Is 93 gas the same as 89?

Gas stations typically carry three octane grades. State laws regulate which octane levels can be listed as premium, midgrade or regular. Typically “regular” gas is 87 octane, “midgrade” is 89 octane and over 91 octane is “premium” gasoline. Some states label top-tier gasoline with 93 octane as “ultra” gas.

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What happens if you put 93 gas instead of 89?

In most cases, the vehicle will run fine, but you may experience less power and a decrease in gas mileage. In more serious cases, you may hear engine knocking or valve chatter because the fuel isn’t burning right. These things could damage your engine and you should take it to your mechanic.

Do you get better gas mileage with 89?

So is Higher Octane Fuel More Efficient? In a word, no. On its own paying for premium gasoline does not make your car run better or get greater gas mileage. Giving your car the fuel it requires to run smoothly and efficiently, without damage to the engine, does make a difference in your fuel mileage.

Why is 93 gas better?

Regular gas is rated at 87 octane in most states, while premium gas is often rated higher at 91 or 93. Fuel with a higher octane rating can stand up to higher compression before it detonates. Essentially, the higher the octane rating, the lower the likelihood that detonation happens at the wrong time.

What happens if you put 89 gas in a 91 car?

“Use premium unleaded gasoline with a posted octane rating of 91 or higher. If the octane rating is less than 91, you could damage the engine and may void your vehicle warranty. If heavy knocking is heard when using gasoline rated at 91 octane or higher, the engine needs service.”

What happens when you mix 89 and 93?

It’s Just Math. It really is this simple: Equal amounts of 89- and 93-octane gas gives you a tankful of 91 octane.

Does 93 gas burn slower?

Fueling Basics: Explaining Octane Ratings Fuel with an 87 octane rating burns more quickly while higher-octane fuels burn more slowly.

Does cheap gas hurt your car?

Edmunds.com put this question to experts in several fields, including an automotive engineer at a major carmaker, gasoline manufacturers and two engineers with the American Automobile Association (AAA). It boils down to this: You can stop worrying about cheap gas. You’re unlikely to hurt your car by using it.

Do I really need 93 octane?

To answer the previous question, no. The simple answer is that premium gas should be used exclusively for premium cars that specifically require premium gas. Using higher octane doesn’t mean that you’ll get better performance if the car isn’t designed for it.

Does 93 octane give more power?

At triple-digit speeds, the higher power on 93 octane gave the Charger an advantage measured in tenths of a second. The Dodge also posted a 0.3-mpg improvement on premium with its average of 23.5 mpg.

Does cheaper gas mean lower quality?

Cheaper gas might end up costing drivers in the long run, according to AAA. The automotive group found significant differences in the quality of gasoline sold at fuel retailers in recent testing.

Does 93 gas make a difference?