Petrol and diesel prices at Asda Strabane Superstore

Asda Strabane Superstore, BT82 8EQ.

What it is charging

• Unleaded: 163.9p a litre, 7.8p under the national average, filed Thursday 29 October
• Diesel: 189.9p a litre, 8.8p under the national average, filed Sunday 18 October

Unleaded within 5 miles

• Nicholl Auto 365 Ballymagorry: 164.9p a litre, 2.5 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.