The average price of fuel at Sainsbury's as of 17th July 2025 is 131.3p for petrol, and 138.2p for diesel. The cheapest prices at any Sainsbury's petrol station is currently 123.9p, and the price of diesel is 129.9p. The last recorded prices at the most expensive Sainsbury's petrol station are currently 139.9p for petrol, and 146.9p for diesel.