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GMC Sierra 1500 MPG

MPG Number of Vehicles
15 miles per gallon 1 vehicles
16 miles per gallon 3 vehicles
17 miles per gallon 4 vehicles
18 miles per gallon 3 vehicles
19 miles per gallon 0 vehicles
20 miles per gallon 1 vehicles
Model Year Body/Powertrain MPG  
2005 2005 4dr Crew Cab 5.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range 16.19
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With the engine, transmission, and rear-wheel drive, the 2005 GMC Sierra 1500 has been averaging 16.19 MPG (miles per gallon).

The 2005 GMC Sierra 1500s in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 81 percent of the miles driven). The rest of the miles were in the city (9.7 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).

In addition, the average 2005 GMC Sierra 1500 in this analysis was driven on hilly terrain with a light foot and the AC on only some of the time.
2005 2005 4dr Extended Cab 6.5ft bed 310-hp 5.3L V8 4-sp automatic 4WD w/low range 16.03
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2005 2005 4dr Extended Cab 6.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range 17.5
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2005 2005 4dr Extended Cab 6.5ft bed 285-hp 4.8L V8 4-sp automatic 4WD w/low range 17.4
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2005 2005 2dr Regular Cab 6.5ft bed 285-hp 4.8L V8 4-sp automatic RWD 19.5
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What Our Members Are Saying about the Real Gas Mileage of the 2005 GMC Sierra 1500

2005 GMC Sierra 1500 Real Gas Mileage: Pros
YearBody/PowertrainComment
2004 4dr Extended Cab 6.5ft bed 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range
Its great. see full GMC Sierra 1500 review
2005 GMC Sierra 1500 Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr Extended Cab 6.5ft bed 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range
Fuel economy is a suggestion - the truck, like all trucks, gets mediocre fuel economy. see full GMC Sierra 1500 review
 

2005 GMC Sierra 1500 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 Sierra 1500's real-world MPG based on how and where you drive a car.