Petrol and diesel prices at Vst Pontamman Service Station

Vst Pontamman Service Station, SA18 2HX.

What it is charging

Unleaded: 167.9p a litre, 3.8p under the national average, filed Sunday 25 October

Ascona Gorslas Service Station: 166.7p a litre, 4.3 miles away. 1.2p a litre cheaper: saves 66p a tank, and costs about £1.62 of fuel to get there and back. Not worth the trip.
Mfg Cross Hands: 166.9p a litre, 4.5 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about £1.70 of fuel to get there and back. Not worth the trip.
Rontec Cross Hands: 166.9p a litre, 4.9 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about £1.85 of fuel to get there and back. Not worth the trip.
Vst Parkstreet Filling Station: 167.9p a litre, 0.7 miles away
Ammanford Superstore - Petrol Filling Station: 167.9p a litre, 1.0 miles away
Essar Penybanc Service Statioin: 167.9p a litre, 1.7 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.