Costco Casula (Members only)
Directions
2.21
$/litre
Looking for the cheapest Premium Diesel in Casula? Today's best price is $2.21/L at Costco Casula (Members only), saving around ~$4.50 on a 50 L tank vs the area average. All 6 stations are sorted cheapest first. Tap Directions on any row to open Google Maps from your location.
Prices are indicative. Always confirm at the bowser before fuelling.
Fuel type
Cheapest Premium Diesel stations in Casula
OTR Casula Inbound
Directions
2.33
$/litre
7-Eleven Casula
Directions
2.35
$/litre
BP Crossroads
Directions
2.35
$/litre
Premium Diesel prices nearby
Frequently asked questions
Where is the cheapest Premium Diesel in Casula?
As of 16 May 2026, 12:36 am, the cheapest Premium Diesel in Casula is Costco Casula (Members only) at $2.21/L. Prices update frequently, so check the exact reported time on each station card before heading out.
How much can I save filling at the cheapest Premium Diesel station in Casula?
Filling a 50 L tank at Costco Casula (Members only) ($2.21/L) saves around $4.50 compared to the local average of $2.30/L.
How often are Casula Premium Diesel prices updated?
Stations must report price changes to NSW Government Open Data within 30 minutes of the change. This page is rebuilt throughout the day. The timestamp at the top shows how current the data is for Casula.
What is Premium Diesel?
Premium Diesel (PDL) is an enhanced diesel formulation with added detergents and cetane improvers. It is suited to modern diesel engines and is often chosen for performance, longer injector life, and cleaner combustion. In Casula, Premium Diesel is available at 6 stations, with prices from $2.21 to $2.35/L. If you're unsure which pump to use, check your vehicle's handbook or the fuel cap; using the wrong grade can affect performance and emissions.
Why do Casula fuel prices differ between stations?
Wholesale costs, brand agreements, local competition, and site overhead all play a role. Larger independent forecourts and warehouse-style stations often offer lower prices than branded stations on high-traffic roads.