Know Your Car: Do You Need High Octane Gasoline?

You’ll see big bright ads on gasoline stations, sometimes even on the television or over the radio. The newest high octane fuel is now available. It’s a priced a bit higher than regular gasoline. It’s got that fancy branding, making it look way better than the regular version. It must make your car perform better, right?

According to experts there is no real value to replacing your regular octane fuel with high octane. In fact, most recommended gasoline for most cars is just the regular octane gas. You’ll find exactly what your car needs in your owner’s manual. And so far, there’s no proof that high octane can make your car perform better, run cleaner or become more fuel efficient.

Octane measures the fuel’s ability to resist engine knocking, rattling or pinging as a result of premature ignition in the engine’s cylinders. You’ll find the gasoline’s octane level by the pump (usually in a bright yellow sticker). Most gas stations offer three levels. Regular octane is usually 87, mid-grade is around 89 octane and high octane or premium is 92 to 93 octane.

If you drive a sports car or a luxury car, that’s when you might need a high octane gasoline since your car has a high compression engine. To know if you’re using the right type, all you have to do is listen to your car. If, say, you use the recommended regular octane for your car but the engine always knocks, then it may be time to upgrade to either a mid-grade or a high octane gasoline.  Prolonged knocking may result in engine damage, so don’t let it go on without doing something about it.

However, don’t switch up to higher octane because it happens once or twice. Other factors may cause engine knocking such as temperature, altitude, humidity, engine spark timing and even your method of driving.

The older your car gets and the more you use it, the more likely it will be for you to need to upgrade your octane levels. This is due to continuous build up of combustion chamber deposits. As such, the octane requirement of your car when it was brand new may be3 to 6 numbers higher as the years progress.

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Buying a Car in Australia

There are several ways to buy a car in Australia. Like in any other country, you can buy one from a dealer. Direct dealers can sell you brand new car models, while used car dealers can get you older models. Auctions are another way to buy a car in Australia. You can also get it from a private seller. Whether you will be going through a dealer or a direct individual seller, you can look for them in online car classifieds.

Buying a car from a licensed dealer guarantees title/ownership and you will be protected by the Motor Dealers Compensation Fund. Dealers also offer warranty as required by each state.

On the other hand, if you choose to buy from an auction or an individual seller, you can have the car checked by the Register of Encumbered Vehicles to check if they are the rightful owner and if the car can be indeed be sold. Getting this checked means you can find out if the seller has an outstanding loan attached to the car (called an encumbrance). This prevents repossession of the vehicle should it not have the proper paper work and someone still owes money on it.

Before buying a car in Australia, you should always visit the Motor Registry for transfer of ownership. This should be done within 14 days. You will need your proof of purchase, two forms of identification and payment for stamps and transfer fees.

If you are buying a used vehicle, you should also be responsible for checking the vehicle for any damages and defects. It is ideal to check the body, the interiors and the car’s engine. You may also opt to ask for a safety check report. A pink slip that is not more than one month old is a good way to determine if the vehicle needs repairs.

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