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The Tunit Original and Advantage 2B Solution for Diesel vehicles has
been independently proven to reduce harmful emissions by up to 27%
and improve fuel economy on average by 12% in comparison to other
Performance Tuning, Chip Tuning and Remapping options that doubled
dangerous exhaust emissions. Use the calculator below to work out
how much money you can save by fitting a Tunit.
(Petrol Optimum* The calculator can be used as an indication only
for your Petrol vehicle as no independent verification has been carried out)
To calculate how much a journey will actually cost in fuel, please provide the miles covered, the estimated MPG for your vehicle, and the price of your diesel in pence.
Many factors can have an effect on your car's fuel consumption including your driving style, traffic conditions, excess weight, roof racks, and the general condition of the car.
At motorway speeds the amount of aerodynamic drag caused by an open window is considerable. When you're going fast and need to cool down, use the air conditioning, otherwise at slower speeds (especially in town) you can use the windows.
Try to be smooth and avoid accelerating harshly, and try to predict the traffic flow to avoid having to stop - it takes a lot more energy to get a car moving than it does to keep it moving. Even with modern stop-start systems you're still consuming energy when you start moving, and that energy ultimately has to come from the fuel.
Some of the simplest measures can make a big difference. Make sure that your tyres are at the correct pressure and are in good condition, and get your car serviced according to the manufacturer's recommendations.
