Cost to Drive from Adelaide to Perth
2,697 km via the Eyre Hwy · about 31 h 30 min driving · range spans 6–11 L/100 km at Adelaide's weekly average U91
Fuel: Adelaide U91 avg, week ending 18 October 2026 · distance computed once from open routing- A typical car costs $514.37 one way at Perth's average (238.4 c/L), $3.45 more than at Adelaide's (236.8 c/L).
- At Adelaide's average the one-way trip in a typical car costs $510.92, $2.16 more than a week earlier ($508.76 at 235.8 c/L in the week ending 11 October 2026).
- That is $158.15 more than in the week ending 12 July 2026, when Adelaide U91 averaged 163.5 c/L and the same drive cost $352.77.
- At 2,697 km this is the longest of the 21 corridors RegoWise prices, so at any single price it is the dearest to drive.
The Eyre Highway crosses the Nullarbor between Adelaide and Perth and is one of the most remote major drives in the country. Roadhouses are spaced far apart, so fuel planning isn't optional: fill up at every reasonable opportunity and never let the tank run low between stops. Fuel at the isolated roadhouses runs well above city averages, which is the cost of the remoteness. Carry water, plan your stops, and treat this as a serious long-haul drive.
Adelaide → Perth fuel cost
Default price: Adelaide average U91, week ending 18 October 2026. Fuel only — tolls, wear and rest stops not included.
The breakdown at typical consumption
| Car | L/100 km | Fuel used | Adelaide average (236.8 c/L) | Perth average (238.4 c/L) | ||
|---|---|---|---|---|---|---|
| One way | Return | One way | Return | |||
| Economical small car / hybrid | 6.0 | 161.8 L | $383.19 | $766.38 | $385.78 | $771.56 |
| Typical car | 8.0 | 215.8 L | $510.92 | $1,021.84 | $514.37 | $1,028.74 |
| Large SUV / ute | 11.0 | 296.7 L | $702.51 | $1,405.03 | $707.26 | $1,414.52 |
| One way, 6–11 L/100 km | $383–$703 | $386–$707 | ||||
Frequently asked questions
- How much does it cost to drive from Adelaide to Perth?
- Between $383 and $703 in fuel one way at Adelaide's weekly average U91 for the week ending 18 October 2026 (236.8 c/L), depending on your car's consumption (6–11 L/100 km). A typical 8 L/100 km car uses about $510.92.
- How far is Adelaide to Perth by road?
- 2,697 km via the Eyre Hwy, around 31 h 30 min of driving without long stops.
Related trips
- Adelaide → Melbourne
- Bunbury → Perth
- Mandurah → Perth
- Kalgoorlie → Perth
- Adelaide fuel prices
- Perth fuel prices
- Australian Institute of Petroleum — weekly petrol prices report, week ending 18 October 2026verified
- OSRM open routing (road distance, computed at build)cross-checked
Fuel cost only — tolls, food and accommodation not included. Distance is the practical sealed-road driving route; drive time excludes long breaks. Prices along remote corridors run above city averages. AIP weekly averages for the week ending 18 October 2026.