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GMC Sierra 1500 Fuel Economy (km/L)

km/L Number of Vehicles
7 kilometers per liter 1 vehicles
8 kilometers per liter 0 vehicles
9 kilometers per liter 0 vehicles
10 kilometers per liter 0 vehicles
11 kilometers per liter 0 vehicles
12 kilometers per liter 0 vehicles
13 kilometers per liter 0 vehicles
14 kilometers per liter 0 vehicles
15 kilometers per liter 0 vehicles
16 kilometers per liter 0 vehicles
17 kilometers per liter 0 vehicles
18 kilometers per liter 0 vehicles
19 kilometers per liter 0 vehicles
20 kilometers per liter 0 vehicles
21 kilometers per liter 0 vehicles
22 kilometers per liter 0 vehicles
23 kilometers per liter 0 vehicles
24 kilometers per liter 0 vehicles
25 kilometers per liter 0 vehicles
26 kilometers per liter 0 vehicles
27 kilometers per liter 0 vehicles
28 kilometers per liter 0 vehicles
29 kilometers per liter 0 vehicles
30 kilometers per liter 0 vehicles
31 kilometers per liter 0 vehicles
32 kilometers per liter 0 vehicles
33 kilometers per liter 0 vehicles
34 kilometers per liter 0 vehicles
35 kilometers per liter 0 vehicles
36 kilometers per liter 1 vehicles
37 kilometers per liter 3 vehicles
38 kilometers per liter 0 vehicles
39 kilometers per liter 0 vehicles
40 kilometers per liter 2 vehicles
41 kilometers per liter 1 vehicles
42 kilometers per liter 3 vehicles
43 kilometers per liter 0 vehicles
44 kilometers per liter 0 vehicles
45 kilometers per liter 0 vehicles
46 kilometers per liter 1 vehicles
Model Year Body/Powertrain km/L  
2005 2005 4dr Crew Cab 5.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range 38.1
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With the engine, transmission, and rear-wheel drive, the 2005 GMC Sierra 1500 has been averaging 38.1 L/100km (liters per 100 kilometers).

The 2005 GMC Sierra 1500s in this analysis were driven mostly on the highway at an average speed of 68 kilometers per hour (about 81 percent of the kilometers driven). The rest of the kilometers 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 37.73
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2005 2005 4dr Extended Cab 6.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range 41.18
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2005 2005 4dr Extended Cab 6.5ft bed 285-hp 4.8L V8 4-sp automatic 4WD w/low range 7.41
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2005 2005 2dr Regular Cab 6.5ft bed 285-hp 4.8L V8 4-sp automatic RWD 45.9
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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 (km/L)

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