Petrol and diesel prices at On A Hill Garage Ltd

On A Hill Garage Ltd, EX34 9RQ.

What it is charging

Unleaded: 167.9p a litre, 3.8p under the national average, filed Thursday 22 October
Diesel: 196.9p a litre, 1.8p under the national average, filed Thursday 22 October

Golden Coast Service Station: 165.9p a litre, 3.5 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.31 of fuel to get there and back. Not worth the trip.
Hele Bay Service Station: 166.9p a litre, 2.5 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 94p of fuel to get there and back. Not worth the trip.
Jjj Ilfracombe Service Station: 166.9p a litre, 2.8 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about £1.06 of fuel to get there and back. Not worth the trip.
Central Convenience - Combe Martin PFS: 174.9p a litre, 3.6 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.