Book an MOT
Book a Service
View All On Map
Thank you. We will get in touch shortly to arrange your appointment
Got a question for us?
Leave us your question or questions below, and we will get back to you with an answer within 4 working hours.
Please enter your questions below
Please select an option
Choose your location
Enter your name in the box
A telephone number is required
Enter your email address in the box
We would like to keep you up to date with information
relevant to your vehicle including important safety information and
new products. You can unsubscribe from this at any time and we never sell
your data to anyone else. Please select the ways in which you'd like us to
MOT and Service Booking
Thank you for choosing to book your appointment.
Enter the make of your vehicle
Enter the make of your vehicle
Please specify your vehicles make
Enter Your Registration Number
Enter your vehicles mileage
Select Service or MOT
Would you like a Service or MOT?
Does your vehicle require any other work?
Does your vehicle require any other work?
Please enter your notes below
Select a Date to have your service or MOT
What is your preferred booking date?
Please select a location
Location of Booking
Select a Preferred Appointment Type
Vehicle Drop Off Time
When would you like to drop your vehicle off at?
Enter the time you wish to drop your vehicle off at
Vehicle Drop Off Time
Enter the time you wish to pick your vehicle up at
Vehicle Collection Time
Enter your Post Code
Enter your details and we'll get in touch shortly to book your appointment or discuss your enquiry.
Please enter your name
Please enter your email
Please enter your phone number
Please enter your postcode
MPG is the Means Of Working Out Just Exactly How Fuel Efficient Your Car Is, But What Does This Really Mean and Can We Apply This Practically?
Nov 03, 2014
If you have bought a new or used car in recent years there’s a strong chance that you will have seen a reference to the car’s MPG figure. For many people, a car’s MPG (‘miles per gallon’) is now one of the most important factors they consider when choosing a new vehicle.
But what is MPG? How is it calculated? Are diesel cars more economical than petrol cars? And how do you get more miles per gallon from your car? Keep reading and we’ll answer these questions and more.
MPG is an abbreviation for ‘miles-per-gallon’ and it is used to give you an indication of the fuel economy of a car or commercial vehicle. It helps you to work out how cheap or expensive a car will be to run.
In simple terms, if your car performs at 40mpg it means that, on average, you will be able to drive 40 miles on every gallon of petrol that you put in the tank.
MPG figures help you to compare different cars to work out which are more fuel efficient. If one model has fuel economy of 50 MPG while a rival has fuel economy of 60 MPG it means that the second model will drive an extra ten miles on the same amount of fuel. Assuming they both use the same fuel then the second car is more fuel efficient – and likely to be cheaper to run – than the first.
Next, we’ll look at how the MPG figures are calculated.
When a manufacturer is testing how many miles per gallon a car will do they perform this test not on a road, but in a laboratory under strict supervision.
The car is put on rollers, in an ambient 20 to 30 degrees setting, and then set two different tests. These are:
These two figures are then averaged to find the ‘combined’ miles per gallon.
The tests are carried out under strict conditions which mean that every car undergoes the same tests. While this allows direct comparison between models it doesn’t necessarily give you a true picture of the MPG you will actually get from your car when you drive it.
As the test is performed in a lab doesn’t take into account a range of variables that can drastically change a cars MPG such as extra passengers, operating temperatures and, the most important variable, driving style.
In real world terms, a cars official mpg may be difficult or near impossible to reach. Research has found that, on average, cars achieve 86 per cent of their official MPG.
One of the problems that consumers have when looking at MPG figures is that we no longer buy petrol and diesel by the gallon in the UK. All fuel is sold by the litre and so this can be confusing when buying fuel in litres and trying to work out your MPG.
Luckily for the UK, We've developed a formula to help you calculate what your cars MPL (Miles Per Litre) is, therefore making it much easier to see how much you're spending on fuel. Below is our formula;
To put this formula into perspective, if you know the kind of MPG that you're averaging, simly divide that figure by 4.54 (because there are 4.54 litres in a gallon) and then you will have your 'miles per litre figure'. Then, if you compare your miles per litre figure (eg. 1 litre of fuel will get you 10 miles) to the current cost of a litre of fuel (eg. £1.30 for a litre of diesel), then you would be able to workout that for every 10 miles you travel, it is costing you £1.30 in fuel.
One of the main reasons why diesel cars remain popular is that they are generally more fuel efficient than petrol models. According to What Car? a diesel car will almost always use less fuel than an equivalent petrol model.
If you are only considering fuel economy then it is generally the case that a diesel model will be better as they typically boast a higher MPG.
However, when choosing a car it is not just about fuel economy. You will also have to take the following into consideration:
Find out more about the difference between petrol and diesel cars in our 'How To Save Money On Fuel Guide'.
If you want to maximise your fuel economy and reduce your fuel bill there are lots of ways that you can improve your car’s MPG. Our top seven ways are:
1. Keep your car in good condition – Have your car regularly serviced so your engine is working to its optimum capacity. And, check your tyres because your tyres are under-inflated it can increase fuel consumption by up to 3 per cent.
2. Plan your journey – Make sure you know where you are going. Every mile that you are lost is another mile of wasted fuel.
3. Remove excess weight – Leave heavy items at home when driving. The Guardian reports that every 45kg removed from your car can save 1 per cent on fuel.
4. Turn off your electrics – Unless it is really hot in your car, turn off the air-conditioning. This, and other electrical items – the heated rear window etc – can put a strain on the engine and increase fuel consumption particularly at low speeds.
5. Keep your car aerodynamic – Always remove roofracks, bike racks and roof boxes when you are not using them. If you don’t, they make your car less aerodynamic and mean that you use up more fuel when driving.
6. Change gear earlier - The Energy Saving Trust recommends changing up a gear before you reach 2,000 revs in a diesel car, and 2,500 in a petrol car. UK Road Safety says that changing gears like this can help you achieve a 15 per cent fuel saving.
7. Slow down – According to What Car? driving at 70mph uses 15 per cent more fuel than driving at 50mph. Driving at 80mph uses 25 per cent more fuel than driving at 70mph.
For more information on improving your MPG, please read our guide!
Sandicliffe Renews Sponsorship With Leicester City Football Club
New 2022 Ford E-Transit Revealed: Details, Specs, Features & Prices
2022 New Ford e-Transit: Watch The World Debut Here
The Easy Way To Buy Your Car
New Exclusive Carlex Design Rangers In Stock Now
Ford Named Best-Selling Brand For LCV Ahead of Mercedes & Volkswagen
Nissan Cars Contract Hire
Navara Special Edition Double Cab Pick Up N-Guard 2.3dCi 190 4WD
0% Finance Available
2.0 Skyactiv-X MHEV Sport Lux 5dr Auto AWD
Sandicliffe Ltd. trading as Sandicliffe are a credit broker (not a lender), we can introduce you to a limited number of carefully selected finance providers. We may receive a commission from them for the introduction.
Mazda Compound Clearance
New & In Stock
2.0 Sport Nav+ 4dr
NEW 70 REG
2.0 EcoBlue 190 ST 5dr
Black Friday Offer
1.7 CRDi ISG 3 5 door [Panoramic Roof]
Purchase Plan from
5.0 V8 GT [Custom Pack 4] 2dr Auto
Consumer Experience 2020
Receive the latest news and offers
At Sandicliffe, we believe in Treating Customers Fairly. Sandicliffe is a trading
Sandicliffe Ltd. Registered in England and Wales No with company registration number
Registered office: 155-185 Derby Road, Loughborough, England, LE11 5HN. To improve
calls may be
recorded for training and monitoring purposes.
Sandicliffe Limited is an Appointed Representative of Automotive Compliance Ltd,
and regulated by the Financial Conduct Authority (FCA No 497010). Automotive
permissions as a Principal Firm allows Sandicliffe Limited to act as a credit
broker, not as a
lender, for the introduction to a limited number of finance providers and to act as
an agent on
behalf of the insurer for insurance distribution activities only.
‘Used Car Disclaimer’
Some of our vehicles have been sourced from Manufacturer buy back schemes or selected
Fleets. As a
result whilst we can confirm the number of registered keepers we cannot confirm how many
vehicle has had. We can confirm that the vehicle has passed a comprehensive AA Approved
out by a manufacturer approved technician and has a full HPI Provenance check meaning we
guarantee its lifetime history.
Sandicliffe subscribes to the Motor Industry Code of Practise for Service and Repair (and
Sales where applicable) for motor vehicles.
© Copyright 2020 Sandicliffe Ltd.
We would like to keep you up to date with information relevant to
including new products and important safety information. You can unsubscribe from this at
any time and
we never sell your data to anyone else. By clicking 'Confirm', you consent to us sending you
You are now signed up to receive the latest news and offers from Sandicliffe.