Unleaded: 171.9p a litre, 0.2p over the national average, filed Thursday 29 October
Diesel: 199.9p a litre, 1.2p over the national average, filed Tuesday 20 October
Super unleaded: 190.9p a litre, filed Thursday 29 October
Unleaded within 5 miles
Costco Wholesale Stevenage: 166.9p a litre, 4.4 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about £1.66 of fuel to get there and back. Worth the trip.
Asda Stevenage Supercentre: 169.7p a litre, 5.0 miles away. 2.2p a litre cheaper: saves £1.21 a tank, and costs about £1.92 of fuel to get there and back. Not worth the trip.
Mfg Jackmans: 169.9p a litre, 0.5 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 19p of fuel to get there and back. Worth the trip.
Sainsburys Letchworth: 169.9p a litre, 0.9 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 34p of fuel to get there and back. Worth the trip.
Letchworth service station: 169.9p a litre, 1.1 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 42p of fuel to get there and back. Worth the trip.
Sainsburys Coreys Mill: 169.9p a litre, 3.1 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.19 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.