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Fuel Calculator

Petrol, diesel, electric or hybrid - which is right for you? Our petrol or diesel calculator shows which fuel will suit you best - and factors in potential savings on hybrids and electric cars to boot.

 

OTR Price £

 

OTR Price £

Annual Mileage

What is the Honest John Fuel Cost Calculator?

The HonestJohn.co.uk Fuel Calculator helps to decide which type of fuel is better for you. As well as showing which is the better option between petrol-v-diesel, it will show you if you could save with an electric or hybrid car. Our calculator sets to answer the question: should I buy a petrol or diesel. It features every make, model and trim of car on the UK market.

1How do I use the Fuel Calculator?

How do I use the Fuel Calculator?

The Fuel Calculator is simple and easy to use. Basically, it compares two cars to find the lowest fuel cost, whether it's petrol or diesel, hybrid v electric, petrol v electric or any combination of these. The tool spans all makes and models, and then displays the information in an easy to understand layout with the cheapest car appearing in a green summary box.

2Am I limited to the number of cars I can compare?

There’s no limit to the number of cars you can compare. Obviously, comparing every make and model of car is a complicated task, so we’ve limited the Fuel Calculator to compare just two cars at any one time. We think this easiest way to display the information, without bombarding users with dozens of facts and figures.

3How does this petrol or diesel calculator work?

To drill down the numbers and provide the most accurate readings, the calculator factors in some essential variables: car price, fuel type, average consumption, CO2 emissions and VED. By doing all this, the calculator can work out a car’s cost per 10,000 miles and then compare it with another to produce the lowest fuel cost.

Am I limited to just 10,000 miles for comparisons?

No, 10,000 miles is the default setting the Fuel Calculator operates by. You can change the average mileage to whatever figure you want to ensure it reflects your real world motoring.

Is this just a petrol or diesel calculator or can I compare hybrid and electric cars?

This calculator doesn't just compare petrol or diesel, it will also let you compare all powertrains - petrol v diesel v hybrid v electric. It will also factor in electric grants and battery hire, should it apply to the electric car in question.

Will the fuel calculator factor in congestion charging?

Yes, the Fuel Calculator will work out London congestion charge savings if the car in question qualifies for exemption.

Official fuel consumptions aren’t always accurate. Will the Calculator factor in real world economy?

We’ve plugged the calculator into our Real MPG database. This allows the calculator to give two fuel consumption readings – official MPG and Real MPG – which lets buyers get a better understanding when it comes to comparing how many miles a car will do the gallon.  

Fuel Prices for W/C 18 March 2019

Average petrol and diesel prices in the UK are heading in different directions this week, with diesel rising significantly (over 4%) and petrol falling by 1%. That means, for example, if you drive a diesel Ford Focus, with a fuel tank of 47 litres - you'll be paying £61.33 for a full tank compared to the £57.57 you would have paid this time last year. If you fill up a full tank once a week, thats almost £200 more you'll be paying towards fuel this year.

18-03-2019 - Email Banner

 

Renault -Zoe -(5)

Is an electric car right for me?

Best deals we've seen: cheapest new electric car £19,000* (Renault Zoe); Used from £5,000 (Nissan Leaf); Lease from £150/pm (Renault Twizy); PCP from £379/pm (Peugeot iOn)

We explain whether is an electric car right for you

 

Ask Honest John

Value my car

Amount to borrow
Sorry. The minimum loan amount is £1000
To pay back over

My credit score

Best available rate 9.20%

Total repayment £8,930.17

Total cost of credit £1,430.17

£186.05

48 monthly payments

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Representative example

Borrowing £7,500 over 4 years with a representative APR of 25.4%, an annual interest rate of 25.4% (Fixed) and a deposit of £0.00, the amount payable would be £239.77 per month, with a total cost of credit of £4,008.96 and a total amount payable of £11,508.96.

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