Is all 87 gas the same?

Retail gasoline stations in the United States sell three main grades of gasoline based on the octane level: Regular (the lowest octane fuel–generally 87) Midgrade (the middle range octane fuel–generally 89–90) Premium (the highest octane fuel–generally 91–94)
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Is 87 gas the same everywhere?

All Gas Is the Same (Up to a Point)

Once the petroleum gets to the refinery, it is made into gasoline. Oil tankers carry this gas to different companies, so the gasoline part of gas is the same. However, each company is required by law to put additives in the fuel.
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Are all premium gasolines the same?

All regular grade gasolines in any given area use the same base fuel, as do all premium grade gasolines. The only differences between fuel brands is the "secret sauce" of additives that are blended with the base fuel.
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What's the difference between 87 gas?

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.
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Is gas different at different gas stations?

Recipes for Performance — at a Price

The fuel from different filling stations comes from a common source: the "base gas" from a refinery. Workers there mix additives mandated by the Environmental Protection Agency into the base gas in order to clean a car's engine and reduce emissions.
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What is the BEST Fuel to Use in Your Car or Truck and WHY



Does it matter where you buy gas?

It doesn't matter which of the Top Tier gasolines you buy or if you mix them. It doesn't matter what grade you use (use the grade recommended in your owner's manual). It doesn't matter which pump or which particular station you buy from.
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Which gas station has best quality gas?

Gas Stations With The Best Quality Gas
  • #1. Editor's Pick: Chevron. By far, Chevron has the best quality gas in the United States. ...
  • #2. Costco. While you might think of Costco as a bargain brand store, they have some of the best quality gas in America. ...
  • #3. Shell. ...
  • #4. Exxon. ...
  • #5. Mobil. ...
  • #6. Texaco. ...
  • #7. BP. ...
  • #8. Marathon.
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What happens if you put 87 gas in a car that requires 91?

“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.”
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What's the difference between 87 89 91 gas?

The higher the fuel octane rating, the less noise will be noticeable on combustion. Additionally, octane levels also reflect the fuel's burn-rate. Regular 87 fuel burns slower than Premium 91 fuel, which will burn hotter and create more combustion.
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Which gas should I use for my car?

For the vast majority of American drivers, regular unleaded gasoline is all they need to use. However, most gas pumps also have premium and/or mid-grade gasoline that cost a little bit more, and have a little bit higher octane rating.
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What happens if you put the wrong octane gas in your car?

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.
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Can I mix premium and regular gas?

Can I mix premium and unleaded gas? Yes, drivers can mix the two types of fuel. The combined gas types will result in an octane level somewhere in the middle — something the vehicle “will survive,” according to The Drive.
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What's the difference between premium and regular gas?

Premium Gas

When you compare premium vs. regular gas, you'll notice premium gas is more expensive; but it's beneficial for certain vehicles. The difference between premium and regular gas is the varying octane levels in each gasoline. Premium gas has an octane level of 90+ and will help to keep your engine cleaner!
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What is 87 gas called?

Retail gasoline stations in the United States sell three main grades of gasoline based on the octane level: Regular (the lowest octane fuel–generally 87) Midgrade (the middle range octane fuel–generally 89–90) Premium (the highest octane fuel–generally 91–94)
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Which gas is better 87 89 or 93?

Most cars on the road recommend a standard grade 87 or 89. Premium gas 90-93 is completely okay to put in a standard vehicle. Car experts say there is no risk of damage to a standard car using premium fuel.
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What is super unleaded 87 gas?

Super unleaded 87 is an ethanol product, it is for people who want to save money as it is 30 cents cheaper than the regular product," continued Griess. If you have a new car it will have on the gas lid if you can use the flex fuels.
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Does premium gas clean your engine?

Nope. Regular, plus, and premium gas all come with detergents to mitigate against carbon deposits in your engine. Plus and premium don't come with special powers for cleaning out the engine. If you're interested in cleaning out your engine, you're better off taking it in for service.
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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.
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Which gas is better 87 or 91?

The main difference with premium is its octane rating — 91 or higher compared with 87 for regular octane. The higher octane gives premium gas greater resistance to early fuel ignition, which can result in potential damage, sometimes accompanied by audible engine knocking or pinging.
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Can I put 87 gas in my car?

If your car recommends regular 87 octane gas, you're in luck. You can safely use the cheap stuff. Premium fuel won't make the engine run better or produce more power.
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Can you pump gas with car running?

Is it illegal to pump gas while your car is running? Pumping gas with the engine running is illegal in all 50 states. The safety risks may be minimal, but the law is clear and you should always turn off the car before refueling.
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Can you mix old gas with new gas?

Old and new gas should not be mixed for a variety of reasons, the major ones are; The old gas degrades over time it should not be added because it has already lost it's combustibility. It can cause sputtering. It might fail to fire it up.
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Who has the cleanest gasoline?

5 Gas Stations with the Best Quality Fuel
  • Shell.
  • Costco.
  • Mobil.
  • Chevron.
  • Sinclair.
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Is Shell gas better?

Is Shell gas better? Shell gas is a Top Tier gasoline and is better than off-brand gasoline as it uses additives to keep the engine clean. The Shell V-Power is a great choice for vehicles needing high octane fuel and can be beneficial for cars with turbo and supercharging injectors.
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Which gas is better Shell or Chevron?

The difference between Shell and Chevron gasoline is not great but noticeable. Techs I have talked to agree Shell V-Power is the better gasoline it appears to deliver a bit more power and the techs all said they run it most of the time.
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