What’s the difference between regular and
premium gas? And which one should I use?
The difference between regular and premium gas
is the octane level. Regular gas has an octane rating that is usually around
87, midgrade gas is usually around 89, and premium is usually somewhere around
91. The octane level determines how quickly a fuel burns. If a fuel has a
higher octane level, it will burn slower because it has a higher compression
level and is less likely to combust without the ignition of the spark plug.
When fuel combusts before it is ignited by the spark plug, this means that not
all the fuel in an engine will burn and it will most likely leave debris and
gunk in the engine.
If you’re unsure what your car should take,
check the owner’s manual. While a higher-octane fuel is a better quality fuel,
not every car needs that. Premium gasoline is made for better quality engines
and will only be wasting the money of the person who uses it when they should
be using regular. In the same matter, if your car needs premium, putting
regular gasoline in it will most likely lead it to “knock” which is the term
used for an engines early combustion.
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