Quick Answer: Which Gas Is Better 87 89 Or 93?

Will premium gas clean my engine?

No matter what you’ve heard, premium-grade gasoline won’t do more to clean deposits from your fuel injectors or other parts of the fuel system because today’s regular gas contains the same detergent additives.

The main difference with premium is its octane rating — 91 or higher compared with 87 for regular octane..

Does premium gas give better mileage?

Premium gas gives you more miles per gallon than regular gas. … In actual fact, you’ll get a greater range of fuel economy between different brands of regular gas, than you will between the same manufacturer’s regular and premium gasses.

Should I use 93 octane?

In a consumer notice, the Federal Trade Commission, notes: “In most cases, using a higher-octane gasoline than your owner’s manual recommends offers absolutely no benefit. It won’t make your car perform better, go faster, get better mileage or run cleaner.”

Can you run 87 octane on a 93 octane tune?

87 is the standard octane rating that most car engines are designed for. … The reason why you should never run a lower octane fuel on a vehicle tuned for higher octane fuel is because the tune has no way of detecting what fuel you are using and will continue to operate assuming you put in the correct fuel.

Can higher octane hurt your engine?

The higher the octane, the greater its ability to prevent the unruly type of combustion engineers call detonation. The goal is to ignite the fuel mixture solely with the spark plug, rather than from the heat in the cylinder, to prevent detonation, which can seriously damage high-performance engines.

Is it OK to mix 89 and 93 gas?

No, you will not damage your engine by mixing different octane fuel. It is still fuel. Say you mixed 2 gallons of 87 octane with 2 gallons of 89 octane and 2 gallons of 93 octane.

Does premium gas burn slower?

Octane does not offer any better fuel mileage, increase engine horsepower, or make the engine start quicker. Higher octane only reduces the likelihood of engine knock or ping. … Because higher octane gas burns slower, it is more resistant to knock when subjected to higher RPM and cylinder pressures.

Who has the best 93 octane gas?

Costco 93Costco 93, it’s top tier or BP.

Is it bad to mix gas brands?

The oil companies actually check the stations gas to make sure they have gas with their additive package. Mixing won’t hurt, you just won’t get all the cleaning benefits.

Does Shell have 93 octane?

93 is available at Shell and some other gas stations in Illinois. Some Phillips 66, Break Time, and Conoco stations sell 91 octane premium. New Jersey checks for fraudulent labeling of octane ratings. 93 is widely available.

Is premium gas worth buying?

Typically, high-performance cars require premium, because their engines have higher compression ratios, while other cars can run just fine on lower octane gas. … The FTC sums it up this way: “In most cases, using a higher octane gasoline than your owner’s manual recommends offers absolutely no benefit.”

Does premium gas last longer?

Sadly, there’s nothing in premium gasoline that would make it last longer than other fuels from the pump. Since the distinguishing feature is the higher-octane levels, the only real benefit you gain is lowering the chance of engine knocking, which isn’t much of a threat on most modern fuel systems.

Will 89 gas hurt my car?

Using a higher octane than necessary If you opt for a higher octane than your manual recommends—say, 89 instead of 87—your car will be perfectly fine, an article on AAMCO’s blog explains. It will not, however, improve your car’s mileage or give it any sort of extra performance boost, according to Car Talk.

Can you put 89 gas in a Mercedes?

All Mercedes-Benz gasoline cars require Premium Unleaded Gas. At a minimum, you should use premium 91 octane gasoline or higher. Avoid using low octane gas such as: … Plus Midgrade Unleaded Octane 89.

What happens if you mix 87 and 89 gas?

Yes. You will not harm your car by mixing different octane grades of the same gasoline providing your car’s engine is designed to run on less than 89 octane fuel and you are not using E85 in a non-E85 compatible engine. … Most gas stations that sell 87, 89 and 91 octane gas use what is called a mixer pump.

What’s the difference between 87 89 and 93 gas?

Octane is how much compression a fuel can withstand before igniting, or rather it’s a measurement of a fuel’s ability to avoid knock. … 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.

What happens when you put 93 gas instead of 87?

If you usually fill your tank up with 87-octane gasoline and you accidentally put in a higher octane blend (say, 91, 92, or 93), don’t worry. You’re actually filling your car or truck with a different blend of gas, which means it will burn differently in your engine.

What happens if you don’t use premium gas?

Using regular gas in an engine that requires premium could void your warranty. … 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.”

Which cars require premium gas?

15 Unexpected Cars That Run On Premium-Grade GasBuick Envision. While the compact Buick Envision’s base 2.5-liter four-cylinder engine runs on regular, the available 2.0-liter turbo-four engine recommends premium-grade gasoline.Buick Regal. … Chevrolet Equinox. … Chevrolet Malibu. … Chevrolet Traverse. … Fiat 500. … Fiat 500L. … Fiat 500X.More items…•

Can you mix 89 and 91 gas?

By using higher octane fuel where lower is specified, you will create no problems with your engine. It does not (by popular belief) add any power to your engine, but will not harm it at all. … When you mix different octanes of fuel, you are either increasing or decreasing the octane of the fuel at hand.

Is 87 or 89 gas better?

Slightly better fuel economy is there, but it’s not worth the huge price gap from regular to premium.” Most gas stations offer three octane levels: regular (about 87), mid-grade (about 89) and premium (91 to 93). … The higher the octane, the greater resistance the fuel has to pinging during combustion.