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- Running it on regular fuel would offer the engine the recommended octane rating and would ensure that the engine runs in the designated parameters. Running it on premium fuel however will offer it a higher octane rating than recommended and while this is not something bad, it does not offer any benefit except a higher price per fill-up.
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Dec 16, 2020 · Premium petrol usually has a higher octane rating than regular petrol. Octane is a chemical component of petrol, and the amount of octane contained within the fuel determines how well it will...
- Senior Test Editor
Jan 18, 2024 · Unleaded premium fuel has an octane rating which shows how well the fuel resists pressure and premature ignition. Premium petrol can also help to reduce friction, resulting in cleaner engine components and a more efficient performance.
Jul 31, 2021 · Regular gasoline (with a lower octane rating) does not actually burn faster than premium gasoline (with a higher octane rating). The difference between regular and premium gasoline lies in their resistance to premature ignition or “knocking” in the engine cylinders, not in their burn rate.
- Should You Use Premium Gas?
- Premium Gas Explained
- Premium vs. Regular Gas
- Can You Mix Premium and Regular Gas?
- Does Premium Gas Last Longer?
- Which Cars Need Premium Gas?
- Is Premium Gas Worth It?
The answer to the fundamental question is easy because the car’s manufacturer answers it. Automakers recommend the type of gasoline to use for peak performance. Spoiler alert: Most cars, trucks, and SUVsare fine running on a diet of regular gasoline. RELATED: How Often Should I Change My Oil?
What constitutes premium versus regular gasoline can vary from state to state. In most places, regular gasoline has an 87 octane rating, while premium is 91 to 94 octane. A higher octane rating means the gas is more compatible with higher compression ratios. That term refers to the conditions in the cylinder when the air and fuel detonate to keep t...
Using premium gas (when the manufacturer recommends) maintains performanceand fuel economy. It also reduces the chance of engine “knocking.” Knocking is a potentially serious engine problem. Audible engine knocks happen when the air/fuel mixture within a piston’s combustion chamber is incorrect. Over time, excessive engine knocking can lead to expe...
Mixing premium and regular gas in your car or truck is OK. Modern vehicles’ high-tech electronics and fuel monitoring features easily adjust to different grades of gasoline. Even if the maker recommends premium gas for your car, there is no risk of immediate engine damage if you need to fill up with a tank of lower octane. Problems such as decrease...
Shopping for fuel isn’t like reaching deep into the cooler for milk with a more distant expiration date. Premium gas does not last longer than regular gasoline in a fuel tank. A car owner might only consider the longevity of a car’s gas if the vehicle has been sitting unused for an extended period. And we mean months or years, not days or weeks. MO...
Is there a golden rule that sporty or luxury vehicles need premium gasoline, while less expensive cars and trucks are fine running on regular? Not necessarily. Each vehicle is different and could have multiple engine options with varying fuel recommendations. That’s why it’s up to the owner to know what fuel is best for their vehicle. As we pointed...
Use premium gas if the owner’s manual calls for it. Otherwise, there is no sense in wasting money by putting premium gas in your vehicle’s tank if the manufacturer recommends regular gasoline. A better point to consider is Top Tier gasoline, which has more detergents and other chemicals that help keep your fuel system running clean. In a study abou...
Aug 4, 2019 · We tested higher octane fuel than manufacturers require on the Honda CR-V, BMW M5, Ford F-150, and Dodge Charger to see if it impacted acceleration or MPG. By Eric Tingwall Published: Aug 4,...
- etingwall@hearst.com
- Print Director
Regular octane fuel typically has a rating of 87, with mid-range fuel rating between 89 – 90, and premium fuels rating at 91 – 94.
Mar 19, 2019 · You’ll get a small bump in horsepower on premium fuel, but of course you’ll pay more at the pump. The numbers on the gas pump indicate how much octane the fuel contains: 87-octane gas is considered regular-grade; 89-octane is mid-grade; and 91-octane and above is premium.
