U Go St Marys fuel prices, live today

Right now the cheapest fuel in St Marys (5042), SA is U91 193.5¢ (cents per litre), refreshed every 15 minutes from the SA Fuel Pricing Information Scheme. The live price list on this page sorts every reporting station cheapest-first - pick a fuel type to compare E10, Unleaded 91, Premium 95/98 and diesel.

There are 2 reporting stations directly in St Marys, across 2 brands. The live price list on this page also pulls in the nearest reporting stations outside St Marys so you don't miss a cheaper fill-up just outside the suburb line.

St Marys follows the SA 42-day fuel cycle but lags the major metro centres by 24-48 hours. The cheapest pumps in St Marys tend to be mid-week (Tuesday to Thursday). The closest cheaper alternative is usually Edwardstown, 0.5 km away. Check the live price list on this page before filling up.

Live prices in St Marys cover Unleaded 91, Unleaded E10, Premium 95, Premium 98, Diesel and Premium Diesel wherever each of its 2 reporting stations carries them. E85 ethanol is uncommon at St Marys stations. Use the fuel-type dropdown above the price list to switch between them.

Every 15 minutes. SA fuel retailers must report price changes to the Government within 30 minutes of the bowser changing, and Fuel Daddy refreshes from the SA Fuel Pricing Information Scheme four times an hour. The 2 stations reporting in St Marys are re-checked on every refresh (this page last generated 20:08 AEST, 24 August 2026).