Petrol and diesel prices at Asda Trafford Park

Asda Trafford Park, M41 7ZA.

What it is charging

Unleaded: 164.7p a litre, 7.0p under the national average, filed Friday 30 October
Diesel: 188.7p a litre, 10.0p under the national average, filed Friday 30 October

Costco Wholesale Manchester: 158.9p a litre, next door away. 5.8p a litre cheaper: saves £3.19 a tank, and costs about 3p of fuel to get there and back. Worth the trip.
Limes Service Station: 161.9p a litre, 4.4 miles away. 2.8p a litre cheaper: saves £1.54 a tank, and costs about £1.61 of fuel to get there and back. Not worth the trip.
Mfg Morrisons Eccles: 165.9p a litre, 1.1 miles away
Stretford Extra - Petrol Filling Station: 166.9p a litre, 2.3 miles away
Irlam Extra - Petrol Filling Station: 166.9p a litre, 3.8 miles away
Cheetham Service Station: 166.9p a litre, 4.4 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.