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How many gallons does a 2002 Avalanche hold?

The 2002 Chevrolet Avalanche has a fuel tank capacity of 26 gallons. This full-size pickup truck was designed to provide a versatile combination of truck utility and SUV comfort.


Fuel Tank Capacity of the 2002 Avalanche


The 2002 Chevrolet Avalanche has a standard fuel tank capacity of 26 gallons. This means the vehicle can hold up to 26 gallons of gasoline in its fuel tank. The Avalanche was available with either a 5.3-liter V8 or 8.1-liter V8 engine, both of which required regular unleaded gasoline.


The fuel tank size is an important specification for any vehicle, as it determines how far the car can travel on a single tank of gas. A larger fuel tank, like the 26 gallons in the 2002 Avalanche, allows the vehicle to have a longer driving range before needing to refuel.


Fuel Efficiency of the 2002 Avalanche


In terms of fuel efficiency, the 2002 Avalanche had an EPA-estimated fuel economy of 14 miles per gallon in the city and 18 miles per gallon on the highway. This means that with a full 26-gallon tank, the Avalanche could travel approximately 364 miles in the city or 468 miles on the highway before needing to refuel.


The fuel efficiency of the 2002 Avalanche was on the lower end compared to other full-size pickup trucks of the time, due to its large V8 engines and heavy-duty design. However, the Avalanche's versatility and combination of truck and SUV capabilities made it a popular choice for many buyers despite its relatively poor gas mileage.


Factors Affecting Fuel Tank Capacity



  • Vehicle size and weight: Larger, heavier vehicles typically have larger fuel tanks to accommodate their greater fuel demands.

  • Engine size and power: Vehicles with larger, more powerful engines generally require larger fuel tanks.

  • Fuel type: Diesel-powered vehicles often have larger fuel tanks than their gasoline-powered counterparts.

  • Manufacturer design choices: Automakers may choose to prioritize fuel tank size based on the intended use and target market for a particular vehicle model.


The 26-gallon fuel tank capacity of the 2002 Chevrolet Avalanche was well-suited for its size, power, and intended use as a versatile, full-size pickup truck. This tank size provided a good balance between driving range and overall vehicle design.

How big is the gas tank on a Colorado truck?


21.4 gallons
This alluring mid-sized truck's gas tank size is 21.4 gallons for all models.



How many miles are in 16 gallons of gas?


Distance Calculation
With a full tank of 16 gallons, we use the formula: Distance = Miles per gallon × Gallons of gas . Plugging in the numbers, we get: 22 mpg × 16 gallons = 352 miles .



How big is a 2002 Chevy Avalanche gas tank?


Answer: The size of the gas tank in the 2002 Chevy Avalanche depends on which engine is in it. The 5.3 L V8 engine has a 31-gallon tank and the 8.1 L V8 can hold 37.5 gallons.



How much is a 2002 Chevy Avalanche worth today?


A 2002 Chevrolet Avalanche 1500 has depreciated $495 or 8% in the last 3 years and has a current resale value of $5,171 and trade-in value of $2,699.



What were the best years for the Chevy Avalanche?


There are several excellent choices from the Chevy Avalanche. We recommend the 2006, 2009, 2011, 2012, and 2013 versions.



How many gallons is a Chevy Avalanche gas tank?


Fuel & MPG
403.0/527.0 mi. 31.0 gal.



How many gallons is a Chevy Colorado gas tank?


Fuel & MPG

Range in miles (city/hwy)363.8/406.6 mi.
Fuel tank capacity21.4 gal.



How many gallons of gas does a 2002 Chevy Avalanche hold?


Avalanche 1500 models feature a 31-gallon fuel capacity (approximate). With a highway MPG of 18 (2WD models), you get a highway driving range of more than 550 miles.



How many miles per gallon does a 2002 Avalanche 1500 get?


Fuel & MPG

Fuel typeRegular unleaded
EPA city/highway MPG13/17 MPG
EPA combined MPG14 MPG



Why did Chevy get rid of the Avalanche?


Buyers were offered the choice of two V8 engines: a 320-horsepower, 5.3-liter Vortec or a 6.0-liter beast that put out 366 horses. GM announced the end of Avalanche production after the 2013 model year, thanks to declining sales and GM's bankruptcy.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.