Types of Petrol in South Africa: A Fleet Manager’s Guide to Choosing the Right Fuel

With petrol 95 exceeding R30 per litre inland in 2026, every litre that goes into a company vehicle has a direct impact on operating costs. Yet many fleets still refuel out of habit rather than according to vehicle specifications, drivers choose whichever pump is convenient, managers assume that premium fuel is always better, and nobody checks whether the vehicle actually needs it.

Understanding the types of petrol available in South Africa is the first step towards smarter fuel management. This guide explains the petrol grades available locally, what octane ratings mean, how diesel specifications differ, what the regulations say, and how fleet managers can choose the right fuel for their vehicles.

How many types of petrol are there in South Africa?

If you’re asking how many types of petrol in South Africa a motorist can actually buy, the short answer is two octane ratings – 93 and 95 – each available in two forms. Under the Regulations regarding Petroleum Products Specifications and Standards, issued in terms of the Petroleum Products Act 120 of 1977, only the following grades may be sold to end consumers:

• Unleaded petrol (ULP) 93: metal-free petrol with a minimum Research Octane Number (RON) of 93.
• Unleaded petrol (ULP) 95: metal-free petrol with a minimum RON of 95.
• Lead Replacement Petrol (LRP) 93: metal-containing unleaded petrol with a minimum RON of 93.
• Lead Replacement Petrol (LRP) 95: metal-containing unleaded petrol with a minimum RON of 95.

In practical terms, fleet managers will generally be choosing between ULP 93 and ULP 95 for ordinary petrol-powered vehicles. LRP and petrol above 95 RON should only be considered where the vehicle’s requirements justify its use.

What do UPL 93 and ULP 95 actually mean?

The number displayed on the pump represents the fuel’s Research Octane Number (RON). It measures resistance to engine knock, which occurs when fuel-air combustion becomes uncontrolled rather than following the intended ignition process.

A higher octane rating means greater resistance to knocking, but it does not automatically mean more energy per litre, better fuel economy or more power in every engine. A vehicle designed for 93 RON will not necessarily perform better on 95 RON. Conversely, an engine designed to require 95 RON may lose performance or efficiency if it runs on a lower-octane fuel.

Why altitude matters in South Africa

Altitude helps explain why inland and coastal forecourts have traditionally sold different petrol grades.

On the Highveld, including Johannesburg, the air is thinner, so less air enters a naturally aspirated engine. This lowers the risk of knocking. At the coast, denser air raises that risk. That’s why 93 RON is common inland, while 95 RON is typical at the coast.

Altitude is no substitute for the manufacturer’s fuel specification, though. Turbocharging, engine management and compression ratio all affect how much octane an engine needs. Availability also varies from one filling station to the next.

If your vehicles travel between Johannesburg and Durban, set a refuelling policy based on each vehicle’s requirements and the grades available on its routes. Don’t assume a vehicle can switch between 93 and 95 just because it has moved inland or to the coast.

Unleaded petrol vs Lead Replacement Petrol

South Africa phased out leaded petrol for road vehicles in 2006. Lead Replacement Petrol (LRP) remained as an option for some older engines that were designed for leaded fuel and may need extra valve-seat protection.

LRP isn’t ordinary unleaded petrol, as it contains permitted metal-based additives that protect compatible older engines. These additives can clash with some catalytic converters and emissions systems, depending on the vehicle.

Diesel grades: 500 ppm, 50 ppm and 10 ppm

Most commercial fleets run on diesel, so it’s worth covering the two grades sold locally. They are distinguished by sulphur content:

• 500 ppm: standard-grade diesel.
• 50 ppm: low-sulphur diesel.
• 10 ppm: ultra-low-sulphur diesel, available from certain suppliers and especially relevant to modern emissions technology.

These figures describe sulphur limits, not energy content or overall quality and their availability varies by supplier and location.

Sulphur matters because many modern diesels use diesel particulate filters (DPFs), selective catalytic reduction (SCR) and other after-treatment systems that can be affected by fuel quality.

Fleets should follow each manufacturer’s requirements and buy from reliable suppliers. If a vehicle needs 10 ppm, make sure that grade is consistently available on its routes. Not every diesel vehicle has the same requirement.

Clean Fuels 2: what’s changing in 2027?

Clean Fuels 2 (CF2) will bring South Africa’s fuel specifications closer to stricter international standards. Key changes include:

• a 10 ppm sulphur limit for both petrol and diesel;
• tighter limits on benzene and aromatics in petrol.

After several delays, the target date is 1 July 2027. Check the latest official notices before treating that date as final.

CF2 requires major investment from refiners and is intended to support vehicles with more advanced emissions technology. For fleets, three actions stand out:

1. Review the fuel specifications of vehicles due for replacement.
2. Confirm supply arrangements for vehicles with specific emissions-system requirements.
3. Follow official announcements and manufacturer guidance as the deadline approaches.

Until then, the vehicle specification remains the reference point. A newer vehicle is not automatically compatible with every fuel currently sold.

What is the best fuel in South Africa?

There’s no single best fuel. The right choice meets the manufacturer’s requirements, suits the operating environment and delivers the best overall cost and reliability.

1. Check the owner’s manual or fuel-flap sticker: if 93 RON is approved, 95 usually adds cost without a meaningful benefit.
2. Respect a 95 RON requirement: on turbocharged or high-compression engines, 93 can make the engine retard ignition timing, reducing performance and efficiency.
3. Plan routes around fuel availability: for vehicles working across regions, identify approved refuelling stops in advance (see Why altitude matters above).
4. Match diesel to the emissions system: check sulphur and any biodiesel requirements, especially for vehicles with DPF and SCR.
5. Use LRP only where required: it is not a premium upgrade for modern vehicles.
6. Use reputable suppliers: this reduces the risk of adulterated fuel and keeps consumption data comparable.

The cost of getting fuel choice wrong

Choosing the wrong fuel costs money in two directions. The first is overspending: filling a 93-rated vehicle with 95 adds cost without any real benefit. In October 2026, for example, inland 95 cost R30.25 per litre against R29.88 for 93, according to the Department of Mineral and Petroleum Resources (DMPR). The gap looks small, but across a fleet it is paid on every litre, by every vehicle, every month. 

The opposite mistake can cost even more: fuel below the required octane can reduce efficiency, and unsuitable diesel can damage emissions equipment and drive up maintenance costs. That’s why fuel spend should always be assessed alongside consumption and vehicle health.

Petrol prices are regulated and set monthly, while retail diesel prices are deregulated and can vary even within the same area. Use the official DMPR schedules for petrol and your suppliers’ prices for diesel.

How fleet managers can take control of fuel

Understanding fuel grades is only the starting point. Fleet managers also need to enforce the right choices and measure the results. A connected fuel-management approach combines vehicle data, driver behaviour and fuel-card transactions to help establish what each vehicle consumes and whether that consumption is reasonable:

• Fuel Monitoring: compare fuel-card transactions with vehicle location, odometer readings and available tank-level data; investigate purchases inconsistent with the vehicle’s approved fuel grade, location or expected fuel volume.
• Track consumption per vehicle: use fuel-consumption reporting to identify unexpected changes that may indicate maintenance problems, under-inflated tyres, overloading or inefficient driving.
• Coach drivers: harsh acceleration, speeding and excessive idling can undermine fuel savings; driver feedback and performance monitoring can encourage more economical habits.
• Plan smarter routes: reducing unnecessary kilometres, congestion and idle time can lower consumption regardless of fuel grade.
• Set a clear fuel policy: Record the approved grade for every vehicle, communicate the policy to drivers and establish procedures for refuelling in different regions.
• Review exceptions regularly: Analyse unusual transactions and changes in consumption to identify avoidable expenditure before it becomes a recurring problem.

Technology can support these processes, but it works best when combined with accurate vehicle specifications, consistent data and clear accountability.

Smarter fuel choices start with the right data

The types of petrol in South Africa are easy to list: ULP 93 and 95 for most modern vehicles, plus LRP for the few older engines that need it. Diesel adds a second choice, sulphur content, which matters more as emissions technology advances.

The best fuel for your fleet, though, isn’t the cheapest or the most expensive, it’s the one each vehicle was designed for, bought efficiently and backed by data that shows it’s working.

With fuel prices at record levels, now is the right time to review your fuel policy. Discover how Webfleet’s fuel-management solutions can help you monitor consumption, improve driver behaviour and make better-informed fleet decisions.