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Chevrolet TrailBlazer MPG

MPG Number of Vehicles
13 miles per gallon 1 vehicles
14 miles per gallon 0 vehicles
15 miles per gallon 0 vehicles
16 miles per gallon 2 vehicles
17 miles per gallon 0 vehicles
18 miles per gallon 1 vehicles
19 miles per gallon 0 vehicles
20 miles per gallon 1 vehicles
21 miles per gallon 1 vehicles
22 miles per gallon 1 vehicles
23 miles per gallon 1 vehicles
Model Year Body/Powertrain MPG  
2003 2003 4dr SUV, ext. 285-hp 4.2L I6 4-sp automatic 4WD w/low range 16
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With the 285-horsepower 4.2L I6 engine, 4-speed automatic transmission, and four-wheel drive w/low range, the 2003 Chevrolet TrailBlazer has been averaging 16 MPG (miles per gallon).

The 2003 Chevrolet TrailBlazers in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the city (30 percent), in heavy traffic (10 percent), and in the suburbs (0 percent).

In addition, the average 2003 Chevrolet TrailBlazer in this analysis was driven on flat terrain with a light foot and the AC not used at all.
2003 2003 4dr SUV 285-hp 4.2L I6 4-sp automatic 4WD w/low range 18.82
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2003 2003 4dr SUV 285-hp 4.2L I6 4-sp automatic RWD 18.8
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What Our Members Are Saying about the Real Gas Mileage of the 2003 Chevrolet TrailBlazer

2003 Chevrolet TrailBlazer Real Gas Mileage: Cons
YearBody/PowertrainComment
2004 4dr SUV, ext. 290-horsepower 5.3L V8
4-speed automatic 4WD w/low range
16 mpg nothing to write home about, but acceptable for a vehicle of this size, weight and capability. see full Chevrolet TrailBlazer review
2002 4dr SUV 270-horsepower 4.2L I6
4-speed automatic 4WD w/low range
I recently purchased slightly larger tires and my fuel economy is suffering by 10% compared to stock tires, but I was anticipating this anyway. see full Chevrolet TrailBlazer review
 

2003 Chevrolet TrailBlazer Gas Mileage (MPG)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Chevrolet TrailBlazer's real-world MPG based on how and where you drive a car.