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How many miles per gallon does a 2000 Chevy Blazer get?

In brief, a 2000 Chevy Blazer with the 4.3-liter V6 typically achieves about 15–19 mpg in city driving and 19–23 mpg on the highway, with 2WD models generally closer to the higher end and 4WD models closer to the lower end. Real-world results vary based on maintenance, tires, load, and driving style.


The 2000 Blazer shares its powertrain with GM’s GMT360 lineup and uses a 4.3L V6 paired with a four-speed automatic transmission. This article outlines typical fuel economy by configuration and the factors that influence it, to help owners set expectations and plan trips.


Typical MPG by Configuration


These figures reflect common EPA-style estimates and observed ranges for the 2000 Blazer’s engine and drivetrain. Actual mileage may differ based on maintenance, driving conditions, and load.



  • 2WD, 4.3L V6, automatic: approximately 17–19 mpg city / 23–25 mpg highway

  • 4WD, 4.3L V6, automatic: approximately 15–17 mpg city / 19–21 mpg highway


Real-world performance can vary significantly. Factors such as tire size, roof racks, towing load, and overall vehicle condition can pull numbers down, while regular maintenance and smoother driving can push them up.


Key factors that influence MPG



  • Engine condition and age (spark plugs, air filter, oil changes)

  • Tire type, size, and proper inflation

  • Vehicle load and aerodynamics (cargo, passengers, roof accessories)

  • Driving style and terrain (city stop-and-go vs. highway, hills)


Conclusion: For planning purposes, a 2000 Blazer’s mileage typically falls in the 15–19 mpg city and 19–23 mpg highway range, with 2WD models generally delivering better highway efficiency than 4WD versions.


Summary: The 2000 Chevy Blazer’s fuel economy varies by drivetrain and condition, but typical estimates place city mileage around 15–19 mpg and highway mileage around 19–23 mpg. Driving habits, maintenance, and load significantly influence actual results.

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.