Official figures — October 2026. These are the confirmed prices published by the Department of Mineral and Petroleum Resources (DMPR), effective Wednesday, 7 October 2026. Petrol 93 rose 312 c/l, petrol 95 rose 333 c/l, diesel 500ppm rose 284 c/l, diesel 50ppm rose 324 c/l and illuminating paraffin rose 358 c/l. The previous official prices took effect on 2 September 2026.
The biggest monthly increase in the wholesale price of diesel 500ppm since January 2012 was R7.37 per litre, on 1 April 2026. The October 2026 increase of R2.84 ranks fourth.
Biggest Diesel Price Increase South Africa overview
Rankings are based on the change from one official monthly price to the next for the Gauteng inland zone. Diesel figures are wholesale prices.
The ten biggest monthly increases
| Rank | Effective date | Increase per litre | New price |
| 1 | 1 April 2026 | R7.37 | R25.91 |
| 2 | 6 May 2026 | R5.27 | R31.18 |
| 3 | 2 September 2026 | R2.94 | R29.11 |
| 4 | 7 October 2026 | R2.84 | R31.95 |
| 5 | 6 September 2023 | R2.84 | R23.05 |
| 6 | 6 July 2022 | R2.31 | R25.40 |
| 7 | 4 October 2023 | R1.97 | R25.02 |
| 8 | 1 July 2020 | R1.73 | R13.04 |
| 9 | 6 April 2022 | R1.53 | R21.01 |
| 10 | 3 November 2021 | R1.48 | R17.20 |
4 of the ten largest increases happened in 2026 and 2 in 2022.
The five biggest monthly decreases
| Rank | Effective date | Decrease per litre | New price |
| 1 | 3 June 2026 | R3.25 | R27.93 |
| 2 | 1 July 2026 | R3.14 | R24.79 |
| 3 | 4 January 2023 | R2.69 | R21.23 |
| 4 | 6 December 2023 | R2.35 | R21.81 |
| 5 | 6 May 2020 | R1.61 | R11.09 |
What a record increase costs
An increase of R7.37 per litre adds R368.50 to a 50-litre fill. Work out the effect on your own budget with the fuel price increase calculator.
Historical coverage and update frequency
Source and coverage: Prices are the official monthly figures published for the Department of Mineral and Petroleum Resources, as tabulated by the Fuels Industry Association of South Africa. This page covers January 2012 to October 2026. Petrol figures are regulated pump prices; diesel and paraffin figures are wholesale prices, so pump prices for diesel vary by station.
Related history and forecast pages
- Diesel price South Africa
- Diesel price history South Africa
- Diesel cost calculator
- Fleet diesel cost calculator
- Diesel price inland vs coastal
- Fuel price updates archive
Frequently asked questions
What was the biggest increase?
R7.37 per litre on 1 April 2026.
What was the biggest decrease?
R3.25 per litre on 3 June 2026.
Where do these figures come from?
From the official monthly price announcements made for the Department of Mineral and Petroleum Resources, as tabulated by the Fuels Industry Association of South Africa. This page covers January 2012 onwards.