Litre and is used for comparison.
One Imperial Gallon is calculated at 4.546 litres per gallon.
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