Petrol and diesel prices at Asda Old Colwyn Express Petrol

Asda Old Colwyn Express Petrol, LL29 9YG.

What it is charging

Unleaded: 173.9p a litre, 2.2p over the national average, filed Friday 30 October
Super unleaded: 189.9p a litre, filed Friday 30 October

Penrhyn Bay Fuel Express Automat: 169.7p a litre, 3.5 miles away. 4.2p a litre cheaper: saves £2.31 a tank, and costs about £1.35 of fuel to get there and back. Worth the trip.
Mfg Dingle Hill: 172.9p a litre, 0.7 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 27p of fuel to get there and back. Worth the trip.
Mfg Princes Drive: 172.9p a litre, 1.2 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 47p of fuel to get there and back. Worth the trip.
Llandudno Junction Superstore - Petrol Filling Station: 176.9p a litre, 4.6 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.