Fuel prices in St Marys, SA

Postcode 5042: St Marys, Bedford Park, Clovelly Park, Pasadena and Tonsley.

Cheapest now

Cheapest Unleaded 91 petrol in St Marys now

193.9 cents a litre

U-Go St MarysSt Marys · 1.3 km

Cheapest of 2 in St Marys

Lower around St Marys: 193.5 c/L, 1.9 km away, at Solo Marion

Updated · same price since Sat 4:02 pm

$2.28 less on a 60 L fill than the St Marys average.

Directions to U-Go St Marys

More about this price

: St Marys Unleaded 91 averages 197.7 c/L today; the cheapest is 193.9 c/L at U-Go St Marys, 3.8 c/L under the average.

cheapest
this price
St Marys average
197.7 c/L
dearest
201.4 c/L

Is Unleaded 91 petrol cheap in St Marys today?

Within 10 km of St Marys: 21.2 c/L lower than 14 days ago.

How St Marys compares

The St Marys average for Unleaded 91 is 25.9 c/L under the Australia average of 223.6 c/L.

2 Unleaded 91 stations in St Marys · Source: SA Fuel Pricing Information Scheme

Have a docket or membership?

Fuel prices at each station in St Marys

26 stations in St Marys and within 10 km · Updated

  1. OTR St Marys1181 South Rd, St Marys · 1.0 km
    U91
    201.4
    E10
    Not sold
    P95
    218.9
    P98
    224.4
    Diesel
    Not sold
    P. Diesel
    250.4
    LPG
    Not sold
  2. U-Go St Marys1129-1131 South Rd & Southern Av, St Marys · 1.3 km
    U91
    193.9
    E10
    Not sold
    P95
    210.9
    P98
    216.9
    Diesel
    Not sold
    P. Diesel
    250.4
    LPG
    Not sold
  3. OTR Pasadena14 Fiveash Dr & Painter St, Pasadena · 1.3 km
    U91
    200.2
    E10
    Not sold
    P95
    217.7
    P98
    223.2
    Diesel
    Not sold
    P. Diesel
    259.4
    LPG
    103.9
  4. LMCT+ Edwardstown1112 South Rd, Edwardstown · 1.6 kmLMCT+ members only
    U91
    196.5
    E10
    Not sold
    P95
    209.5
    P98
    214.5
    Diesel
    246.5
    P. Diesel
    Not sold
    LPG
    Not sold
  5. AMPM Edwardstown62-102 Daws Road, Edwardstown · 1.7 km
    U91
    203.4
    E10
    Not sold
    P95
    219.4
    P98
    228.4
    Diesel
    255.4
    P. Diesel
    257.4
    LPG
    Not sold

Is it worth driving further for Unleaded 91?

Not worth the drive

Solo Marion in Marion sells Unleaded 91 0.4 c/L below 193.9 c/L at U-Go St Marys today, saving $0.24 on a 60 L fill, but the 3.8 km round trip in a medium car uses $0.59 of fuel, so you would be $0.35 worse off.

60 L
  1. Marion

    Solo Marion · 1.9 km away

    193.5

    0.4 c/L less · $0.35 worse off

  2. Pasadena

    OTR Pasadena · 1.3 km away

    200.2

    6.3 c/L more

  3. Mitchell Park

    OTR Mitchell Park · 1.9 km away

    202.4

    8.5 c/L more

Straight-line distances from St Marys' centre. Round trip at 8 L/100 km; tolls and time not counted. Updated

Check a route of your own

Unleaded 91 price outlook

The Adelaide Unleaded 91 outlook, shifted 9.8 c/L lower for local prices.

Past 7-day estimates missed by about 4.6 c/L on average, about the same as assuming prices stay the same (4.7 c/L).

Next 7 days

Chart range
Model estimate · 14 Nov
198.7 c/L
Model estimate · 21 Nov
191.4 c/L
Range 181.2–209.1 c/L

Unleaded 91 outlook for St Marys. The forecast moves from 198.7 c/L on 14 Nov 2026 to 191.4 c/L on 21 Nov 2026.

Source: FuelRadar (fuelradar.com.au)

Shaded area shows the estimated range.
Daily prices and estimates · Unleaded 91

Model estimate · Range includes today

198.7c/L

Estimated range 198.7–198.7c/L

Model estimate · Range below today

196.4c/L

Estimated range 195.3–197.9c/L

Model estimate · Range includes today

194.5c/L

Estimated range 192.0–198.7c/L

Model estimate · Range includes today

192.6c/L

Estimated range 188.8–199.4c/L

Model estimate · Range includes today

192.3c/L

Estimated range 186.9–201.8c/L

Model estimate · Range includes today

192.0c/L

Estimated range 185.0–204.2c/L

Model estimate · Range includes today

191.7c/L

Estimated range 183.1–206.6c/L

Model estimate · Range includes today

191.4c/L

Estimated range 181.2–209.1c/L

How we estimate prices

These estimates follow the Adelaide price outlook, adjusted to the recent price level around St Marys. Individual stations can change at different times and by different amounts.

Source
Reported city-average prices and FuelRadar estimates, dated 2026-11-14.
Dates covered
Sat, 14 Nov to Mon, 14 Dec
How certain is this?
Low model signal. This is not a measured probability of a correct price.
  • Recent reported prices in Adelaide for this fuel grade.
  • Recent price movement, with its effect reduced further ahead.
  • The dated wholesale-price change used in this forecast.
  • Recent prices around St Marys, compared with the city average.
  • An estimated price range for the days ahead.

This chart estimates how prices may move. It does not show a price promised by the station or a schedule of daily changes. Market commentary provides background but does not set the chart prices. Check the reported price and update time before you drive.

How accurate is this?

Estimates follow the Adelaide outlook dated Sat, 14 Nov.

Open St Marys forecast

Compare fuel prices around St Marys

3 links

Discounts and deals in St Marys

4 prices

What Unleaded 91 costs at the listed stations with a docket, club rate or membership. Every other price here is the pump price; members-only prices stay out of the averages.

  • LMCT+ Edwardstown - (Members Only) · 1.6 km

    196.5 c/L

    LMCT+ members only

    196.5 c/L is no lower than the cheapest price for everyone within 10 km of St Marys, 193.5 c/L at Solo Marion.

  • U-Go St Marys · 1.3 km

    189.9 c/L

    Everyday Rewards Fuel Voucher

    4.0 c/L off: U-Go St Marys is 189.9 c/L with it, from 193.9 c/L at the pump. That is under the lowest pump price within 10 km of St Marys, 193.5 c/L at Solo Marion.

    Normally 4 c/L after a $30 qualifying shop, issued for a limited redemption period at participating Ampol networks and U-GO stations (first 75 L at U-GO).

  • Ampol Foodary Edwardstown · 2.7 km

    191.9 c/L

    NRMA Ampol Member Discount

    4.0 c/L off for NRMA members: Ampol Foodary Edwardstown is 191.9 c/L with it, from 195.9 c/L at the pump. That is under the lowest pump price within 10 km of St Marys, 193.5 c/L at Solo Marion.

    4 c/L on Unleaded 91, E10 and Diesel and 5 c/L on Premium 95, 98 and Premium Diesel at participating Ampol Foodary stations, not EG Ampol. One fill every 24 hours, up to 150 L.

    NRMA terms, checked 14 Nov 2026

  • Caltex Darlington · 2.5 km

    199.9 c/L

    RACQ Caltex Member Discount

    4.0 c/L off for RACQ members: Caltex Darlington is 199.9 c/L with it, from 203.9 c/L at the pump.

    4 c/L on Unleaded 91, E10, Premium 95 and 98, diesel and LPG at participating Caltex stations, up to 120 L a day; not with a shopper docket, another fuel discount or a fuel card.

    RACQ terms, checked 14 Nov 2026

Every fuel discount

St Marys U91 on the map

2 Unleaded 91 stations · from 193.9 c/L

Unleaded 91, Premium 95, Premium 98 and Premium Diesel prices in St Marys today

Cheapest of each fuel in St Marys

Change in 14 days
21.2 c/L lower Within 10 km of St Marys, U91
National average
223.6 c/L St Marys is 25.9 c/L under

Get an alert when fuel near St Marys hits your price

Pick a target price and the free FuelRadar app tells you when a station near you reaches it. Free on iPhone and Android.

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FuelRadar app Today screen with the fill-up call for Brisbane and the cheapest Unleaded 91 within 15 km
FuelRadar app fuel map with Unleaded 91 prices around Brisbane, each marked Cheap, Average or Pricey

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St Marys fuel questions

What is the cheapest fuel in St Marys today?

Within 10 km of St Marys, the lowest prices are 193.5 c/L for Unleaded 91 at Solo Marion (1.9 km away), 191.9 c/L for E10 at United Melrose Park (2.7 km away), 246.5 c/L for diesel at LMCT+ Edwardstown - (Members Only) (1.6 km away, members only; 249.5 c/L at Solo Marion, 1.9 km away, for everyone) and 214.5 c/L for Premium 98 at LMCT+ Edwardstown - (Members Only) (1.6 km away, members only; 215.5 c/L at Solo Marion, 1.9 km away, for everyone). FuelRadar updated these prices on 15 Nov 2026.

How do St Marys fuel prices compare with the South Australia average?

Within 10 km of St Marys, Unleaded 91 averages 203.8 c/L, 12.7 c/L under South Australia's 216.5 c/L; E10 averages 196.0 c/L, 7.5 c/L under South Australia's 203.5 c/L; diesel averages 254.4 c/L, 14.5 c/L under South Australia's 268.9 c/L.

Are there 24-hour service stations in St Marys?

FuelRadar's opening-hours data marks 35 of the 71 stations within 10 km of St Marys with opening hours on file as open 24/7, including OTR St Marys, U-Go St Marys and OTR Pasadena. Check the station page before a late-night trip.

Can I buy diesel and LPG in St Marys?

No station in St Marys reports diesel; 12 within 10 km do, the nearest 1.6 km away, from 246.5 c/L (members only). No station in St Marys reports LPG; 4 within 10 km do, the nearest 1.9 km away, from 97.5 c/L.

About these St Marys fuel prices

Prices from Suburb boundary: Australian Bureau of Statistics (ABS), ASGS Suburbs and Localities, CC BY 4.0 and SA Fuel Pricing Information Scheme, checked by FuelRadar.

FuelRadar is an independent Australian app. It does not represent, and is not affiliated with or endorsed by, any government or government agency.

How these figures are worked out

Update times vary by source and station. Check the update time before travelling and confirm the price at the bowser.