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 increase engine life?
For cars designed to run on regular fuel, AAA found that using premium provided “no benefit” compared to regular gas — no improvements to engine life, fuel economy or even reducing tailpipe emissions.
Which gas lasts the longest?
93 octane fuels are more refined and contain more stable hydrocarbons. These stable hydrocarbons can last 2-3 times longer than 87 octane fuel. Even in proper storage 87 octane gas can start to degrade in 3 months, 93 octane fuel should last closer to 9 months before degradation is noticeable.
Is premium gas a ripoff?
“AAA cautions drivers that premium gasoline is higher octane, not higher quality, and urges drivers to follow the owner’s manual recommendations for their vehicle’s fuel.” … But most cars on the road today that run on regular gas come equipped with a modern fuel injection system and other features that help avoid this.
Is premium gas a waste of money?
The word “premium” suggests high quality, the best of the best. But what is commonly called “premium gasoline” is a waste of money for countless drivers. … Data from the American Automobile Association found that Americans are wasting $2 billion a year buying premium gasoline they don’t need.
How long does premium gas last in a car?
Generally, properly stored gas can last between 3 to 6 months; if you add fuel stabilizers, you can extend its shelf life by a year or so (under optimal conditions, of course). That gas in your car’s tank, however, will more than likely start degrading in about a month.
How long will premium gas last?
In general, pure gas begins to degrade and lose its combustibility as a result of oxidation and evaporation in three to six months, if stored in a sealed and labeled metal or plastic container.
What are the benefits of premium gas?
The octane rating on a modern gas pump is actually a representation of its resistance to knock. In fact, one of the main benefits of premium gas is that it avoids detonation better than regular gas. The higher the octane — usually expressed as a range from 87 to 94 — the stronger the resistance.
Why you shouldn’t use premium gas?
It’s a different story for a car whose engine requires premium fuel. The car will run on regular fuel in a pinch, but you shouldn’t make a habit of it. The fuel’s lower octane can result in elevated exhaust-gas temperatures and possible knocking, both of which can adversely affect the engine’s health in the long run.
Is premium gas worth the extra price?
If your car recommends, but doesn’t require premium, you’ll most likely see improved performance and efficency with higher octane fuel. But, the extra cost might not be worth it. A lot of cars on sale today recommend that you fill up with premium-grade fuel (91 octane or higher), but don’t require it.
Why is premium gas still expensive 2020?
AAA said the demand for premium gas is due to more car owners “treating themselves” as pump prices drop. … But another factor driving demand is that more stringent fuel-economy standards have put downsized and turbocharged engines in more and more new cars.
Which gas is best for car?
It is better for your car to use 87, 88 or even 91-octane gas than to go too low. If you have a luxury car that needs premium gas, try to fill up before driving to a high-altitude location in case you cannot find a gas station that provides the octane you need.
Is it OK to use regular gas instead of premium?
“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. … Some manufacturers recommend premium gas but say that regular or mid-grade gas can be used instead.
Which vehicles require premium gas?
15 ‘Regular’ Cars That Take Premium Fuel
- Buick 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)