Petrol and diesel prices at Sainsburys Barnstaple

Sainsburys Barnstaple, EX31 3NH.

What it is charging

Unleaded: 167.9p a litre, 3.8p under the national average, filed Saturday 31 October
Diesel: 191.9p a litre, 6.8p under the national average, filed Thursday 22 October
Super unleaded: 179.9p a litre, filed Saturday 31 October

Asda Barnstaple Superstore: 167.7p a litre, 1.0 miles away. 0.2p a litre cheaper: saves 11p a tank, and costs about 38p of fuel to get there and back. Not worth the trip.
Mfg Pilton Bridge: 167.9p a litre, 1.6 miles away
Mfg Roundswell: 168.9p a litre, 0.2 miles away
Stickle Path Service Station: 168.9p a litre, 0.6 miles away
Barnstaple Taw View Extra - Petrol Filling Station: 168.9p a litre, 1.1 miles away
Taw Garages Service Station: 169.9p a litre, 2.8 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.