Brand prices by city
Costco fuel prices in Adelaide
Costco Unleaded 91 in Adelaide averages 156.7c, from 156.7c across 2 stations — 2.7c cheaper than the Adelaide average. Live prices updated every 15 minutes.
Source: SA Fuel Pricing Information Scheme
156.7c
156.7c
159.4c
2
CHEAPER
Costco runs cheaper than Adelaide
Costco unleaded 91 averages 156.7c/L in Adelaide — 2.7c/L under the Adelaide average of 159.4c/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: 156.7 c/L · Adelaide average (all brands): 159.4 c/L · vs city: -2.7c/L · Cheapest Costco now: 156.7 c/LCheapest Costco stations in Adelaide
Fair price 159.4| Rank | Station | Price | vs fair | Distance | Directions |
|---|---|---|---|---|---|
| Cheapest | Costco Kilburn SA | 156.7c/L | fairat or below fair price | 7.4 km | |
| 2 | Costco Kilburn SA | 156.7c/L | fairat or below fair price | 7.4 km |
Costco Unleaded 91
Costco Unleaded 91 prices in Adelaide
Low, average and high across the 2 Costco stations tracked in Adelaide.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| Costco Unleaded 91 | 156.7c | 156.7c | 156.7c | 2 | — |
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
- 156.7 c/L
- Costco Adelaide average
- 156.7 c/L
- Adelaide average (all brands)
- 159.4 c/L
- vs city average
- -2.7c/L cheaper
- Costco stations
- 2
- 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 156.7c/L across 2 stations, with the cheapest listed today at 156.7c/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 159.4c/L across all brands, Costco runs 2.7c/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.
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.
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 156.7c, about 2.7c cheaper than the Adelaide average of 159.4c. 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.
- Today's call: fill up, wait or hold
- A heads-up before the next price jump
- Forecast the bottom of the cycle
- Cheapest servo near you, in seconds
