Unleaded: 176.9p a litre, 5.2p over the national average, filed Friday 23 October
Diesel: 203.9p a litre, 5.2p over the national average, filed Friday 23 October
Unleaded within 5 miles
Mfg Porthmadog: 168.9p a litre, 4.2 miles away. 8.0p a litre cheaper: saves £4.40 a tank, and costs about £1.61 of fuel to get there and back. Worth the trip.
Porthmadog Superstore - Petrol Filling Station: 168.9p a litre, 4.6 miles away. 8.0p a litre cheaper: saves £4.40 a tank, and costs about £1.76 of fuel to get there and back. Worth the trip.
Madog Garage / Hamdden Caravans Ltd: 169.9p a litre, 4.6 miles away. 7.0p a litre cheaper: saves £3.85 a tank, and costs about £1.77 of fuel to get there and back. Worth the trip.
Glanaber Garage: 172.9p a litre, 3.8 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about £1.49 of fuel to get there and back. Worth the trip.
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.