Diesel prices fell sharply in July 2026. The wholesale reference for 0.005% sulphur (50ppm) diesel dropped by 359 c/l to R25.67 per litre inland and R24.41 at the coast, while 0.05% sulphur (500ppm) diesel fell 314 c/l to R24.78 inland and R23.91 coastal. The adjustment took effect on Wednesday, 1 July 2026.
Diesel Price July 2026: official change
50ppm diesel adjustment
Diesel 0.005% sulphur (50ppm) decreased by 359 c/l, bringing the inland wholesale reference to R25.67 per litre and the coastal reference to R24.41 per litre.
500ppm diesel adjustment
Diesel 0.05% sulphur (500ppm) decreased by 314 c/l, bringing the inland wholesale reference to R24.78 per litre and the coastal reference to R23.91 per litre.
Effective date and official status
The adjustment came into operation on Wednesday, 1 July 2026, confirmed by the Department of Mineral and Petroleum Resources (DMPR). These are the final official figures for that cycle.
July 2026 diesel price table
| Diesel Grade & Zone | June Price | July Price | Monthly Change |
| 50ppm (0.005%) Inland | R29.26 | R25.67 | -359 c/l |
| 50ppm (0.005%) Coastal | R28.00 | R24.41 | -359 c/l |
| 500ppm (0.05%) Inland | R27.92 | R24.78 | -314 c/l |
| 500ppm (0.05%) Coastal | R27.05 | R23.91 | -314 c/l |
Why retail diesel prices differed
Diesel has no regulated retail ceiling in South Africa. The figures above are official wholesale baselines, and each service station adds its own margin, so pump prices varied between outlets even within the same pricing zone.
What drove the July 2026 diesel decrease
A collapse in international product prices
The principal driver was a steep fall in the international oil price. Average Brent crude dropped from about US$104.59 to US$86.53 per barrel over the review period as global supply forecasts improved, pulling refined product prices down with it.
A stronger rand
The rand strengthened against the US dollar, moving from an average of about R16.52 to R16.38 per dollar. Because South Africa imports refined product priced in dollars, that appreciation reduced the landed cost of diesel.
A large slate levy reduction
The self-adjusting slate levy was scaled back from 157.74 c/l to 113.94 c/l, returning a further 43.80 c/l to consumers.
The General Fuel Levy returned in full
July 2026 was also the cycle in which National Treasury completed the phase-out of temporary fuel levy relief, restoring the General Fuel Levy to 416.00 c/l on diesel and 429.00 c/l on petrol. The decrease above was achieved despite that increase, not because of it.
What the decrease meant for motorists and fleets
- 50-litre fill: about R179.50 less on 50ppm, or R157.00 less on 500ppm
- 100-litre fill: about R359.00 less on 50ppm, or R314.00 less on 500ppm
- 10,000 litres per month: roughly R35,900 saved on 50ppm, or R31,400 on 500ppm
Inland versus coastal diesel in July 2026
Inland diesel carried its usual differential over coastal prices, reflecting the cost of moving product from the ports into the interior by pipeline and rail. Coastal zones such as Cape Town, Durban and Gqeberha paid the lower rate because they carry no primary inland transport addition.
How July compared with the months around it
July 2026 delivered the largest diesel decrease of the mid-year period. It was followed in August by a reversal, when diesel rose while petrol fell, and then by a much steeper increase in September driven by a global squeeze on refining capacity.
| Diesel Grade & Zone | 500ppm change | 50ppm change |
| July 2026 | -314 c/l | -359 c/l |
| August 2026 | +138 c/l | +123 c/l |
| September 2026 | +271 c/l | +292 c/l |
See diesel price August 2026 and diesel price September 2026, or browse the full fuel price updates archive.
Methodology and source note
- Official Adjustment: Confirmed decrease
- Effective Date: 1 July 2026
- Data Source: Department of Mineral and Petroleum Resources (DMPR) official release
- Note: Diesel figures are wholesale baselines, not regulated pump prices
Frequently asked questions
Did diesel go up or down in July 2026?
Down. Diesel 50ppm fell 359 c/l and 500ppm fell 314 c/l, effective 1 July 2026.
What was the 50ppm diesel price in July 2026?
R25.67 per litre inland and R24.41 per litre at the coast, as a wholesale reference.
What was the 500ppm diesel price in July 2026?
R24.78 per litre inland and R23.91 per litre at the coast, as a wholesale reference.
Why did diesel fall when the fuel levy went up?
The fall in international product prices, a stronger rand and a large slate levy reduction together outweighed the reinstatement of the full General Fuel Levy, producing a net decrease at the pumps.