Petrol and diesel prices at Mfg Chepstow

Mfg Chepstow, NP16 5YS.

What it is charging

Unleaded: 167.9p a litre, 3.8p under the national average, filed Tuesday 27 October

EG Chepstow PFS: 167.7p a litre, 1.2 miles away. 0.2p a litre cheaper: saves 11p a tank, and costs about 45p of fuel to get there and back. Not worth the trip.
Caldecot Fuel Express Automat: 167.7p a litre, 4.3 miles away. 0.2p a litre cheaper: saves 11p a tank, and costs about £1.63 of fuel to get there and back. Not worth the trip.
Chepstow Superstore - Petrol Filling Station: 167.9p a litre, 0.6 miles away
Tgc - Pwllmeyric: 167.9p a litre, 1.2 miles away
Severn View Service Area: 194.9p a litre, 3.5 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.