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Model Year Body/Powertrain MPG  
2006 2006 4dr SUV 300-hp 5.3L V8 4-sp automatic RWD 17
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With the 300-horsepower 5.3L V8 engine, 4-speed automatic transmission, and rear-wheel drive, the 2006 GMC Envoy has been averaging 17 MPG (miles per gallon).

The 2006 GMC Envoys 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 (25 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).

In addition, the average 2006 GMC Envoy in this analysis was driven on flat terrain with a light foot and the AC on most or all of the time.
2006 2006 4dr SUV 285-hp 4.2L I6 4-sp automatic 4WD w/low range 16.55
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2006 2006 4dr SUV 285-hp 4.2L I6 4-sp automatic RWD 16.2
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2006 GMC Envoy 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 GMC Envoy's real-world MPG based on how and where you drive a car.

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