Petrol and diesel prices at Asda The Oval Express Petrol

Asda The Oval Express Petrol, NN7 3NF.

What it is charging

Unleaded: 175.9p a litre, 4.2p over the national average, filed Monday 26 October
Super unleaded: 194.9p a litre, filed Monday 26 October

SJS Garages Ltd t/a Freeway Service Station: 173.9p a litre, 2.6 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.02 of fuel to get there and back. Worth the trip.
M.N.Abdullah Trading As Grafton Street Service Station: 173.9p a litre, 4.8 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.89 of fuel to get there and back. Not worth the trip.
Mfg Farcotton: 174.9p a litre, 5.0 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about £1.98 of fuel to get there and back. Not worth the trip.
Upton Way SF Connect: 178.9p a litre, 3.2 miles away
Shell Co-op Far Cotton: 178.9p a litre, 4.7 miles away
Rothersthorpe Northconnectmwsa: 198.9p a litre, 3.4 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.