LPG and diesel. Petrol: regular and premium. When it comes to petrol engines, there are several options available. What about ethanol? What is the difference between 91, 95 and 98 petrol? When should you use premium fuel in your car?
Prof Kook said many high-end manufacturers design their cars to use only premium fuels. Are there any benefits to using premium fuel? You also need to take into account the increased costs of premium fuels. Can you use E10 fuel in your car? Will E10 save you money? What if you fill up with the wrong fuel?
Senior Finance Journalist. Michael is a senior finance journalist at Canstar, specialising in superannuation, savings, wealth and life insurance. He is an award-winning journalist with more than three decades of experience. Share this article. Related How to buy a car. The best cars for towing a caravan for domestic holidays. First name Looks like you missed something. Please fill in the fields highlighted above. Last name Looks like you missed something.
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Can I mix E10 and regular unleaded? Where is my nearest E10 petrol station? Search our Stock. Book a Service. Find your nearest bp with unleaded with ethanol e About ethanol Ethanol is an alcohol made from fermented sugar cane and grains, and their by-products.
Contact us Phone technical help : Email us. Standard petrol is given a 91 rating, while premium unleaded is both 95 and There are also two ethanol-based fuels — E10 and E85 — which are potentially more environmentally friendly options. Unleaded 91 petrol is the most common type of fuel in Australia, and can be found at pretty much every petrol station. Most cars will be able to use it, although you may find the more premium fuel to be more fuel efficient, depending on what car you have.
Premium unleaded 95 petrol PULP 95 is a type of unleaded fuel that is designed to be more fuel efficient and cause a smoother engine operation, which in turn improves performance. It is meant for use by imported and high-performance vehicles, but can be used by the majority of cars.
Sometimes referred to as Ultra Premium unleaded petrol UPULP , premium octane fuel is the highest octane unleaded fuel, providing higher engine power and performance as well as less pollution, according to providers.
As with PULP 95 it is best-utilised by performance cars, and some models will say that they can only take 98 and not anything else. It has a higher octane rating of 94, which could result in better performance if your car is tuned for it. However, ethanol is less energy dense than oil, which could result in slightly worse fuel economy. By choosing an E10 fuel, your money is partly supporting the Australian sugarcane or corn industry, so hoo-roo to that.
The national average price at the time of writing for E10 was only about a couple cents' cheaper than To determine which one is better value, you'll need to determine if the worse fuel economy is offset by the cost savings. The other ethanol option available is E85, a fuel often favoured by V8 Supercars, and weekend warriors taking their vehicle to the track. It's also often called 'Flex Fuel'. According to United Petroleum, E85 has an octane rating of Not all cars are compatible with E85, however some late-model V8 Holden Commodores and other performance vehicles can be filled up with the blend.
However, don't expect the best fuel economy - it is less energy-dense after all. It might be harder to find E85, and when you do, the scarcity could mean it's not that much cheaper than 91 fuel. Though if you're filling up with E85, that might not be enough to deter you. This really depends on your car, but generally yes, you can use different fuels if you think one will be more fuel efficient or will result in better performance.
There is one exception though: do not use a lower rated fuel than the one recommended by the manufacturer. What this means is that unless some joker has peeled or scratched it off, there should be something written on the inside of your fuel cap that will tell you the minimum octane rating you can use in your car. If, for example, your car says 'premium 95', then it is not recommended to use unleaded 91, as doing so can cause engine knocking and potentially engine failure.
Many modern cars are designed to be fuelled with a variety of fuels safely, though manufacturers are usually explicit in saying that lower rated fuels will likely yield less performance and economy.
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