By JD GLOBAL MEDIA
South African motorists are heading towards another potentially significant fuel-price increase in October, with the latest market calculations showing that petrol and diesel remain deeply under-recovered as the month-long pricing cycle approaches its final stage.
The latest available fuel-price data show an under-recovery of R3.01 per litre for Petrol 95 and R2.82 per litre for Petrol 93. Diesel is also showing substantial under-recoveries, with the latest figures indicating R3.08 per litre for 0.005% sulphur diesel and R2.68 per litre for 0.05% sulphur diesel. These figures are not the final October prices, but they indicate the size of the adjustment that would be required if the underlying market conditions remained unchanged through the end of the review period.
The Department of Mineral and Petroleum Resources is expected to announce the final October fuel-price adjustments after the monthly review is completed. The new prices are scheduled to take effect on Wednesday, 7 October 2026.
The latest developments have placed fuel costs among the major economic concerns facing South African households and businesses as the country enters October.
The latest numbers
The most recent daily calculations indicate that Petrol 95 is currently carrying the largest petrol under-recovery at R3.01 per litre, while Petrol 93 is showing an under-recovery of R2.82.
The diesel position is similarly elevated. The latest calculation puts the under-recovery for 0.005% sulphur diesel at R3.08 per litre, compared with R2.68 for 0.05% sulphur diesel.
Illuminating paraffin is also showing an under-recovery, currently estimated at R3.27 per litre in the latest snapshot.
An under-recovery does not automatically mean that the exact amount will be added to the pump price.
South Africa's monthly fuel-price mechanism incorporates several components, including international petroleum prices, the rand exchange rate and domestic adjustments. The daily figures therefore provide an indication of the direction of prices during the review period rather than a final government announcement.
This distinction is particularly important at the end of a volatile month because international oil prices and currency movements can change before the final calculation is completed.
Why October has become so uncertain
The main pressure has come from international oil prices.
Crude oil prices have remained elevated amid continuing instability in the Middle East. The price of Brent crude moved above the $100-a-barrel level for much of September, creating a substantially more expensive international environment for petroleum products.
There have been periods when oil prices moved lower, including a decline reported earlier in the week as markets responded to indications of possible diplomatic engagement involving the United States and Iran and signs of improving oil flows from Saudi Arabia. However, the decline has not yet been sufficient to eliminate the large South African fuel-price under-recoveries.
The problem for South African motorists is that the local price does not respond instantly to every movement in the international oil market.
The monthly pricing system considers movements during the review period. Consequently, a fall in crude prices near the end of the month can improve the final calculation without necessarily removing the effects of the higher prices recorded earlier.
That is why motorists can see the projected increase remain high even when international oil prices have temporarily moved lower.
The rand is also part of the calculation
The exchange rate is another major factor.
South Africa imports much of the petroleum products used domestically, making the value of the rand against the US dollar important to the local cost of fuel.
A stronger rand can reduce the local-currency cost of imported petroleum products, while a weaker rand can increase it.
The latest fuel-price data indicate that the rand has remained relatively resilient compared with some earlier periods but has weakened from its stronger levels during the month. The latest calculations show that the currency is still making a positive contribution to the fuel-price recovery, but that contribution has become smaller.
This means that the exchange rate has not been strong enough to offset the pressure coming from international oil prices.
For October, the combination of elevated crude prices and the rand's recent movement has therefore left the fuel-price calculation substantially negative.
Petrol could approach R30 a litre
If the latest under-recoveries were translated directly into pump-price increases, petrol prices would move much closer to the R30-per-litre level.
The current calculation has already pushed the projected inland Petrol 95 price to within a few cents of R30 under the assumptions used in the latest market estimate. The exact final figure will depend on movements during the remaining part of the review period as well as government adjustments that are incorporated into the final price.
The possibility of petrol approaching R30 is significant because South Africa has already experienced unusually sharp movements in fuel prices during 2026.
The current September inland Petrol 95 price is listed at R26.92 in the latest comparison of monthly prices, while the projected October level based on current market conditions is around R29.93.
That comparison illustrates how quickly fuel costs have moved during the year.
It also shows why motorists should distinguish between a projection and an official price. The projected October figure is not the amount consumers have yet been told they will pay from 7 October.
Diesel faces its own pressure
Diesel users are facing a separate challenge.
The latest under-recovery for 0.005% sulphur diesel is R3.08 per litre, while 0.05% sulphur diesel is showing an under-recovery of R2.68.
Diesel prices are particularly important to the wider economy because diesel is extensively used in freight transport, agriculture, construction, mining, logistics and commercial vehicles.
A significant diesel increase can therefore affect businesses even when they do not operate large fleets themselves.
Goods transported by road can become more expensive to move when fuel costs rise. Agricultural producers may face higher costs for tractors, harvesting equipment and transportation. Construction companies can face increased operating expenses for machinery and vehicles.
The effect does not necessarily appear immediately as a separate fuel charge on consumers.
Instead, some businesses may eventually incorporate higher transport and operating expenses into their prices.
The effect on household budgets
For motorists, the most direct impact will be the cost of filling a vehicle.
A driver who normally buys 50 litres of petrol would spend substantially more if the final October increase were close to the current projected level.
For example, an additional R3 per litre would represent roughly R150 more for 50 litres compared with the previous price, before accounting for the difference between the projected and final adjustment.
The actual increase may be lower or higher because the current R3-per-litre figures are not final.
For households that refuel more than once a month, the cumulative effect can become significant.
People who travel long distances to work or operate vehicles for business purposes can be particularly exposed because they purchase larger quantities of fuel.
Public transport users can also be affected indirectly if operators experience higher fuel costs.
Transport costs can spread through the economy
Fuel is not simply a motoring expense.
It is an input into many parts of the economy.
Trucks require diesel to move goods between ports, warehouses, factories, farms, retailers and consumers. Businesses use vehicles to deliver products and provide services. Farmers depend on diesel-powered machinery and transport. Mining operations use substantial quantities of fuel for heavy equipment and logistics.
When fuel becomes more expensive, the additional cost can move through these supply chains.
The extent to which businesses pass those costs on to consumers varies. Some companies may absorb part of the increase, while others may adjust prices or reduce other expenses.
The impact also depends on how long the higher fuel prices persist.
A short-lived spike may have a different effect from a prolonged period of elevated oil prices.
Inflation is another concern
The fuel-price outlook comes as the South African Reserve Bank is already dealing with an inflation environment affected by higher energy costs.
The Monetary Policy Committee increased the policy rate by 25 basis points to 7.25% effective 25 September. Governor Lesetja Kganyago said the inflation outlook faced upside risks and specifically identified renewed fuel-price pressures as part of the difficult environment confronting monetary policy.
The Reserve Bank expects inflation to remain elevated through 2027, with fuel and services inflation identified among the factors contributing to the outlook.
The central bank has also reduced its 2026 economic growth projection from 1.4% to 1.2%, while noting that the economy contracted in the second quarter and is expected to rebound during the second half of the year.
This creates a difficult combination for households and businesses.
Higher fuel costs can place upward pressure on prices while simultaneously reducing the amount of money consumers have available for other spending.
Why the interest-rate decision matters
The Reserve Bank's decision to raise the repo rate adds another economic consideration for households.
The policy rate affects borrowing conditions throughout the economy. Changes can influence the cost of certain loans, including variable-rate household and business borrowing.
At the same time, the central bank is trying to prevent temporary price shocks from becoming embedded in broader inflation expectations.
Kganyago said the MPC was adopting a more restrictive monetary policy approach because large and sustained supply shocks could produce second-round effects, where individual price increases become broader and more persistent.
Fuel therefore sits at the intersection of several economic pressures: transport costs, household spending, inflation and monetary policy.
Food prices may also be affected differently
Not every part of the inflation picture is moving in the same direction.
According to the Reserve Bank's latest assessment, food inflation is at its lowest level since 2010, which the bank attributed to strong harvests and more stable meat prices following the foot-and-mouth outbreak.
That provides some offset to the pressure coming from fuel and services.
However, lower food inflation does not eliminate the effect of higher transport and energy costs.
Food moves through extensive supply chains before reaching consumers, meaning fuel costs can still influence production, storage and distribution expenses even when underlying agricultural prices are relatively stable.
The overall effect therefore depends on the interaction between several components of the economy rather than fuel prices alone.
Government intervention remains uncertain
The government has previously used temporary fuel-tax measures to cushion motorists during periods of exceptional international price pressure.
However, the current October outlook does not yet include a confirmed new intervention of that kind.
The latest market reporting indicates that the possibility of additional tax relief remains uncertain and that the final pump-price calculation will depend on the remaining market movements and any government decisions incorporated into the official announcement.
This means motorists should not treat any potential tax intervention as a confirmed reduction.
The official October prices will only be known once the Department of Mineral and Petroleum Resources publishes the final adjustment.
The final week could still change the picture
Although the current numbers are severe, the final outcome is not yet fixed.
The review period still has time remaining, and international oil prices can move substantially over short periods.
A sustained decline in crude prices would reduce the under-recovery.
A further increase could push the projected adjustment higher.
The rand could also strengthen or weaken against the dollar, changing the local cost of imported petroleum products.
This uncertainty is why the daily CEF figures should be understood as a moving indicator.
The latest data are important because they show where the calculation currently stands, but they do not constitute the final retail price.
What motorists should expect next
The next major milestone will be the government's official announcement of the October fuel-price adjustment.
The new prices are scheduled to take effect on 7 October.
Until that announcement, motorists should treat projections as estimates rather than confirmed prices.
The latest figures nevertheless provide a clear indication that October is likely to bring substantial pressure at the pumps unless international oil prices fall significantly or other components of the calculation improve before the end of the review period.
For households, businesses and transport operators, the uncertainty makes fuel budgeting more difficult.
A petrol price approaching R30 per litre would represent a major change from the prices motorists were paying at the beginning of the year, while the diesel outlook could also place pressure on sectors that rely heavily on road transport and fuel-powered machinery.
South Africa is therefore approaching October with fuel prices closely tied to developments well beyond its borders.
International oil markets, geopolitical developments, the rand-dollar exchange rate and domestic pricing decisions will all influence the final outcome.
For now, the latest data point to a substantial increase rather than a confirmed final price.
The decisive figure will come with the official October adjustment, but the direction of the market is already clear: South African motorists and businesses are entering the final days of the September review period under significant fuel-price pressure.
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