Is It Bad To Put Higher Octane Gas In Your Car??

Unless your engine is knocking, buying higher octane gasoline is a waste of money.

In fact, 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.

What happens if you put the wrong gas in your car?

For gas/diesel mix-ups, a prompt drain is necessary to prevent internal damage to your car. In cases of filling up your car with the wrong octane of fuel, your car usually compensates so that no immediate damage may happen. However, it is important that you fill your engine up with the correct fuel right away.

Is it bad to put 87 in a car that takes 91?

As long as you are not running wide-open throttle, this is of little immediate consequence in a naturally aspirated engine. In a turbo or super-charged engine, you have a high risk of pre-detonation under boost & WOT conditions due to the lower octane.

Will regular gas hurt a premium car?

Using the wrong gasoline may cause other problems, like decreased fuel economy and engine performance. Some manufacturers recommend premium gas but say that regular or mid-grade gas can be used instead. They usually warn that using lower-octane gas could reduce performance and fuel economy.

What happens if you put 93 octane in a 87 octane car?

If your car is designed to burn 87, it will not burn 93 correctly. Third, your gas mileage will suffer. The inability of your engine to burn the higher octane gas correctly will cause your engine to produce less power and thus will require more fuel to perform at the same level.

Does premium fuel clean your 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.

What cars require premium gas?

15 Unexpected Cars That Run On Premium-Grade Gas

  • Buick 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.

What is the best fuel for your car?

The best fuel for your car

  1. Introducing RON. The most commonly sold fuels are the unleaded varieties: unleaded (ULP), E10 (ULP with 10 per cent ethanol) premium unleaded (PULP) and ultra-premium unleaded (UPULP).
  2. The Octane Ratings. 91 – This is the lowest octane level available.
  3. The Branded Fuels. Shell V-Power – this comes in 98 only.

What happens if you mix 87 and 93 gas?

If you mix a half tank of 91 octane and a half tank of 89 octane, you end up with a full tank of 90 octane. Unless you are driving a car that requires 93 octane, you won’t damage a thing. You aren’t going to damage your engine using a higher octane fuel than necessary, but you will waste your money.

What happens if you add 91 to 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 put premium gas in a BMW?

“There generally isn’t any harm done to the engine by using lower-octane fuel,” said a BMW spokesman, Thomas Plucinsky. “Because our engines do have very good forms of knock sensing and are able to deal with lower-octane fuels, you will not have any drivability issues. You will, however, lose some of the performance.”

Which gas is better 87 or 89?

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.