Don't get pumped.
As of 20 July 2026, the cheapest unleaded petrol in St Marys, NSW is 167.5c per litre at Metro, St Marys. Prices range from 167.5c to 174.9c across 6 stations, averaging 172.5c per litre.
Live fuel prices from 6+ stations in St Marys, Sydney. Average: 172.5c/L
Last updated: 07:00 AM, 20 Jul 2026
Petrol prices in St Marys (Sydney area) currently range from 167.5c to 174.9c per litre for unleaded fuel, with motorists paying an average of 172.5c/L. We're tracking live prices from 6 service stations, which means you could save up to $3.70 on a 50L tank simply by choosing the right station. View all New South Wales prices for broader comparisons.
Compare all fuel types in St Marys: Unleaded (ULP) from 167.5c/L, E10 Ethanol from 165.5c/L (save 2.0c/L), Premium 95 from 188.9c/L, Premium 98 from 187.5c/L. Each fuel type page shows the cheapest stations in the area, helping you find the best deal whether you need regular unleaded, premium fuel, or diesel.
In New South Wales, petrol prices follow a weekly cycle typically peaking on Thursdays. Fill up Monday or Tuesday when prices are at their lowest to maximise savings. Check our Best Time to Fill Up guide for detailed advice.
Prices for St Marys are sourced from NSW FuelCheck and community-verified reports, updating continuously throughout the day. Compare prices by brand or view our full station directory for more options.
NSW follows a predictable weekly price cycle. Prices typically peak on Thursday and are lowest on Monday/Tuesday.
Check individual station prices in St Marys
Distribution of stations across cycle phases in St Marys
Based on historical price patterns in St Marys, Monday tends to offer the best prices. Start of the week often brings lower prices as stations compete for customers.
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Metro St Marys | Metro | St Marys | 167.5c | Today, 7:00am | |
| 7-Eleven St Marys | 7-Eleven | St Marys | 171.9c | Today, 7:00am | |
| BP St Marys (Forrester Road) | BP | St Marys | 171.9c | Today, 7:00am | |
| 4 | BP St Marys South | BP | St Marys | 173.9c | Today, 7:00am |
| 5 | 7-Eleven St Marys | 7-Eleven | St Marys | 174.9c | Today, 7:00am |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| BP St Marys (Forrester Road) | BP | St Marys | 210.9c | Today, 7:00am | |
| Shell Reddy Express St Marys | Reddy Express | St Marys | 214.9c | Today, 7:00am |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Metro St Marys | Metro | St Marys | 165.5c | Today, 7:00am | |
| BP St Marys (Forrester Road) | BP | St Marys | 169.9c | Today, 7:00am | |
| 7-Eleven St Marys | 7-Eleven | St Marys | 169.9c | Today, 7:00am | |
| 4 | BP St Marys | BP | St Marys | 169.9c | Today, 7:00am |
| 5 | 7-Eleven St Marys | 7-Eleven | St Marys | 172.9c | Today, 7:00am |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| 7-Eleven St Marys | 7-Eleven | St Marys | 188.9c | Today, 7:00am | |
| BP St Marys | BP | St Marys | 188.9c | Today, 7:00am | |
| BP St Marys South | BP | St Marys | 191.9c | Today, 7:00am |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Metro St Marys | Metro | St Marys | 187.5c | Today, 7:00am | |
| 7-Eleven St Marys | 7-Eleven | St Marys | 197.9c | Today, 7:00am | |
| BP St Marys | BP | St Marys | 197.9c | Today, 7:00am | |
| 4 | BP St Marys South | BP | St Marys | 199.9c | Today, 7:00am |
| 5 | BP St Marys (Forrester Road) | BP | St Marys | 199.9c | Today, 7:00am |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Metro St Marys | Metro | St Marys | 203.5c | Today, 7:00am | |
| 7-Eleven St Marys | 7-Eleven | St Marys | 211.9c | Today, 7:00am | |
| BP St Marys (Forrester Road) | BP | St Marys | 212.9c | Today, 7:00am | |
| 4 | 7-Eleven St Marys | 7-Eleven | St Marys | 212.9c | Today, 7:00am |
| 5 | BP St Marys South | BP | St Marys | 212.9c | Today, 7:00am |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Metro St Marys | Metro | St Marys | 97.9c | Today, 7:00am |
Find the best value by suburb - average unleaded petrol prices:
| Suburb | Stations | Average Price | Cheapest Price |
|---|---|---|---|
| St Marys | 6 stations | 172.5c | 167.5c |
Save money at these stations with the lowest ULP prices. Prices shown for all available fuel types:
| Station | Address | Brand | ULP | E10 | Diesel | P95 | P98 | Updated |
|---|---|---|---|---|---|---|---|---|
| Metro St Marys | 516-526 Great Western Hwy, St Marys NSW 2760 | Metro | 167.5c | 165.5c | - | - | 187.5c | Today, 7:00am |
| BP St Marys (Forrester Road) | 120-128 Forrester Road, St Marys NSW 2760 | BP | 171.9c | 169.9c | 210.9c | - | 199.9c | Today, 7:00am |
| 7-Eleven St Marys | Corner Forrester Road & Christie Street, St Marys NSW 2760 | 7-Eleven | 171.9c | 169.9c | - | 188.9c | 197.9c | Today, 7:00am |
| BP St Marys South | 12 Gallipoli St, St Marys NSW 2760 | BP | 173.9c | - | - | 191.9c | 199.9c | Today, 7:00am |
| Shell Reddy Express St Marys | 61-63 Christie St, St Marys NSW 2760 | Reddy Express | 174.9c | 172.9c | 214.9c | - | 201.9c | Today, 7:00am |
| 7-Eleven St Marys | Corner Mamre Road & Wilson Street, St Marys NSW 2760 | 7-Eleven | 174.9c | 172.9c | - | - | 200.9c | Today, 7:00am |
Avoid overpaying - these stations have the highest ULP prices:
| Station | Address | Brand | ULP | E10 | Diesel | P95 | P98 | Updated |
|---|---|---|---|---|---|---|---|---|
| Shell Reddy Express St Marys | 61-63 Christie St, St Marys NSW 2760 | Reddy Express | 174.9c | 172.9c | 214.9c | - | 201.9c | Today, 7:00am |
| 7-Eleven St Marys | Corner Mamre Road & Wilson Street, St Marys NSW 2760 | 7-Eleven | 174.9c | 172.9c | - | - | 200.9c | Today, 7:00am |
| BP St Marys South | 12 Gallipoli St, St Marys NSW 2760 | BP | 173.9c | - | - | 191.9c | 199.9c | Today, 7:00am |
| BP St Marys (Forrester Road) | 120-128 Forrester Road, St Marys NSW 2760 | BP | 171.9c | 169.9c | 210.9c | - | 199.9c | Today, 7:00am |
| 7-Eleven St Marys | Corner Forrester Road & Christie Street, St Marys NSW 2760 | 7-Eleven | 171.9c | 169.9c | - | 188.9c | 197.9c | Today, 7:00am |
| Metro St Marys | 516-526 Great Western Hwy, St Marys NSW 2760 | Metro | 167.5c | 165.5c | - | - | 187.5c | Today, 7:00am |
Savings Tip: Price difference between cheapest (167.5c/L) and most expensive (174.9c/L): 7.4c per litre. On a 50L tank, choosing the cheapest station saves you $3.70!
Compare fuel prices in these nearby locations:
St Marys has 6 petrol stations. Right now, ULP (unleaded petrol) prices in St Marys range from 167.5c/L to 174.9c/L (a difference of 7.4c/L).
Real-time data updated continuously from official government sources and community reports. We track live prices from major fuel brands including Ampol, Shell, BP, 7-Eleven, Coles Express, and independent service stations. The current average price is 172.5c/L (last updated: 07:00 AM, 20 Jul 2026).
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