
South African drivers are facing increased financial pressure after the National Treasury announced a hike in fuel taxes this week. This announcement comes at a time when gains in fuel price recoveries are gradually being eroded. The dual burden of higher taxes and weaker savings is likely to squeeze household budgets further, especially for lower-income motorists already dealing with transport costs that consume a large portion of monthly earnings. The additional tax burden, coupled with diminishing fuel over-recoveries, has created a challenging situation for motorists across the country.
Key Takeaways
- Fuel Tax Hikes to Hit Motorists in June: South African motorists face increases of 15 cents per litre for diesel and 16 cents per litre for petrol from 4 June, due to changes in the general fuel levy announced by National Treasury.
- Petrol Prices at Risk of Rising: Although fuel prices were expected to drop in June, shrinking over-recoveries and added levies mean that petrol could see a marginal increase if the rand weakens or oil prices rise.
- Rand Strength Shields Against Higher Prices: A stronger rand has been key in maintaining fuel price over-recoveries, helping offset oil market volatility and tax increases, but this support could waver with political or economic instability.
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Fuel Price Relief Slows as Over-Recoveries Shrink
Although there is still a projection of lower fuel prices for June, recent figures from the Central Energy Fund (CEF) indicate that the margin of over-recovery for both petrol and diesel is narrowing. These over-recoveries, which are essentially the difference between what consumers currently pay and what they would be paying based on real-time international oil prices and exchange rates, are shrinking fast. These reductions in over-recovery suggest that any future cuts to pump prices may be less significant than previously expected.

Impending Fuel Levy Hikes Set for Early June
Motorists will soon need to contend with new tax increases, as a 15 cents per litre rise in the general fuel levy for diesel and a 16 cents per litre increase for petrol are scheduled to take effect with the next official price adjustment on 4 June. These tax hikes will have a direct impact on fuel costs and may offset any reductions from lower international oil prices. This will affect not only private motorists but also businesses reliant on fuel, such as transport operators, logistics companies, and small traders, potentially triggering knock-on inflationary effects.
Potential for Petrol Price Increase in June
Despite current forecasts still showing a slight decline in fuel costs, petrol prices could potentially see a marginal increase in June. This scenario becomes more likely if the rand experiences further weakening or if global oil prices rise unexpectedly in the coming days. Any such shifts would place upward pressure on local pump prices. Analysts warn that even a small upward tick in oil prices, combined with tax increases, could wipe out any relief at the pump, leaving consumers frustrated.
Fuel Over-Recoveries at Risk of Reversal
By the end of the third week of May, petrol had an over-recovery of 19 cents per litre, while diesel was showing a more robust 48 cents per litre over-recovery. However, once the impact of the fuel tax increases is accounted for, 15 cents for diesel and 16 cents for petrol, the effective net benefit would reduce to just 3 cents per litre for petrol and 33 cents per litre for diesel. This calculation highlights just how fragile the current fuel price position is, particularly for petrol, which is teetering close to a reversal into an increase. Petrol price movements are now resting on a knife’s edge, leaving consumers vulnerable to the slightest market volatility.
Projected Price Adjustments Based on Current Data
According to the most recent data from the CEF, the following pump price movements were projected:
Fuel Type | Projected Price Adjustment |
---|---|
Petrol 93 | -20 cents per litre |
Petrol 95 | -19 cents per litre |
Diesel 0.05% (wholesale) | -48 cents per litre |
Diesel 0.005% (wholesale) | -49 cents per litre |
Illuminating Paraffin | -52 cents per litre |
After accounting for the impending general fuel levy increases, the revised forecast would result in smaller decreases:
Fuel Type | Updated Projected Price Adjustment |
---|---|
Petrol 93 | -4 cents per litre |
Petrol 95 | -3 cents per litre |
Diesel 0.05% (wholesale) | -33 cents per litre |
Diesel 0.005% (wholesale) | -34 cents per litre |
The sharp contrast between the original projections and the adjusted figures underscores the dampening effect of fuel levies on potential savings for consumers.

Carbon Fuel Tax Already Applied in April
Although the most recent national budget included a 3 cents per litre increase in the carbon fuel tax, this particular tax hike has already been applied during the April pricing cycle and therefore does not contribute to the expected June price shift. Even so, the compounding effect of this and the upcoming levies places a growing strain on motorists’ wallets.
Global Oil Market Stability Still in Question
The recent downward trend in fuel price recoveries aligns with fluctuations in the international oil market. Crude oil prices rose slightly following an easing in global market tensions in May. However, prices had initially plummeted in April due to a trade tariff confrontation initiated by the Trump administration in the United States, which spurred fears of a significant slowdown in global industrial activity. This geopolitical tug-of-war continues to send mixed signals to oil markets, creating uncertainty for fuel-importing countries like South Africa.
Oil Prices Recover, but Outlook Remains Uncertain
Although global economic growth remains sluggish, some level of stability has returned to the oil markets. This stabilisation has nudged oil prices higher, but they continue to trade under pressure. Bloomberg’s market analysis reports that oil is currently priced around $64 per barrel, a modest recovery from earlier in the month. Despite this improvement, crude oil remains 14% down for the year and recently hit its lowest level since 2021. The decline is attributed to the faster-than-expected loosening of supply restrictions by OPEC+, coinciding with weakened demand caused by geopolitical uncertainty and trade tensions. This imbalance between supply and demand has become a persistent theme in energy markets, influencing everything from fuel prices to inflation forecasts.
Rising US Oil Inventories Fuel Oversupply Concerns
Adding to downward pressure on prices, recent data shows another increase in the volume of commercial oil stockpiles in the United States. This trend has raised fresh concerns over a potential global surplus, which could limit any significant rebound in oil prices and, by extension, influence local fuel prices in South Africa. Traders are increasingly cautious, aware that oversupply conditions can rapidly destabilise price recovery efforts.
Oil Price Volatility Hurts Petrol Over-Recovery
Oil market volatility has already played a role in diminishing local petrol price recoveries. Based on recent pricing models, swings in international oil benchmarks have resulted in a petrol under-recovery of approximately 16 cents per litre. This under-recovery has the potential to reverse the modest projected decrease in petrol prices. A slight market correction could quickly shift this under-recovery into a full-scale increase at the pumps.
Diesel Still Holds a Slight Advantage
Despite the challenges facing petrol prices, diesel remains in a slightly stronger position. The net over-recovery for diesel stands at around 12 cents per litre, offering some buffer against the new fuel tax increases. However, this buffer is thinning, and further deterioration could close the gap altogether.

Rand Strength Helps Stabilise Fuel Prices
Amid international uncertainty, the South African rand has shown resilience and has contributed positively to local fuel pricing. The exchange rate, currently providing a 35 cents per litre over-recovery for both petrol and diesel, has been a critical factor in offsetting rising costs. The rand’s strength has been supported by improved domestic political stability and reduced volatility in global markets. Currency performance has become a make-or-break component in shielding local fuel consumers from global price spikes.
Government Stability and Policy Expectations Support Rand
The rand fell below the R18.00 mark against the US dollar in May, driven by a renewed sense of stability in South Africa’s governance. The Government of National Unity (GNU) has maintained cohesion around the national budget, and there has been speculation about the possibility of reducing the country’s inflation target. These developments have buoyed investor confidence and strengthened the currency. Policy consistency and clarity have proven essential in maintaining rand strength amid international headwinds.
Minor Weakening Follows Budget and Diplomatic Tensions
Nevertheless, the currency experienced a slight weakening following the tabling of the national budget and diplomatic tensions involving President Cyril Ramaphosa and US President Donald Trump on 21 May. According to some economic analysts, this softening of the rand reflects mild concern among international investors regarding South Africa’s economic direction. Such jitters highlight the delicate balance South Africa must maintain between domestic priorities and international diplomacy.
Conclusion
South African fuel prices remain delicately balanced, with the upcoming tax increases placing renewed pressure on motorists just as over-recoveries begin to fade. While diesel may still see a notable drop, petrol prices are hanging by a thread, vulnerable to currency fluctuations and global oil trends. With the tax burden rising and the margin for relief narrowing, any instability, domestic or international, could quickly shift June’s fuel forecast from mild relief to another cost burden for consumers.
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