Petrol and diesel prices at Mfg Grand National

Mfg Grand National, L4 3QP.

What it is charging

Unleaded: 166.9p a litre, 4.8p under the national average, filed Tuesday 27 October

Essar Brewster Street Service Statrion: 164.9p a litre, 0.4 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 14p of fuel to get there and back. Worth the trip.
Liverpool Allerton RD Superstore - Petrol Filling Station: 165.9p a litre, 4.7 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about £1.77 of fuel to get there and back. Not worth the trip.
Asda Aintree Superstore: 166.7p a litre, 3.8 miles away. 0.2p a litre cheaper: saves 11p a tank, and costs about £1.43 of fuel to get there and back. Not worth the trip.
Sainsburys Liverpool Great Homer Street: 166.9p a litre, 0.9 miles away
Sainsburys Rice Lane: 166.9p a litre, 1.1 miles away
Asda Bootle Superstore: 166.9p a litre, 1.3 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.