This poll is to collate the information for all Diesel owners to actually want compare fuel efficiency figures from other Honda Accord Owners. Some of you may know in winters full tank of diesel do not necessary give higher fuel efficiency as compared to a lower or half tank. Fuel companies also change the composition of diesel fuel with additive to ensure the diesel has better anti-wax properties. Please indicate how you are achieving this mileage in this format How are are you calculating the MPG ? Are you calculating MPG from full tank? Tyre of Journeys i.e Motorway , Urban, a Mixture.