Suburb fuel prices

Fuel prices in St Marys, SA

U91 starts at 158.5 c/L, with an average of 160.2 c/L across 2 tracked stations directly in St Marys.

Updated 11 hr ago · SA Fuel Pricing Information Scheme

St Marys · U91Below the state avg

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U91 in St Marys is cheaper than the South Australia average

St Marys sits 11.6c below the South Australia average. St Marys is 6.5c/L over its 30-day average. Prices usually dip later in the cycle.

How it compares

  • South Australia state avg171.8c/L-11.6c/L
  • National avg172.3c/L-12.1c/L
  • Wholesale (TGP)161c/L-0.8c/L

Local details

St Marys service details

Price range
3.4c spread
Nearby alternatives
68
Brands
2
Postcode
5042
Last updated
14 July 2026, 6:37 pm AEST

How to use this page

Using the St Marys price list

St Marys is in the Mitcham market. Compare the suburb with the wider city view when planning a larger fill.

Start with a recent station row for the fuel your vehicle uses. Widen the search only when the saving still makes sense after the extra distance.

Compare the same fuel grade

St Marys 5042 currently shows U91 from 158.5 c/L, averaging 160.2 c/L across 2 tracked stations directly in St Marys.

Fuel-grade coverage depends on which nearby stations have recently reported prices. Use the station list and update times before making a special trip.

Before driving farther

St Marys is part of Mitcham, within Metropolitan Adelaide. Compare the wider Mitcham market when the cheapest local report is stale, out of the way or only a few cents lower.

Nearby suburbs with useful comparison data include Clovelly Park from 158.5c across 2 stations, Marion from 162.5c across 2 stations, Sturt from 166.9c across 2 stations, Edwardstown from 158.5c across 2 stations, Pasadena from 162.9c across 1 station and Melrose Park from 161.9c across 1 station.

Check the station update time and detour distance before leaving your route, including SA Fuel Pricing Information Scheme where available. For broader context, compare the South Australia state average of 171.8c.

Local stations

Cheapest U91 stations in St Marys

Current U91 prices at stations located directly within St Marys. Tap a station for directions and details.

FuelRadar

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Frequently asked

St Marys fuel questions

St Marys 5042 currently shows 158.5 c/L as the lowest listed U91 price, with a local average of 160.2 c/L. Check the station update time before driving.

30-day price range · U91

St Marys U91 price range

St Marys is 6.5c/L above its 30-day average. Compare the latest station reports before choosing when to fill.

30-day low
145.5c/L
30-day average
156.9c/L
30-day high
167.9c/L
Today's average
163.4c/L
145.0156.5168.015 June30 June14 July
Daily averageMin–max spread across St Marys stations

7-day outlook

St Marys 7-day U91 outlook

Falling · -10.1c/L over 7 days

St Marys prices follow the Adelaide cycle, so this outlook takes the Adelaide U91 forecast and adjusts it to St Marys's own price level using 90 days of local history. You can see the Adelaide benchmark alongside the local estimate below.

Adelaide is in the stable phase of its current cycle.

St Marys today (est.)

161.9c/L

Adelaide 163.4c/L · -1.5c/L local

Modelled in 7 days

151.7c/L

7-day range

146.0 – 164.0c/L

145.0155.0165.0TueWedThuFriSatSunMon
Modelled priceLikely price range

Local brands

Fuel brands in St Marys

Open brand pages for broader price context, loyalty discounts and nearby station coverage before choosing a station.

FuelRadar app

Save a station near St Marys

Save a regular station, then set a fuel target for your local area.