08 Tips On How to Get Better Gas Mileage in a Chevy Silverado : 2022

Do you own a Chevy Silverado and wondering how to get better gas mileage in a Chevy Silverado?

We will discuss the factors that directly affect the gas mileage of your pickup truck.

So, don’t worry. We are here to help.

Go through this article and surely it will help you to get better gas mileage in your truck.

Why is My Silverado Getting Bad Gas Mileage?

If you are worried about why is my Silverado getting bad gas mileage?

Here are several reasons.

  • Damaged Air Filter

A dirty or damaged air filter won’t be able to supply sufficient air to the engine.

So, a damaged or dirty air filter may cause high fuel consumption.

That’s why you need to make sure the filter is in good condition.

  • Bad Smell from Air Filter or Tire

If there have any problem with the filter, it may not smell good.

There will be a bad smell if the tires or air filter is not in good condition.

Tires should be checked regularly.

  • Overload

Driving with extra passengers will cause overload to your vehicle and it will cause bad gas mileage.

The fuel consumption will be more with the overload.

  • Worn Shocks Absorber

Vehicle lean is affected by worn shocks.

Worn shocks permit to flow of more air in it.

As a result, more gas enters the air while driving on the road, more air enters and it swings more.

  • Engine Overheating

When the engine is overheated, it is not wise to drive the vehicle.

There is very little petrol in the car and petrol is not taken from a good station and the fuel pump is not inspected regularly.

  • Warning Sign on the Instrument Cluster

Don’t neglect the warning sign on the dashboard of your vehicle.

A warning sign pops up on the screen when something goes wrong or a specific part is damaged.

If a sensor is damaged, it will cause a false warning sign pops up.

You should not take the warning signs to pop up lightly.

To learn more about why your vehicle is getting bad mileage and how to solve it; you can watch this video.

Sings of Bad Fuel Mileage for Chevy Silverado

Where does your vehicle’s power come from?

The fuel tank supplies gas to the engine and can run smoothly.

If the engine overheats, it seems the engine cannot run properly.

However, we should know the signs of bad fuel mileage.

Let’s discuss some signs below.

01. Extra Sound Comes When Starting

If you notice extra sound coming from your vehicle’s fuel tank, you need to know that the pickup truck is failing to use the fuel, which may be the reason for the extra sound.

This extra sound comes from the fuel tank.

Contamination of the vehicle’s fuel tank or low gas in the vehicle’s gas field is the reason.

02. Fails to Start

After turning the key, if you see the truck is not starting, you must understand that your vehicle’s engine is not getting fuel and the gas supply is not working properly.

So, it is not starting.

Using bad fuel in the vehicle may lead to this situation.

03. Engine Splits or Vibrates

Sometimes the engine may shut down or vibrate due to an improper supply of fuel to the engine.

That’s why the engine may seem to vibrate while driving.

How to Get Better Gas Mileage in a Chevy Silverado?

Getting a good gas mileage is not a luxurious expectation.

Bad gas mileage is a result of a malfunction of a part or some parts of a vehicle.

If you take proper care of your truck then it’s bound to provide you with good gas mileage.

Here we’ll provide some best ideas about how you get better gas mileage in a Chevy Silverado pickup truck.

01. Using the Suitable Grade Engine Oil

In the instruction manual for the Chevy Silverado pickup truck.

It’s clearly instructed that you must use SAE 5W30 grade engine oil.

Some Silverado owners don’t know much about the engine oil grade and some neglect the instruction.

You must follow the advice and use SAE 5W30 grade engine oil in your Chevy Silverado.

Surely it will help you to get better gas mileage.

Check out this video to know about the engine oil grade

02. Changing Air Filter Timely

You must change your air filter every 30,000 miles.

The air filter gets dirty and can’t pass air properly after 30k miles.

So, you must change the air filter every 30k miles.

If you do change the air filter timely, it will help to keep the ideal airflow to the engine.

Proper airflow to the engine will ensure better gas mileage.

03. Using Platinum Spark Plug

The spark plug burns the fuel and air in the combustion chamber.

If you change the factory spark plug and replace it with a Platinum spark plug surely it will burn the fuel more efficiently and you will get a better fuel mileage.

The platinum spark plug has the longest durability.

You can change it after 100k miles till then it will be in very good condition.

04. Quality Ignition Coil

The ignition coil produces high voltage and transfers the voltage to the spark plug.

A quality ignition coil ensures good mileage.

So, you must check the ignition coil and change it if it’s not working for having a better gas mileage in your Chevy Silverado.

05. Changing Engine Oil Timely

There are 03 types of engine oils for Silverado pickup trucks.

  • Mineral Engine oil
  • Semi-Synthetic Engine Oil
  • Fully Synthetic Engine Oil

You must use the fully synthetic engine oil and change the engine oil every 7,000 miles.

There is no doubt it will help to get better gas mileage.

This video will guide you on how to change engine oil by yourself.

06. Installing Cold Air Intake instead of Air Filter

Most vehicles come with a stock air filter.

Cold air intake provides about 50% more airflow than the factory air filter.

So, Changing the air filter will ensure more airflow to the engine and more airflow to the engine will ensure better gas mileage in your Chevy Silverado pickup truck.

07. Driving on Normal Mode

There are 06 different driving modes in Chevy Silverado 1500 models.

  1. Normal
  2. Off-road
  3. Snow-Ice
  4. Tow-Haul
  5. Sport
  6. Terrain

only the first 04 modes of this list are available in Chevy Silverado 2500 & 3500 series,

If you want to get better gas mileage in Silverado then you must drive the vehicle in Normal Mode.

It will decrease by around 5% gas consumption.

08. Don’t Neglect the Warning Sign

There are around 14 common dashboard warning lights in a Chevy Silverado pickup truck.

These lights have 03 different colors.

  • Red
  • Yellow
  • Green

If something goes wrong one of them will pop up to let you know a specific type of problem.

Neglecting a warning light is unwise as it will lead to a bigger problem later.

On the other hand, you can save your engine and fuel by taking care of these warning lights if they pop up.

What is the Average Gas Mileage for a Chevy Silverado?

The average gas mileage of Chevy Silverado is up to 20 MPG on the highway.

In some cases, it can provide around 30 MPG on the highway.

In Cities, Silverado has a reputation to provide average gas mileage of up to 16 MPG.

This average gas mileage is measured in Normal Driving Mode.

So, you must use the ‘Normal Mode‘ while driving to get a gas mileage like these on average.

You can increase the gas mileage by only a little tweak on the exhaust.

Watch this short YouTube video to learn how to do it.


How You Can Easily Increase Chevy Silverado Fuel Efficiency?

You must follow all the advice given in this article.

In addition, you can also use a tuner to get better gas mileage.

Which Silverado Engine Gets the Best MPG?

Silverado 1500 Duramax diesel engine provides the best MPG.

For the current time, it is a great engine model.

Although all the model of the Chevy brand provides good gas mileage, this Chevy 1500 meet up to around 30 MPG, which is greater than all.


In this article, we have described how to get better gas mileage in a Chevy Silverado.

We hope this article has answered your question thoroughly.

You can follow the advice to get better gas mileage in your Silverado truck.

Best of luck.

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