Brand prices by city
Costco fuel prices in Adelaide
Costco Unleaded 91 in Adelaide averages 142.7c, from 142.7c across 1 stations — 6.3c cheaper than the Adelaide average. Live prices updated every 15 minutes.
Source: SA Fuel Pricing Information Scheme
142.7c
142.7c
149.0c
1
CHEAPER
Costco runs cheaper than Adelaide
Costco unleaded 91 averages 142.7c/L in Adelaide — 6.3c/L under the Adelaide average of 149.0c/L. Even so, the cheapest local servo usually beats a brand average — fill up when you spot one near the bottom of the cycle.
The numbers
Costco avg in Adelaide: 142.7 c/L · Adelaide average (all brands): 149.0 c/L · vs city: -6.3c/L · Cheapest Costco now: 142.7 c/LCheapest Costco stations in Adelaide
Fair price 149.0| Rank | Station | Price | vs fair | Distance | Directions |
|---|---|---|---|---|---|
| Cheapest |  Costco Kilburn SA | 142.7c/L | fairat or below fair price | 7.4 km |
- Cheapest7.4 km
Costco Kilburn
SA
142.7c/Lfairat or below fair price
Costco Unleaded 91
Costco Unleaded 91 prices in Adelaide
Low, average and high across the 1 Costco stations tracked in Adelaide.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| Costco Unleaded 91 | 142.7c | 142.7c | 142.7c | 1 | — |
Timing
Should you fill up in Adelaide?
Adelaide fuel prices move on a multi-week cycle that affects every brand, Costco included. The cheapest day to buy depends on where the city sits in that cycle — check the live cycle page before a big fill-up.
See the live price cycleCheaper by brand in Adelaide
Cheapest unleaded 91 brands in Adelaide
How Costco stacks up against rival brands in Adelaide, cheapest first. A single station can still beat its brand's average — the leaderboard up top has the live winner.
Costco in Adelaide
Costco fuel prices in Adelaide at a glance
- Cheapest Costco now
- 142.7 c/L
- Costco Adelaide average
- 142.7 c/L
- Adelaide average (all brands)
- 149.0 c/L
- vs city average
- -6.3c/L cheaper
- Costco stations
- 1
- Cheapest station
- Costco Kilburn
- Data source
- SA Fuel Pricing Information Scheme
Costco · Adelaide
Costco fuel prices in Adelaide
Today's prices
Costco unleaded 91 in Adelaide, South Australia averages 142.7c/L across 1 stations, with the cheapest listed today at 142.7c/L at Costco Kilburn. Compare every Costco station in Adelaide on the live map before you fill up.
Is Costco cheap in Adelaide?
Against the Adelaide average of 149.0c/L across all brands, Costco runs 6.3c/L cheaper. Brand averages move with the price cycle and dockets shift what you actually pay, so compare other brands in Adelaide — no single network is always cheapest.
Local timing tip
In Adelaide, Costco prices move with the broader city cycle. The single cheapest Costco station today can beat the brand average by several cents — the spread here between lowest and highest Costco listing is often several cents. Check the ranked list above, then confirm on the live map before you commit. Stacking a supermarket docket or club membership on top of a keen local servo commonly adds another 4–6c/L in effective saving.
Beyond this city
This page scopes Costco to Adelaide. For the full picture — state coverage, city averages and cheaper suburbs nationwide — see the Costco brand page.
Local advice for Adelaide
For drivers in Adelaide, the cheapest Costco station is rarely the only option — compare against Solo in Adelaide or U-Go in Adelaide. See how Costco performs in other cities such as Melbourne or Perth. Time fills against the city cycle for the biggest saving on this brand locally.
Keep exploring
More Costco and Adelaide fuel prices
See where Costco is keenest in other cities, how rival brands price in Adelaide, or skip the brand debate and find the cheapest servo near you.
Common questions
Costco in Adelaide FAQ
Yes — Costco Unleaded 91 in Adelaide averages 142.7c, about 6.3c cheaper than the Adelaide average of 149c. The cheapest station almost always beats the brand average, so compare live prices before you fill up.
FuelRadar app
Never overpay for Costco in Adelaide
Track Costco prices in Adelaide, watch the cycle and get an alert before the next jump — from your phone.
