Unleaded: 170.9p a litre, 0.8p under the national average, filed Saturday 31 October
Diesel: 198.9p a litre, 0.2p over the national average, filed Monday 19 October
Super unleaded: 182.9p a litre, filed Saturday 31 October
Unleaded within 5 miles
Mfg Morrisons Caerphilly: 167.9p a litre, 2.9 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about £1.10 of fuel to get there and back. Worth the trip.
Asda Caerphilly Superstore: 167.9p a litre, 3.5 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about £1.33 of fuel to get there and back. Worth the trip.
Mfg Caerphilly: 167.9p a litre, 3.6 miles away. 3.0p a litre cheaper: saves £1.65 a tank, and costs about £1.37 of fuel to get there and back. Worth the trip.
Asda Cardiff Coryton Supercentre: 168.7p a litre, 2.3 miles away. 2.2p a litre cheaper: saves £1.21 a tank, and costs about 88p of fuel to get there and back. Worth the trip.
Mfg Morrisons Cardiff Tyglass: 168.9p a litre, 0.9 miles away. 2.0p a litre cheaper: saves £1.10 a tank, and costs about 34p of fuel to get there and back. Worth the trip.
Asda Leckwith Road Superstore: 169.7p a litre, 4.6 miles away. 1.2p a litre cheaper: saves 66p a tank, and costs about £1.77 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.