Cost to Drive from Bunbury to Perth
173 km via the Forrest Hwy · about 2 h 10 min driving · range spans 6–11 L/100 km at Perth's weekly average U91 (AIP publishes no Bunbury figure)
Fuel: Perth U91 avg, week ending 18 October 2026 · distance computed once from open routing- At Perth's average the one-way trip in a typical car costs $32.99, $0.06 more than a week earlier ($32.93 at 237.9 c/L in the week ending 11 October 2026).
- That is $9.86 more than in the week ending 12 July 2026, when Perth U91 averaged 167.1 c/L and the same drive cost $23.13.
- At 173 km this is the 12th longest of the 21 corridors RegoWise prices, so at any single price it ranks 12th dearest to drive.
The Forrest Highway carries traffic south from Perth towards Bunbury on a fast, modern route down the coast. It's a high-standard road for most of the drive and a popular corridor for both commuters and holidaymakers heading to the South West. The trip is comfortable in a single sitting, with fuel and services available along the way.
Bunbury → Perth fuel cost
Default price: Perth 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 | Perth average (238.4 c/L) | |
|---|---|---|---|---|
| One way | Return | |||
| Economical small car / hybrid | 6.0 | 10.4 L | $24.75 | $49.49 |
| Typical car | 8.0 | 13.8 L | $32.99 | $65.99 |
| Large SUV / ute | 11.0 | 19.0 L | $45.37 | $90.74 |
| One way, 6–11 L/100 km | $25–$45 | |||
| AIP's weekly report covers the 8 capital cities only. Bunbury is costed at Perth's average, the figure for that state's capital, not a local price. | ||||
Frequently asked questions
- How much does it cost to drive from Bunbury to Perth?
- Between $25 and $45 in fuel one way at Perth's weekly average U91 (AIP publishes no Bunbury figure) for the week ending 18 October 2026 (238.4 c/L), depending on your car's consumption (6–11 L/100 km). A typical 8 L/100 km car uses about $32.99.
- How far is Bunbury to Perth by road?
- 173 km via the Forrest Hwy, around 2 h 10 min of driving without long stops.
Related trips
- 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.