Cheapest fuel prices, trends and insights across Australia
Cheapest Diesel Fuel Prices in Gladstone, SA Today
As of 6 July 2026, the cheapest Diesel around Gladstone, SA is 188.90 c/L at H T Harslett Rural. Average across 3 stations within 5km of Gladstone centre is 194.60 c/L – down 9.3 cents over the past two weeks.
Prices from South Australia Government, updated every 15 minutes.
Cheapest Diesel stations in Gladstone
Top 3 of 3 stations, sorted by price.
Fuel prices by type
3 fuel types available around Gladstone.
Frequently asked questions
Where is the cheapest Diesel in Gladstone?
The cheapest Diesel around Gladstone, SA is 188.90 cents per litre at H T Harslett Rural, 16 East Terrace.
When is the best day to buy fuel in Gladstone?
Based on the past 4 weeks, Wednesdays tend to have the cheapest Diesel prices around Gladstone, averaging 195.90 c/L. Sundays tend to be the most expensive at 198.90 c/L – a difference of 3.0 cents.
How many petrol stations are in Gladstone?
FuelTrack tracks prices at 3 stations selling Diesel around Gladstone, SA. The area has 3 fuel types available, including U91, Diesel, U98.
What petrol brands are in Gladstone?
There are 2 fuel brands around Gladstone including Independent, Ampol. Compare prices across all brands to find the cheapest fuel.
What's happening with Australia's fuel excise in 2026?
Fuel excise is the federal tax built into the price of every litre of petrol and diesel. It normally rises twice a year in line with inflation, and in early 2026 it sat at 52.6 cents a litre. When conflict in the Middle East pushed oil prices higher, the government brought in cost-of-living relief: from 1 April it roughly halved the excise, taking about 32 cents a litre off the bowser price. On 20 June that relief was extended into July but tapered to a 16 cent cut, lifting the excise to 36.6 cents, so pump prices rose at the start of July. The reduced rate runs until 2 August. From 3 August the full 52.6 cent excise returns, and because GST is charged on top of it, that's expected to add about 18 cents a litre at the pump, or roughly $9 on a 50-litre tank, unless retailers absorb part of the increase. A routine inflation adjustment in early August nudges the rate a little higher again.
Prices from South Australia Government. View all South Australia suburbs. Compare fuel prices across Australia.