Petrol and diesel prices at Rockbay service station

Rockbay service station, SK17 6UF.

What it is charging

• Diesel: 198.9p a litre, 0.2p over the national average, filed Monday 26 October

Unleaded within 5 miles

• Mfg Morrisons Buxton: 173.9p 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.

Every forecourt in Buxton