December fuel price increase: Here’s what you’re likely to pay for petrol and diesel from Wednesday
December fuel price increase: Here’s what you’re likely to pay for petrol and diesel from Wednesday, as South African motorists brace for a festive season hike that will see the cost of travel rise just as holiday plans kick into high gear. After a relatively stable year for fuel prices, South Africans will have to dig a little deeper in December, with petrol and diesel prices set to increase significantly across the board.
The impending adjustment, scheduled to take effect on Wednesday, 3 December 2025, marks a departure from the relief felt in November. While the year 2025 has been characterized by volatility, the year-end surge is driven by a complex mix of global factors that have left local consumers vulnerable.
Unleaded Petrol: A Moderate Bump
According to the latest month-end data from the Central Energy Fund (CEF), the outlook for petrol drivers is grim but manageable compared to diesel users. The data indicates that 95 Unleaded petrol is likely to increase by 25 cents per litre, while the inland-favored 93 Unleaded will go up by roughly 20 cents per litre.
While these figures are based on unaudited mid-month and month-end snapshots, they provide a strong indicator of the official announcement expected from the Department of Mineral and Petroleum Resources early this week.
What You Will Pay at the Pump
From next Wednesday, motorists can expect the following pricing structures:
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95 Unleaded (Coast): Approximately R20.54 per litre.
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95 Unleaded (Inland): Approximately R21.37 per litre.
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93 Unleaded (Inland): Approximately R21.17 per litre.
These figures suggest that filling a 50-litre tank with 95 Unleaded inland will cost roughly R12.50 more than it did in November. While not a bank-breaking sum for a single tank, the cumulative effect on household budgets during the high-spending December period is undeniable.
Diesel Drivers Hit Hardest
The real pain of the December fuel price increase will be felt by the logistics, agriculture, and diesel-vehicle sectors. Diesel is set for more significant hikes, with the wholesale price of 500ppm sulphur diesel predicted to increase by 64 cents per litre, and the cleaner 50ppm variant by a massive 81 cents per litre.
This drastic diesel price increase pushes the wholesale cost to alarming levels:
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50ppm Diesel (Coast): Rising to approximately R19.23 per litre.
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50ppm Diesel (Inland): Touching the psychological barrier of R19.99 per litre.
Why is Diesel increasing at a faster rate?
The disparity between petrol and diesel hikes is a source of frustration for many. The primary driver lies in the northern hemisphere. Diesel prices usually face upward pressure in the latter part of the year due to the colder weather in Europe and North America.
This seasonal shift drives up the demand for heating oil, which is derived from the same crude oil components as diesel fuel. As refineries prioritize heating oil to keep homes warm during the northern winter, the supply of automotive diesel tightens, driving up international product prices.
The Factors Behind the Hike
The December fuel price increases come as a result of higher international product prices and a fluctuating exchange rate.
1. International Oil Prices
Brent Crude oil prices remained relatively stable through November, but “stable” in this context still means expensive enough to trigger under-recoveries. Oil reached a high of $65 per barrel on November 11 before softening into the $62-63 range in the latter part of the month. The average for the previous review period was $64.14.
While not at the crisis levels seen in previous years, this baseline cost is sufficient to drive local prices up when combined with other factors.
2. The Rand/Dollar Exchange Rate
The local currency has played a hero’s role in mitigating what could have been a much worse petrol price hike. A slightly stronger rand has lent relief to the situation, lowering the potential price increase by around three cents per litre. While this saving is marginal, every cent counts when calculating South Africa fuel costs.
Year in Review: 2025 vs 2024
Despite the gloom of the December hike, a broader look at 2025 offers some perspective. South African fuel prices have remained relatively stable throughout 2025.
For instance, December’s projected petrol price of R20.54 for 95 Unleaded is still 26 cents cheaper than it was in January 2025. This indicates that, on average, motorists have paid slightly less for petrol this year than they started with.
However, the diesel story is different. The 50ppm variant is set to be around 55 cents more expensive than in January, reflecting the growing global demand for middle distillates and the vulnerability of the diesel market to geopolitical and seasonal shocks.
Economic Impact of the Hike
The ripple effects of a diesel price increase are far-reaching. Since the vast majority of goods in South Africa—from food to electronics—are transported by road, a hike in diesel costs inevitably bleeds into the price of consumer goods.
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Food Inflation: With farmers using diesel for machinery and retailers using it for logistics, the 81-cent hike could see a slight uptick in grocery prices in early 2026.
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Public Transport: Taxi and bus operators may face increased operating costs, although fare adjustments typically happen annually rather than monthly.
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Holiday Travel: For families planning long-distance trips to the coast, the petrol price hike adds hundreds of rands to the travel budget. A return trip from Johannesburg to Durban, for example, will cost noticeably more than it did during the Easter break.
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Conclusion: Plan Your Budget
As we await the final confirmation from the Central Energy Fund and the Department, motorists are advised to fill up their tanks on Tuesday, 2 December, to save a few rands before the new prices kick in at midnight.
Keep in mind that these predictions are based on unaudited data, and the final price adjustments for December could differ slightly. Expect these to be announced by the Department of Mineral and Petroleum Resources early next week.
Whether you drive a petrol runaround or a diesel bakkie, this December serves as a reminder that South Africa fuel costs remain at the mercy of global markets. Drive efficiently, plan your routes, and prepare your budget for a slightly more expensive end to the year.
Here are two references from South African mainstream media regarding the December fuel price increase:
1. BusinessTech
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Article: Bad news about petrol prices next week
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Link: https://businesstech.co.za/news/energy/844920/bad-news-about-petrol-prices-next-week/
2. EWN (Eyewitness News)
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Article: Fuel prices to increase on 3 December
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Link: https://www.ewn.co.za/2025/11/26/fuel-prices-to-increase-on-3-december
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