Petrol and diesel prices at Asda Aintree Superstore

Asda Aintree Superstore, L10 3LN.

What it is charging

Unleaded: 166.7p a litre, 5.0p under the national average, filed Thursday 29 October
Diesel: 190.7p a litre, 8.0p under the national average, filed Friday 30 October

Essar Brewster Street Service Statrion: 164.9p a litre, 3.5 miles away. 1.8p a litre cheaper: saves 99p a tank, and costs about £1.31 of fuel to get there and back. Not worth the trip.
Asda Bootle Orrell Lane Supermarket: 166.9p a litre, 1.8 miles away
Sainsburys Rice Lane: 166.9p a litre, 2.7 miles away
Asda Bootle Superstore: 166.9p a litre, 3.3 miles away
Mfg Grand National: 166.9p a litre, 3.8 miles away
Sainsburys Liverpool Great Homer Street: 166.9p a litre, 4.7 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.