Petrol and diesel prices at Oasis Service station

Oasis Service station, EX33 2BH.

What it is charging

Unleaded: 172.9p a litre, 1.2p over the national average, filed Saturday 24 October
Diesel: 198.9p a litre, 0.2p over the national average, filed Saturday 24 October

Asda Barnstaple Superstore: 167.7p a litre, 4.3 miles away. 5.2p a litre cheaper: saves £2.86 a tank, and costs about £1.63 of fuel to get there and back. Worth the trip.
Sainsburys Barnstaple: 167.9p a litre, 4.0 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about £1.52 of fuel to get there and back. Worth the trip.
Mfg Pilton Bridge: 167.9p a litre, 4.3 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about £1.64 of fuel to get there and back. Worth the trip.
Stickle Path Service Station: 168.9p a litre, 4.1 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about £1.57 of fuel to get there and back. Worth the trip.
Mfg Roundswell: 168.9p a litre, 4.1 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about £1.57 of fuel to get there and back. Worth the trip.
Barnstaple Taw View Extra - Petrol Filling Station: 168.9p a litre, 4.6 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about £1.76 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.