Petrol and diesel prices at Sainsburys Isle OF Wight

Sainsburys Isle OF Wight, PO30 5ZB.

What it is charging

Unleaded: 175.9p a litre, 4.2p over the national average, filed Friday 30 October
Diesel: 197.9p a litre, 0.8p under the national average, filed Monday 19 October

Asda Newport Isle OF Wight Superstore: 174.7p a litre, 0.8 miles away. 1.2p a litre cheaper: saves 66p a tank, and costs about 31p of fuel to get there and back. Worth the trip.
Mfg Morrisons Isle OF Wight Newport: 174.9p a litre, 0.4 miles away. 1.0p a litre cheaper: saves 55p a tank, and costs about 15p of fuel to get there and back. Worth the trip.
Central Convenience - Osborne Garage: 178.9p a litre, 3.3 miles away
Harwood Bros Motors Wootton Ltd: 182.9p a litre, 2.8 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.