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GMC Sierra 1500 Fuel Economy (L/100km)

L/100km Number of Vehicles
13 liters per 100 kilometers 1 vehicles
14 liters per 100 kilometers 1 vehicles
15 liters per 100 kilometers 2 vehicles
16 liters per 100 kilometers 1 vehicles
17 liters per 100 kilometers 1 vehicles
Model Year Body/Powertrain L/100km  
2011 2011 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 6-sp shiftable automatic RWD 12.9
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With the 265 kilowatts 5.3L V8 engine, 6-speed shiftable automatic transmission, and rear-wheel drive, the 2011 GMC Sierra 1500 has been averaging 12.9 L/100km (liters per 100 kilometers).

The 2011 GMC Sierra 1500s in this analysis were driven mostly on the highway at an average speed of 60 kilometers per hour (about 70 percent of the kilometers driven). The rest of the kilometers were in heavy traffic (5 percent), in the suburbs (0 percent), and in the city (0 percent).

In addition, the average 2011 GMC Sierra 1500 in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time.
2011 2011 4dr Extended Cab 6.5ft bed 403-hp 6.2L V8 6-sp shiftable automatic RWD 14.25
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2011 2011 4dr Extended Cab 6.5ft bed 302-hp 4.8L V8 4-sp automatic 4WD, part-time w/low range 15.53
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2011 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.