Report highlights
- Adelaide reported prices averaged 233.1 c/L for U91 in October 2026, up 14.3 c/L on September 2026.
- Crafers–Bridgewater was the cheapest town in Adelaide – Central and Hills for U91 in October 2026 at 236.6 c/L, 3.5 c/L above Adelaide.
- Since our records began on 13 April 2026, the day of the week made little difference to U91 prices in Adelaide: the cheapest and dearest days were 0.8 c/L apart on average.
- Filling a 60-litre tank with U91 in McLaren Vale rather than in Nullarbor (rural) saved $52.92 on average in October 2026.
- Independent service stations in South Australia averaged 2.1 c/L more than the major brands for U91 in October 2026, and 4.7 c/L less in Adelaide.
- Diesel cost 47.9 c/L more than U91 in Adelaide in October 2026, down from 50.4 c/L in September 2026.
- McLaren Vale was South Australia’s cheapest town for U91 in October 2026 at 227.8 c/L, 5.3 c/L below Adelaide.
- Adelaide was the cheapest of the 8 capital cities for U91 in October 2026 at 233.1 c/L.
Quote these with the credit: Source: FuelRadar Australia, South Australia fuel prices, October 2026, fuelradar.com.au/fuel-price-reports/sa/2026-10
South Australian drivers paid an average of 240.4 c/L for U91 in October 2026. This was 16.1 c/L higher than the previous period. The state average for diesel reached 286.9 c/L, which was an increase of 13.0 c/L.
What drivers paid
| Fuel | South Australia | Change | Adelaide | Rest of state |
|---|---|---|---|---|
| U91 | 240.4 | +16.1 | 233.1 | 246.4 |
| Diesel | 286.9 | +13.0 | 281.0 | 288.1 |
| E10 | 228.1 | +15.2 | 225.3 | 233.6 |
| P95 | 253.8 | +15.1 | 250.3 | 260.0 |
| P98 | 261.7 | +14.4 | 257.1 | 266.5 |
| LPG | 118.0 | +2.7 | 105.9 | 130.8 |
The state average for U91 was 240.4 c/L in October 2026. This was 16.1 c/L higher than the September 2026 average.
Diesel averaged 286.9 c/L across South Australia. This fuel rose by 13.0 c/L compared to the previous month. Other fuels averaged 228.1 c/L for E10, 253.8 c/L for P95, 261.7 c/L for P98 and 118.0 c/L for LPG.
Adelaide against the rest of South Australia
Drivers in Adelaide paid an average of 233.1 c/L for U91 in October 2026. Outside the city, U91 was 246.4 c/L. Regional drivers paid 13.3 c/L more than those in the capital. Since our records began on 13 April 2026, the state average for U91 was 200.6 c/L. Within the capital, Adelaide South was the cheapest area for U91 at 232.3 c/L. Prices in Adelaide West sat at 232.4 c/L for U91. Adelaide North recorded an average of 232.8 c/L for U91. Adelaide – Central and Hills was the dearest area for U91 at 236.2 c/L. Independent servos across South Australia charged 241.9 c/L for U91. The major brands were 239.8 c/L for U91 across the state. In Adelaide, independent stations averaged 229.6 c/L for U91. Major brands in the capital stood at 234.3 c/L for U91. The cheapest day of the week to buy U91 in Adelaide was Wednesday. The dearest day was Saturday. The saving between these days was 0.8 c/L. Filling a 60-litre tank with U91 in McLaren Vale rather than in Nullarbor (rural) saved $52.92.
The Adelaide average for diesel was 281.0 c/L. Regional pumps dispensed diesel at 288.1 c/L. This means the rest of the state paid 7.1 c/L more for diesel. The year-to-date state average for diesel was 246.5 c/L. The diesel premium over U91 was 47.9 c/L in Adelaide. Adelaide South delivered a diesel average of 276.8 c/L. Bowser prices in Adelaide – Central and Hills were 278.3 c/L for diesel. Adelaide North saw a diesel average of 281.0 c/L. Adelaide West recorded the highest diesel average in the capital at 283.1 c/L. For diesel in Adelaide, the cheapest day was Thursday and the dearest day was Monday. The difference was 0.7 c/L. A 60-litre tank of diesel was $57.42 less in Victor Harbor than in Nullarbor (rural).
Cheapest and dearest towns
The cheapest town for U91 was McLaren Vale at 227.8 c/L. Drivers in Nullarbor (rural) paid the highest average for U91 at 316.0 c/L. The spread between these towns was 88.2 c/L. We ranked 60 towns for U91, and 2 were cheaper than Adelaide. Leroys Mclaren Vale was the cheapest station in McLaren Vale. Victor Harbor recorded the lowest diesel average at 270.0 c/L. The dearest town for diesel was Nullarbor (rural) at 365.7 c/L. The difference between these locations was 95.7 c/L. We ranked 63 towns for diesel, and 11 were cheaper than Adelaide. Liberty McCracken offered the lowest diesel average in Victor Harbor.
| Fuel | Town | Average | Against Adelaide | Cheapest station | |
|---|---|---|---|---|---|
| U91 | Cheapest | McLaren Vale | 227.8 | −5.3 | Leroys Mclaren Vale |
| U91 | Cheapest | Victor Harbor | 231.1 | −2.0 | Liberty McCracken |
| U91 | Cheapest | Mount Gambier | 235.3 | +2.2 | United Petroleum Mount Gambier |
| U91 | Cheapest | Angle Vale | 235.4 | +2.3 | X Convenience Angle Vale |
| U91 | Cheapest | Roseworthy | 235.4 | +2.3 | Recharge Roseworthy Road |
| U91 | Dearest | Nullarbor (rural) | 316.0 | +82.9 | Border Village Roadhouse |
| U91 | Dearest | Coober Pedy | 270.6 | +37.5 | Ampol Coober Pedy |
| U91 | Dearest | Hawker | 266.2 | +33.1 | Chris's Mechanical Services |
| U91 | Dearest | Kingscote | 264.8 | +31.7 | Ampol Kingscote |
| U91 | Dearest | Cummins | 260.6 | +27.5 | Bascombe Autoag |
| Diesel | Cheapest | Victor Harbor | 270.0 | −11.0 | Liberty McCracken |
| Diesel | Cheapest | Mount Gambier | 273.2 | −7.8 | United Petroleum Mount Gambier |
| Diesel | Cheapest | McLaren Vale | 275.2 | −5.8 | Leroys Mclaren Vale |
| Diesel | Cheapest | Tailem Bend | 276.4 | −4.6 | BP OPT Tailem Bend |
| Diesel | Cheapest | Edithburgh | 276.8 | −4.2 | Edithburgh Deli & Newsagency |
| Diesel | Dearest | Nullarbor (rural) | 365.7 | +84.7 | Border Village Roadhouse |
| Diesel | Dearest | Coober Pedy | 326.5 | +45.5 | Perrys Coober Pedy |
| Diesel | Dearest | Lyndhurst (rural) | 317.9 | +36.9 | Perrys Lyndhurst |
| Diesel | Dearest | Hawker | 298.9 | +17.9 | BP Hawker |
| Diesel | Dearest | Kingscote | 298.2 | +17.2 | Ampol Kingscote |
What to watch next
Wholesale petrol was 225.2 c/L on 30 October 2026. This was an increase of 3.2 c/L over five days. Wholesale diesel was 266.7 c/L, which was an increase of 3.6 c/L over the same period. Brent crude oil was $103.53 US a barrel on 30 October 2026. This was a decrease of 9.9% over five days. These figures are estimates, not a guarantee.
Check before you fill
You can read the full report at https://fuelradar.com.au/fuel-price-reports/sa/2026-10 to see every town ranked and the cheapest station in each. These are period averages, not today's prices.
You can check the map at https://fuelradar.com.au/map to see today's prices before you make a detour.
How we worked these out: each day, every service station counts once at its latest price, carried forward at most 30 days, and the averages are taken over every station-day in the period. The full report ranks every town we could rank and names the cheapest station in each. Download the PDF.
Disclaimer: Fuel prices can change after publication. The station prices in this report are the reports FuelRadar Australia held when it was published, and forecast calls are model estimates, not confirmed station prices. Check the station page or map for the latest reported price and update time before making a detour.
