Chevy Suburban Gas Tank Size: How Much Fuel Can It Take?

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Chevy Suburban gas tank size differs depending on the trim and model of the vehicle. This is because each trim has its dimensions and unique features which determine the size of the fuel tank. In this complete guide, we’ll look at how Chevy Suburban’s fuel tanks have changed over time and the gas mileage you can get on the vehicle. This article will also discuss how to save fuel and the type of gas that is perfect for the vehicle.

What Is the Chevrolet Suburban Gas Tank Size?

The Chevrolet Suburban gas tank size is between 106.0 liters to 117.3 liters depending on the year it was manufactured, the model, the unique features and the trim level. The Chevy Suburban has a relatively small fuel tank but surprisingly gets good gas mileage.

Chevy Suburbans were well-known to have large gas tank sizes when they were first launched, but after several years of production, the company decided to decrease the size of the gas tanks for environmentally-related reasons. In this section, we’ll be discussing the gas tank sizes of Chevy Suburbans according to the year of manufacture.

– The 2022 Chevy Suburban

The gas tank size of the 2022 Chevrolet Suburban High Country is 28.0-gallon gas (106.0 liters) and can do a maximum of about 420 miles on a full tank when driving in the city. However, when driving on the highway, you can get between 532 and 560 miles on a full tank.

In the city, the vehicle travels about 15 miles for every gallon consumed while for every 20 miles traveled on the highway, the 2022 Suburban consumes a gallon. Note that all these figures apply to all trim levels of the 2022 Chevrolet Suburban.

– The 2021 Chevy Suburban

The 2021 Chevy Suburban gas tank size is 106.0 liters and could get you between 364 and 420 miles when using it within the city. However, on the highway, the gas mileage can go up between 532 and 560 miles, depending on the trim you’re driving. 

– The 2020 Chevy Suburban

Unlike the 2021 and 2022 Suburbans, the 2020 Chevy gas tank size is relatively bigger at 117.3 liters and could get you a whopping 683 gas mileage on the highway with a full tank. In the city, the 2020 Chevrolet Suburban could get you 465 miles on a full tank. However, due to emission concerns, the company had to reduce the gas tanks of the models of subsequent years.

– The 2019 Chevy Suburban

The 2019 Chevy Suburban gas tank size also measures 117.3 liters with a 5.3L engine. On a full tank, the vehicle could run between 465 and 685 miles in the city and on the highway, respectively. On the highway, the vehicle has a driving range between 620 and 713 miles. 

– The 2018 Chevy Suburban

The 2018 Chevy Suburban gas tank size is 117.3 liters and can drive up to 496 miles on a full tank in the city. When on the highway, the vehicle has a maximum driving range of 713 miles before you run out of fuel. It also features between 15 and 16 mpg in the city and 22 to 23 mpg on the highway, depending on the trim level.

– The 2017 Chevy Suburban

Just like the previous vehicles, the 2017 Chevy Suburban gas tank size is 117.3 liters and it runs on a 5.3L engine. It comes in either a 2WD or 4WD and has a 496 maximum driving range in the city. The 2017 model boasts a 713-mile maximum driving range on the road at a maximum gas mileage of 23 mpg.

– The 2015 Suburban

The 2015 Chevy Suburban gas tank size is also 117 liters and boasts a driving range of 465 to 496 miles in the city when th tank is full. However, the SUV can travel between 682 and 713 miles on the highway with a full tank.

The SUV also features 6 trims, which come with either a 2WD or a 4WD and a six-speed automatic transmission. Like other Suburbans of its era, the 2015 model runs on a 5.3L V8 engine that produces 355 horsepower and a torque of 383 pounds per foot.

– The 2007 Suburban

The 2007 Chevy Suburban gas tank size is 117 liters and it features the Vortec 5.3L V8 engine or the Vortec 6.0L V8 engine. The trim with the 5.3L engine produces a horsepower of 320 while the 6.0L produces 366 horsepower.

However, all 2007 trims have a maximum driving range of 620 miles on the highway and can go up to 434 miles in the city on a full tank. The 2007 model has a four-speed transmission and a 2 or 4-wheel drive.

– The 2005 Suburban

The 2005 Chevy Suburban gas tank size too is 117 liters but features the Vortec 5300 V8 SFI FL engine. The maximum driving range you can get on this Suburban is 589 miles when driving a full tank on the Highway with an mpg of 19. In the city, you can get a maximum driving range of 465 miles in the city on a full tank. All trims come with a 4-speed Hydra-Matic 4L60-E automatic transmission.

– Chevy Suburbans With Two Gas Tanks

Some Chevrolet Suburbans like the 2000 model have two tanks in the vehicle. One tank is located in the rear and the main tank is located under the front and rear seats. Both tanks are somewhat connected, thus if you fill the rear tank and it gets full, it spills over to the main tank.

How long can a Chevy Suburban travel on a full tank of gas? It depends on the model and trim but the longest distance a Chevy Suburban can travel is 713 miles on a highway while the shortest distance in a city is 434 miles. 

– Size of the Chevy Suburban Gas Tank Reduced

The gas tank size of the Chevrolet Suburban was reduced because it was cited for excessive CO2 emissions. Thus, to comply with modern standards for all vehicles, the company decided to reduce the size of its gas tank to make the SUV more environmentally-friendly. 

Another reason was that consumers were abandoning the Suburbans for its competitors due to the rising cost of gas. The Suburban’s competitors were using small gas tanks, which saved their consumers money. Therefore, the Suburban had to keep up with the competition by streamlining its fuel tank.

In 1999, the vehicle’s tank capacity was 158.9 liters, but it was reduced to 124.2 liters then later went to 117.3 liters. Though the gas tank has been reduced, it has not impacted the performance of the SUVs in a significant way. The vehicle features a 5.3L or a 6.0L engine, which has a maximum towing capacity of 3,900 kilograms.

What Are the Best Ways To Save Gas in a Chevy Suburban?

The best ways to save gas in a Chevy Suburban include avoiding idling, driving with cruise control, and ensuring that your tires have enough air. Also, inspecting the gas cap to ensure that the gas is not leaving the tank is another sure way to save gas in your vehicle.

Is the Chevy Suburban Fuel Efficient? The Chevrolet Suburban uses up less gas compared to the Cadillac Escalade. However, SUVs generally use more gasoline, so if you plan on purchasing a Suburban, then be prepared to pay extra for gasoline.

– Turn off the Engine When the Car Is Idling

It is tempting to leave the engine on while in traffic or waiting for someone in the parking lot. However, idling tends to waste gas as the engine uses the gas to keep running and it is even worse if the air conditioner is on. Save some gas by turning off the engine while the car is idling and roll down the window to allow air to enter the car instead. 

– Frequently Change the Car Air Filter

An engine’s air filter prevents dust and debris from getting into the engine, which allows the engine to function at optimum capacity. Refusal to frequently change the air filter will lead to clogging, which would force the fuel injection system to inject more gas into the combustion chamber to power the vehicle. Thus, you’ll spend more money on gas than usual, which can be frustrating.

– Make Use of the Cruise Control Function

Changing speeds also consume much gas as the more you step on the accelerator pedal, the more gas is burned to power the engine. To avoid this, travel at a consistent speed with the help of the cruise control function. This allows you to take your foot off the accelerator pedal after setting the desired speed and it also saves you some fuel as well.

– Ensure the Tires Are Properly Inflated

According to numerous studies, under-inflated tires could reduce fuel efficiency by up to 3 percent. The cause is simple: when a tire is under-inflated, it takes up more surface area, which causes more friction. To overcome friction, more gas is burned, which affects the fuel economy. Thus, always make sure the tires are inflated to the appropriate standard.

– Organize Your Trip

Organize your trips well so you can use your fuel efficiently. Taking two or three trips to the grocery store just because you forgot to purchase an item on your initial visit will only lead to fuel wastage. Also, write out what you’ll need for the week so that you don’t have to travel twice to the same vicinity.

For example, if the grocery store and the clothes store are on the same street, plan your route such that you’ll take the shortest route possible and can buy all the items at once. Bringing the groceries home only to remember that you didn’t buy the shirt you needed will make you waste gas going to the same area twice. 

– Use the Correct Fuel

The Suburban uses regular unleaded fuel to power its engine. Regular unleaded gas is a fuel that contains no lead, thus it is good for the environment. It is the most common type of fuel used in vehicles in the US due to its 87 Octane rating. 

Conclusion

As promised, this complete guide has detailed the gas tank size of the Chevy Suburban and answered some questions on how to save fuel and the type of gas the vehicle uses. Here is a recap of all that we’ve discovered:

  • The Chevy Suburban gas tank size ranges from 106.0 to 117.3 liters according to Suburban specifications and interior dimensions.
  • The Suburbans with the biggest gas tank size were produced before the year 2000, but the gas tank sizes were reduced due to environmental concerns.
  • The cars can travel up to 713 miles on a full gasoline tank, but it all depends on the model as some models can travel less, with the shortest distance being 434 miles in the city.
  • Though the Suburban consumes a lot of fuel, you can save a few dollars by avoiding idling, using the cruise control on the highway, and properly inflating the tires.
  • The type of fuel the SUV uses is regular unleaded fuel, which is environmentally friendly.

The 2008 Chevy Suburban gas tank size and the 2009 Chevy Suburban gas tank size are the same, and they both have a towing capacity of 3,674 kilograms.

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