Petrol and diesel prices at Spar Larkhill Service Station

Spar Larkhill Service Station, BT55 7HU.

What it is charging

• Unleaded: 164.9p a litre, 6.8p under the national average, filed Monday 26 October
• Diesel: 190.9p a litre, 7.8p under the national average, filed Tuesday 27 October
• Super unleaded: 173.9p a litre, filed Monday 26 October

Unleaded within 5 miles

• Supervalu Portstewart: 159.9p a litre, 0.9 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about 32p of fuel to get there and back. Worth the trip.
• Morans Centra - GO Service Station: 159.9p a litre, 3.7 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about £1.34 of fuel to get there and back. Worth the trip.
• Ivan Wilson Service Station: 159.9p a litre, 4.3 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about £1.56 of fuel to get there and back. Worth the trip.
• Asda Coleraine Superstore: 160.7p a litre, 3.9 miles away. 4.2p a litre cheaper: saves £2.31 a tank, and costs about £1.42 of fuel to get there and back. Worth the trip.
• Nicholl Auto 365 Coleraine: 160.9p a litre, 3.4 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about £1.24 of fuel to get there and back. Worth the trip.
• Sainsburys Coleraine: 160.9p a litre, 3.9 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about £1.42 of fuel to get there and back. 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.