Unleaded: 169.9p a litre, 1.8p under the national average, filed Monday 26 October
Unleaded within 5 miles
Bolts Car Hire Ltd Lerwick: 165.8p a litre, 0.8 miles away. 4.1p a litre cheaper: saves £2.25 a tank, and costs about 30p of fuel to get there and back. Worth the trip.
Sound Service Station: 167.5p a litre, 1.5 miles away. 2.4p a litre cheaper: saves £1.32 a tank, and costs about 57p 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.