Petrol and diesel prices at Asda West Highway Express Petrol

Asda West Highway Express Petrol, G81 2XT.

What it is charging

• Unleaded: 172.9p a litre, 1.2p over the national average, filed Tuesday 27 October
• Super unleaded: 191.9p a litre, filed Tuesday 27 October

Unleaded within 5 miles

• Abbotsinch Service Station JET: 167.9p a litre, 1.9 miles away. 5.0p a litre cheaper: saves £2.75 a tank, and costs about 72p of fuel to get there and back. Worth the trip.
• Sainsburys Braehead: 168.9p a litre, 2.7 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about £1.03 of fuel to get there and back. Worth the trip.
• Clyde Tunnel Service Station LTD: 168.9p a litre, 3.5 miles away. 4.0p a litre cheaper: saves £2.20 a tank, and costs about £1.34 of fuel to get there and back. Worth the trip.
• Renfrew Superstore - Petrol Filling Station: 169.9p a litre, 2.7 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about £1.04 of fuel to get there and back. Worth the trip.
• Arkleston Service Station: 169.9p a litre, 3.2 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about £1.23 of fuel to get there and back. Worth the trip.
• Mfg Greenock Road: 169.9p a litre, 4.1 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about £1.58 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.