Unleaded: 169.9p a litre, 1.8p under the national average, filed Saturday 31 October
Unleaded within 5 miles
Ascona Stratford Service Station: 165.9p a litre, 2.2 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about 82p 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.