Petrol and diesel prices at New city service Station

New city service Station, MK3 7JP.

What it is charging

Unleaded: 171.9p a litre, 0.2p over the national average, filed Friday 30 October
Super unleaded: 186.9p a litre, filed Friday 30 October

Mfg Morrisons Milton Keynes Westcroft: 167.9p a litre, 1.7 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about 64p of fuel to get there and back. Worth the trip.
Asda Milton Keynes Supercentre: 168.7p a litre, 1.1 miles away. 3.2p a litre cheaper: saves £1.76 a tank, and costs about 42p of fuel to get there and back. Worth the trip.
Milton Keynes Bletchley Extra - Petrol Filling Station: 169.9p a litre, 1.2 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 46p of fuel to get there and back. Worth the trip.
Kingston Extra - Petrol Filling Station: 169.9p a litre, 3.9 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.50 of fuel to get there and back. Not worth the trip.
Mfg Viking: 171.9p a litre, 1.6 miles away
Mfg Bleakhall: 171.9p a litre, 1.6 miles away

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.