Quick Answer: What Happens If I Put Regular Gas Instead Of Premium?

What is the best premium gas?

Prominent top-tier gasoline suppliersBP.Chevron.Conoco.Costco.Exxon.Holiday.Kwik Trip.Mobil.More items…•.

Does putting premium gas make a difference?

Premium-grade gasoline is the most expensive gas you can usually buy, costing about 50 cents a gallon more than regular. Because only about 18 percent of new cars sold in the United States need it, there is no advantage in performance, fuel economy or emissions control for the other 82 percent to use high octane.

Which gas is better 87 89 or 93?

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.

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.

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.

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.

Can I switch from premium to regular gas?

In today’s automobiles, advances in engine technology mean that even if the owner’s manual recommends premium gasoline, the car will typically run on regular without issue and won’t damage the engine in any way. … If your vehicle is on the Recommended list, you can try switching to regular unleaded gas.

Which cars require premium gas?

15 ‘Regular’ Cars That Take Premium FuelBuick Envision (with 2.0L turbo)Buick Regal (all models)Buick Regal TourX (all models)Chevrolet Equinox (with 2.0-L turbo)Chevrolet Malibu (with 2.0-L turbo)Fiat 500L (all models)GMC Terrain (with 2.0-L turbo)Honda Civic (with 1.5-L turbo)More items…•

What happens if you don’t put premium gas in a Mercedes?

While regular unleaded gas shaves a few dollars off filling up your tank, Mercedes-Benz engines require premium gas due to their high-compression ratios. This means using regular gas may lead to costly repairs. To avoid more repair bills outside of scheduled service, you should always fill up with premium fuel.

Do I really need premium gas?

Premium gasoline is necessary only for those vehicles whose vehicles say “Premium Fuel Required” behind the fuel door. … If your gas brand has higher levels of detergents or cold-weather additives in its premium fuel over regular, it may keep your engine cleaner, but it won’t necessarily run better.

What happens if you put 87 instead of 93?

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 may feel a difference in the way the vehicle runs and may notice an improvement in gas mileage, but that’s about all that will happen.

Is it bad to put premium gas in a regular car?

Using premium gas in a regular car will cost you more with almost no added benefits. The Federal Trade Commission says that using a high-octane gasoline rather than a recommended one will offer almost no benefits. It will not make your engine perform better or faster.