Mixed Fortunes at the Pumps: Petrol Drops while Diesel Increases for August 2026

South African motorists will experience a distinctly divided outcome at the pumps this month as official fuel price adjustments take effect on Wednesday, 5 August 2026. Announced by Minister of Mineral and Petroleum Resources Gwede Mantashe, the latest figures bring modest relief for drivers of petrol-powered vehicles, while commercial operators and transport sectors relying on diesel face a sharp increase driven by international supply constraints.

August 2026 Price Breakdown

The official changes reflect significant divergence across product categories:

• Petrol 93 (ULP & LRP):Decreases by 52.00 c/l

• Petrol 95 (ULP & LRP):Decreases by 52.00 c/l

• Diesel 0.05% Sulphur:Increases by 138.44 c/l (R1.38/l)

• Diesel 0.005% Sulphur:Increases by 123.44 c/l (R1.23/l)

• Illuminating Paraffin (Wholesale):Increases by 152.00 c/l

• LPGas (Retail Price):Decreases by 441.00 c/kg

Following these adjustments, the inland price of 95 Unleaded Petrol drops to R25.58 per litre, down from R26.10. Meanwhile, wholesale 0.05% diesel climbs to R26.16 per litre.

Key Drivers Behind the Adjustments

The Department of Mineral and Petroleum Resources outlined four core international and domestic factors influencing August’s numbers:

1. Lower Brent Crude Oil Prices

The average Brent Crude oil price declined from $86.53 to $82.37 per barrel during the review period. Brief price spikes toward the $100 mark triggered by geopolitical tension in the Middle East were offset by reduced global demand and earlier ceasefire developments between the US and Iran.

2. Global Supply Bottlenecks in Refined Products

While crude prices softened, refined petroleum product markets experienced severe splits. Lower international petrol product prices contributed a 6.08 c/l drop to petrol’s Basic Fuel Price (BFP). Conversely, diesel and illuminating paraffin faced steep BFP increases of 182.62 c/l and 143.32 c/l respectively. These hikes stemmed from Russian export restrictions on middle distillates and Middle Eastern refineries operating below full capacity.

3. Slight Currency Depreciation

The Rand weakened modestly against the US Dollar during the period, moving from R16.34 to R16.46/$. This added between 6.37 c/l and 8.14 c/l to fuel costs across all categories.

4. Relief from the Slate Levy

The cumulative slate deficit stood at R7.418 billion at the end of June 2026. Under the Self-Adjusting Slate Levy Mechanism, the levy charged on petrol and diesel has been reduced from 113.94 c/l down to 61.38 c/l. This 52.56 c/l reduction played a central role in delivering the net drop for petrol and cushioning the rise for diesel.

Global Energy Market Volatility Drives Mixed Outlook for Consumer and Commercial Budgets

The divergent adjustments highlight the continuing volatility of global energy markets, where product-specific shortages can override broader trends in crude oil pricing. While everyday commuters using petrol will benefit from lower fill-up costs throughout August, the heavy increase in diesel and paraffin prices threatens to add upward pressure to commercial transport budgets and household living expenses in the weeks ahead.

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