South Australia Servos Offer Most Stable Fuel Prices in the Country Right Now
Right, so while everyone else is copping massive price swings this week, I reckon South Australia is quietly doing the right thing by motorists. Fair dinkum, if you live in Adelaide or regional SA, you're in one of the best spots in the country for predictable pricing right now.
Here's the thing, right. The data from 2nd December 2025 shows South Australia has the tightest price spread of any state in Australia. We're talking just 32 cents difference between the cheapest and most expensive diesel across 178 stations. Compare that to NSW where the spread is absolutely bonkers at over 800 cents, or Victoria with a 140 cent gap, and you can see why SA motorists should be pretty chuffed.
What's the Deal With SA Pricing?
The average diesel price across South Australia is sitting at 186.9 cents per litre today. That's the cheapest state average in the country, beating Victoria at 189.8 cents and Western Australia at 190.2 cents. When you factor in that Queensland motorists are paying a whopping 216 cents on average, you start to appreciate what SA has got going on.
Now, you'd be mad not to take advantage of this stability. Unlike Melbourne where I've seen suburbs like Sunbury and Reservoir jumping 20 plus cents overnight, Adelaide servos are keeping things pretty consistent. No need to obsessively check prices every arvo before filling up.
Where to Find the Best Deals
If you're out that way anyway, here are some suburbs worth keeping an eye on across the country for comparison:
Fairfield in NSW is showing diesel at 174.5 cents, which is solid value for Sydney's west. The spread there is only 4.4 cents between servos, so you know you're getting a fair deal no matter which one you pull into.
Over in Victoria, regional spots like Epsom near Bendigo have diesel from 169.1 cents, though the spread is wider at 25.8 cents so you need to shop around a bit more.
The Big Picture Across Australia
Looking at what happened over the last 24 hours, NSW diesel jumped 8.8 cents to average 193.3 cents. That's nearly a 5 percent increase in a single day, mate. Meanwhile, WA dropped 7 cents to 190.2 cents average.
South Australia only moved 1.7 cents, ending up at 186.9 cents. See what I mean about stability? While other states are bouncing around like a yoyo, SA is just cruising along.
A Word on Petrol for the Regular Punters
Now look, most of you aren't driving diesel, I get it. About 60 percent of us are running regular unleaded. The good news is the same stability story applies to SA petrol prices. When Melbourne northern suburbs are seeing 20 to 24 cent jumps on ULP and the fuel cycle is going absolutely mental, Adelaide tends to move more gradually.
Frankston in Melbourne dropped 13.8 cents on unleaded today while Reservoir jumped 24 cents. That's a 37 cent difference depending on which end of town you're in. In SA, you just don't see that kind of chaos.
What This Means for Your Hip Pocket
On a 60 litre tank, the difference between SA's stable pricing and getting caught on the wrong side of Melbourne's fuel cycle could be 10 to 15 bucks. That's a couple of coffees, or nearly half a carton if you're keeping score.
The lesson here? If you're road tripping through South Australia, fill up there. If you live there, count yourself lucky you're not dealing with the wild swings other states cop.
Worth Keeping an Eye On
The Northern Territory continues to have the biggest spreads in the country. We're talking 167.9 cents at the cheap end in places like Katherine but up to 399 cents in remote areas. That's a 231 cent spread. If you're planning an outback adventure, plan your fill ups carefully.
Tasmania has also been pretty stable lately with only a 28.4 cent spread across their 40 monitored stations.
Look, end of the day, a bit of planning means more cash in your pocket for the important stuff. If you can time your fill ups in SA or Tassie, you're probably dodging the worst of the volatility. Can't argue with that.