Don't get pumped.
As of 20 October 2026, the cheapest unleaded petrol in St Marys, NSW is 235.5c per litre at Metro, St Marys. Prices range from 235.5c to 241.9c across 6 stations, averaging 238.6c per litre.
Live fuel prices from 6+ stations in St Marys, Sydney. Average: 238.6c/L
Last updated: 12:00 PM, 20 Oct 2026
Petrol prices in St Marys (Sydney area) currently range from 235.5c to 241.9c per litre for unleaded fuel, with motorists paying an average of 238.6c/L. We're tracking live prices from 6 service stations, which means you could save up to $3.20 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 235.5c/L, E10 Ethanol from 233.5c/L (save 2.0c/L), Diesel from 277.9c/L, Premium 95 from 254.9c/L, Premium 98 from 257.5c/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, updated several times a 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, Wednesday tends to offer the best prices. Midweek can be a sweet spot before weekend price hikes.
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Metro St Marys | Metro | St Marys | 235.5c | Today, 12:00pm | |
| 7-Eleven St Marys | 7-Eleven | St Marys | 236.9c | Today, 12:00pm | |
| BP St Marys South | BP | St Marys | 236.9c | Today, 12:00pm | |
| 4 | BP St Marys (Forrester Road) | BP | St Marys | 238.9c | Today, 12:00pm |
| 5 | Shell Reddy Express St Marys | Reddy Express | St Marys | 241.7c | Today, 12:00pm |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| BP St Marys (Forrester Road) | BP | St Marys | 277.9c | Today, 12:00pm | |
| Shell Reddy Express St Marys | Reddy Express | St Marys | 283.9c | Today, 12:00pm |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Metro St Marys | Metro | St Marys | 233.5c | Today, 12:00pm | |
| 7-Eleven St Marys | 7-Eleven | St Marys | 234.9c | Today, 12:00pm | |
| BP St Marys (Forrester Road) | BP | St Marys | 236.9c | Today, 12:00pm | |
| 4 | BP St Marys | BP | St Marys | 236.9c | Today, 12:00pm |
| 5 | Shell Reddy Express St Marys | Reddy Express | St Marys | 239.7c | Today, 12:00pm |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| BP St Marys South | BP | St Marys | 254.9c | Today, 12:00pm | |
| BP St Marys | BP | St Marys | 255.9c | Today, 12:00pm | |
| Shell Reddy Express St Marys | Reddy Express | St Marys | 257.7c | Today, 12:00pm | |
| 4 | 7-Eleven St Marys | 7-Eleven | St Marys | 258.9c | Today, 12:00pm |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Metro St Marys | Metro | St Marys | 257.5c | Today, 12:00pm | |
| BP St Marys South | BP | St Marys | 262.9c | Today, 12:00pm | |
| 7-Eleven St Marys | 7-Eleven | St Marys | 262.9c | Today, 12:00pm | |
| 4 | BP St Marys | BP | St Marys | 264.9c | Today, 12:00pm |
| 5 | Shell Reddy Express St Marys | Reddy Express | St Marys | 266.7c | Today, 12:00pm |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Metro St Marys | Metro | St Marys | 263.3c | Today, 12:00pm | |
| BP St Marys | BP | St Marys | 279.9c | Today, 12:00pm | |
| BP St Marys South | BP | St Marys | 279.9c | Today, 12:00pm | |
| 4 | BP St Marys (Forrester Road) | BP | St Marys | 279.9c | Today, 12:00pm |
| 5 | 7-Eleven St Marys | 7-Eleven | St Marys | 283.9c | Today, 12:00pm |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Metro St Marys | Metro | St Marys | 97.9c | Today, 12:00pm |
Find the best value by suburb - average unleaded petrol prices:
| Suburb | Stations | Average Price | Cheapest Price |
|---|---|---|---|
| St Marys | 6 stations | 238.6c | 235.5c |
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 | 235.5c | 233.5c | - | - | 257.5c | Today, 12:00pm |
| 7-Eleven St Marys | Corner Mamre Road & Wilson Street, St Marys NSW 2760 | 7-Eleven | 236.9c | 234.9c | - | - | 262.9c | Today, 12:00pm |
| BP St Marys South | 12 Gallipoli St, St Marys NSW 2760 | BP | 236.9c | - | - | 254.9c | 262.9c | Today, 12:00pm |
| BP St Marys (Forrester Road) | 120-128 Forrester Road, St Marys NSW 2760 | BP | 238.9c | 236.9c | 277.9c | - | 266.9c | Today, 12:00pm |
| Shell Reddy Express St Marys | 61-63 Christie St, St Marys NSW 2760 | Reddy Express | 241.7c | 239.7c | 283.9c | 257.7c | 266.7c | Today, 12:00pm |
| 7-Eleven St Marys | Corner Forrester Road & Christie Street, St Marys NSW 2760 | 7-Eleven | 241.9c | 239.9c | - | 258.9c | 267.9c | Today, 12:00pm |
Avoid overpaying - these stations have the highest ULP prices:
| Station | Address | Brand | ULP | E10 | Diesel | P95 | P98 | Updated |
|---|---|---|---|---|---|---|---|---|
| 7-Eleven St Marys | Corner Forrester Road & Christie Street, St Marys NSW 2760 | 7-Eleven | 241.9c | 239.9c | - | 258.9c | 267.9c | Today, 12:00pm |
| Shell Reddy Express St Marys | 61-63 Christie St, St Marys NSW 2760 | Reddy Express | 241.7c | 239.7c | 283.9c | 257.7c | 266.7c | Today, 12:00pm |
| BP St Marys (Forrester Road) | 120-128 Forrester Road, St Marys NSW 2760 | BP | 238.9c | 236.9c | 277.9c | - | 266.9c | Today, 12:00pm |
| 7-Eleven St Marys | Corner Mamre Road & Wilson Street, St Marys NSW 2760 | 7-Eleven | 236.9c | 234.9c | - | - | 262.9c | Today, 12:00pm |
| BP St Marys South | 12 Gallipoli St, St Marys NSW 2760 | BP | 236.9c | - | - | 254.9c | 262.9c | Today, 12:00pm |
| Metro St Marys | 516-526 Great Western Hwy, St Marys NSW 2760 | Metro | 235.5c | 233.5c | - | - | 257.5c | Today, 12:00pm |
Savings Tip: Price difference between cheapest (235.5c/L) and most expensive (241.9c/L): 6.4c per litre. On a 50L tank, choosing the cheapest station saves you $3.20!
Compare fuel prices in these nearby locations:
St Marys has 6 petrol stations. Right now, ULP (unleaded petrol) prices in St Marys range from 235.5c/L to 241.9c/L (a difference of 6.4c/L).
Updated several times a day from official government fuel price schemes. 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 238.6c/L (last updated: 12:00 PM, 20 Oct 2026).
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