Petrol and diesel prices at Shell Co-op Romney Marsh

Shell Co-op Romney Marsh, TN29 9TZ.

What it is charging

• Unleaded: 178.9p a litre, 7.2p over the national average, filed Sunday 25 October
• Super unleaded: 204.9p a litre, filed Sunday 25 October

Unleaded within 5 miles

• Mfg New Romney: 176.9p a litre, 3.9 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.56 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.