Petrol and diesel prices at Tam O'shanter Filling Station

Tam O'shanter Filling Station, KA7 1UW.

What it is charging

• Unleaded: 171.9p a litre, 0.2p over the national average, filed Friday 23 October

Unleaded within 5 miles

• Masonhill service station: 167.9p a litre, 1.2 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about 45p of fuel to get there and back. Worth the trip.
• Mfg Kyle: 167.9p a litre, 1.4 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about 53p of fuel to get there and back. Worth the trip.
• Sainsburys Prestwick: 167.9p a litre, 1.7 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about 64p of fuel to get there and back. Worth the trip.
• Ayr Extra - Petrol Filling Station: 168.9p a litre, 0.8 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about 30p of fuel to get there and back. Worth the trip.
• Ayr Service Station: 169.9p a litre, 1.1 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 42p of fuel to get there and back. Worth the trip.
• Coylton Service Station: 169.9p a litre, 4.8 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about £1.85 of fuel to get there and back. Not 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.