Petrol and diesel prices at Asda Bicester Express Petrol

Asda Bicester Express Petrol, OX26 1BT.

What it is charging

Unleaded: 168.9p a litre, 2.8p under the national average, filed Monday 19 October
Super unleaded: 187.9p a litre, filed Monday 19 October

Bicester Superstore - Petrol Filling Station: 167.9p a litre, 0.2 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 7p of fuel to get there and back. Worth the trip.
Launton Road Service Station: 167.9p a litre, 0.9 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 34p of fuel to get there and back. Worth the trip.
Gulf Petrol Station: 167.9p a litre, 1.0 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 38p of fuel to get there and back. Worth the trip.
Shell Layby: 171.9p a litre, 3.9 miles away
Family Farm SF Connect: 171.9p a litre, 4.1 miles away
Shell Chase: 172.9p a litre, 0.6 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.