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GMC Sierra 1500 Fuel Economy (L/100km)

L/100km Number of Vehicles
12 liters per 100 kilometers 5 vehicles
13 liters per 100 kilometers 17 vehicles
14 liters per 100 kilometers 6 vehicles
15 liters per 100 kilometers 2 vehicles
16 liters per 100 kilometers 1 vehicles
17 liters per 100 kilometers 0 vehicles
18 liters per 100 kilometers 1 vehicles
Model Year Body/Powertrain L/100km  
2010 2010 4dr Crew Cab 5.5ft bed 403-hp 6.2L V8 6-sp shiftable automatic AWD 12.7
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With the 313 kilowatts 6.2L V8 engine, 6-speed shiftable automatic transmission, and all-wheel drive, the 2010 GMC Sierra 1500 has been averaging 12.7 L/100km (liters per 100 kilometers).

The 2010 GMC Sierra 1500s in this analysis were driven mostly on the highway at an average speed of 60 kilometers per hour (about 50 percent of the kilometers driven). The rest of the kilometers were in the city (25 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).

In addition, the average 2010 GMC Sierra 1500 in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time.
2010 2010 4dr Extended Cab 6.5ft bed 355-hp 5.3L V8 6-sp shiftable automatic 4WD w/low range 15.18
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2010 2010 2dr Regular Cab 6.5ft bed 302-hp 4.8L V8 4-sp automatic RWD 13.11
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2010 GMC Sierra 1500 Gas Mileage (L/100km)

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 L/100km based on how and where you drive a car.