Petrol and diesel prices at A45 Fuel Express Automat

A45 Fuel Express Automat, CV5 9QT.

What it is charging

Unleaded: 168.7p a litre, 3.0p under the national average, filed Friday 30 October
Diesel: 195.7p a litre, 3.0p under the national average, filed Friday 30 October

Costco Wholesale Coventry: 164.9p a litre, 1.9 miles away. 3.8p a litre cheaper: saves £2.09 a tank, and costs about 71p of fuel to get there and back. Worth the trip.
Roadside Coventry: 167.9p a litre, 3.7 miles away. 0.8p a litre cheaper: saves 44p a tank, and costs about £1.41 of fuel to get there and back. Not worth the trip.
Mfg Morrisons Coventry Holyhead Road: 169.9p a litre, 1.9 miles away
Mfg Radford: 169.9p a litre, 2.4 miles away
Mfg Coventry: 169.9p a litre, 4.1 miles away
Cannon Park Centre Superstore - Petrol Filling Station: 170.9p a litre, 2.7 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.