Unleaded: 172.9p a litre, 1.2p over the national average, filed Friday 30 October
Diesel: 199.9p a litre, 1.2p over the national average, filed Friday 23 October
Unleaded within 5 miles
Mfg Morrisons Milton Keynes Westcroft: 167.9p a litre, 4.8 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about £1.83 of fuel to get there and back. Worth the trip.
Mfg Millfield: 171.9p a litre, 1.8 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 70p of fuel to get there and back. Not worth the trip.
On a 55-litre tank at 40mpg. The distance is straight-line rather than by road, so a real trip is longer than the one costed here.