Petrol and diesel prices at Sainsburys Balsall Common

Sainsburys Balsall Common, CV7 7EU.

What it is charging

Unleaded: 171.9p a litre, 0.2p over the national average, filed Tuesday 27 October
Super unleaded: 183.9p a litre, filed Tuesday 27 October

Costco Wholesale Coventry: 164.9p a litre, 4.1 miles away. 7.0p a litre cheaper: saves £3.85 a tank, and costs about £1.53 of fuel to get there and back. Worth the trip.
A45 Fuel Express Automat: 168.7p a litre, 3.9 miles away. 3.2p a litre cheaper: saves £1.76 a tank, and costs about £1.49 of fuel to get there and back. Worth the trip.
Cannon Park Centre Superstore - Petrol Filling Station: 170.9p a litre, 4.3 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about £1.67 of fuel to get there and back. Not worth the trip.
Shell Little Waitrose Balsall Commo: 171.9p a litre, 0.6 miles away
Mfg Oak: 171.9p a litre, 3.3 miles away
Mfg Knowle: 171.9p a litre, 3.3 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.