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GMC Sierra 1500 MPG

MPG Number of Vehicles
10 miles per gallon 2 vehicles
11 miles per gallon 13 vehicles
12 miles per gallon 19 vehicles
13 miles per gallon 64 vehicles
14 miles per gallon 168 vehicles
15 miles per gallon 134 vehicles
16 miles per gallon 42 vehicles
17 miles per gallon 26 vehicles
18 miles per gallon 24 vehicles
19 miles per gallon 14 vehicles
20 miles per gallon 10 vehicles
21 miles per gallon 1 vehicles
22 miles per gallon 1 vehicles
23 miles per gallon 0 vehicles
24 miles per gallon 0 vehicles
25 miles per gallon 2 vehicles
26 miles per gallon 0 vehicles
27 miles per gallon 0 vehicles
28 miles per gallon 0 vehicles
29 miles per gallon 0 vehicles
30 miles per gallon 1 vehicles
31 miles per gallon 0 vehicles
32 miles per gallon 0 vehicles
33 miles per gallon 0 vehicles
34 miles per gallon 0 vehicles
35 miles per gallon 0 vehicles
36 miles per gallon 0 vehicles
37 miles per gallon 0 vehicles
38 miles per gallon 0 vehicles
39 miles per gallon 0 vehicles
40 miles per gallon 0 vehicles
41 miles per gallon 0 vehicles
42 miles per gallon 0 vehicles
43 miles per gallon 0 vehicles
44 miles per gallon 0 vehicles
45 miles per gallon 0 vehicles
46 miles per gallon 0 vehicles
47 miles per gallon 0 vehicles
48 miles per gallon 0 vehicles
49 miles per gallon 0 vehicles
50 miles per gallon 0 vehicles
51 miles per gallon 0 vehicles
52 miles per gallon 0 vehicles
53 miles per gallon 0 vehicles
54 miles per gallon 0 vehicles
55 miles per gallon 0 vehicles
56 miles per gallon 0 vehicles
57 miles per gallon 0 vehicles
58 miles per gallon 0 vehicles
59 miles per gallon 0 vehicles
60 miles per gallon 0 vehicles
61 miles per gallon 0 vehicles
62 miles per gallon 0 vehicles
63 miles per gallon 0 vehicles
64 miles per gallon 0 vehicles
65 miles per gallon 0 vehicles
66 miles per gallon 0 vehicles
67 miles per gallon 0 vehicles
68 miles per gallon 0 vehicles
69 miles per gallon 0 vehicles
70 miles per gallon 0 vehicles
71 miles per gallon 0 vehicles
72 miles per gallon 0 vehicles
73 miles per gallon 0 vehicles
74 miles per gallon 0 vehicles
75 miles per gallon 0 vehicles
76 miles per gallon 0 vehicles
77 miles per gallon 0 vehicles
78 miles per gallon 1 vehicles
Model Year Body/Powertrain MPG  
2015 2015 4dr Crew Cab 5.5ft bed 420-hp 6.2L V8 8-sp shiftable automatic 4WD w/low range 20.94
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With the 420-horsepower 6.2L V8 engine, 8-speed shiftable automatic transmission, and four-wheel drive w/low range, the 2015 GMC Sierra 1500 has been averaging 20.94 MPG (miles per gallon).

The 2015 GMC Sierra 1500s in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 95 percent of the miles driven). The rest of the miles were in the city (5 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).

In addition, the average 2015 GMC Sierra 1500 in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
2015 2015 2dr Regular Cab 6.5ft bed 355-hp 5.3L V8 6-sp shiftable automatic 4WD w/low range 18.73
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2014 2014 4dr Crew Cab 5.5ft bed 420-hp 6.2L V8 8-sp shiftable automatic 4WD w/low range 18.95
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2014 2014 4dr Crew Cab 5.5ft bed 315-hp 5.3L V8 6-sp shiftable automatic RWD 25
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2011 2011 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 6-sp shiftable automatic RWD 18.29
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2011 2011 4dr Extended Cab 6.5ft bed 403-hp 6.2L V8 6-sp shiftable automatic RWD 16.5
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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 15.19
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2010 2010 4dr Crew Cab 5.5ft bed 403-hp 6.2L V8 6-sp shiftable automatic AWD 18.5
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2010 2010 4dr Extended Cab 6.5ft bed 355-hp 5.3L V8 6-sp shiftable automatic 4WD w/low range 16.77
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2010 2010 2dr Regular Cab 6.5ft bed 302-hp 4.8L V8 4-sp automatic RWD 18
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2009 2009 4dr Crew Cab 5.5ft bed 355-hp 5.3L V8 6-sp shiftable automatic 4WD w/low range 17.9
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2009 2009 4dr Crew Cab 5.5ft bed 367-hp 6.0L V8 6-sp shiftable automatic 4WD w/low range 16.2
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2009 2009 4dr Extended Cab 6.5ft bed 367-hp 6.0L V8 6-sp shiftable automatic 4WD w/low range 17.3
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2009 2009 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range 15.4
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2008 2008 4dr Crew Cab 5.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD w/low range 17.9
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2008 2008 4dr Crew Cab 5.5ft bed 302-hp 4.8L V8 4-sp automatic 4WD, part-time w/low range 14
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2008 2008 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD w/low range 17
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2008 2008 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 4-sp automatic RWD 20.3
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2008 2008 4dr Extended Cab 5.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD w/low range 17
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2008 2008 2dr Regular Cab 8ft bed 302-hp 4.8L V8 4-sp automatic RWD 22
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2008 2008 2dr Regular Cab 6.5ft bed 195-hp 4.3L V6 4-sp automatic RWD 19.5
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2007 2007 4dr Crew Cab 5.5ft bed 367-hp 6.0L V8 6-sp shiftable automatic 4WD w/low range 16.53
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2007 2007 4dr Crew Cab 5.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD w/low range 18.35
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2007 2007 4dr Crew Cab 5.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range 18.1
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2007 2007 4dr Crew Cab 5.5ft bed 302-hp 4.8L V8 4-sp automatic RWD 16.7
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2007 2007 4dr Extended Cab 6.5ft bed 367-hp 6.0L V8 6-sp shiftable automatic 4WD w/low range 14.1
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2007 2007 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD w/low range 14.12
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2007 2007 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 4-sp automatic RWD 17.67
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2006 2006 4dr Crew Cab 5.5ft bed 345-hp 6.0L V8 4-sp automatic AWD 15.3
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2006 2006 4dr Crew Cab 5.5ft bed 310-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range 16.8
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2006 2006 4dr Extended Cab 6.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range 14.7
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2006 2006 4dr Extended Cab 5.5ft bed 295-hp 5.3L V8 4-sp automatic RWD 18.5
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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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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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2003 2003 4dr Extended Cab 6.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range 16.8
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2003 2003 4dr Extended Cab 6.5ft bed 285-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range 12.5
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2003 2003 4dr Extended Cab 6.5ft bed 295-hp 5.3L V8 4-sp automatic RWD 17.33
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2001 2001 4dr Extended Cab 6.5ft bed 285-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range 14.89
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2001 2001 2dr Regular Cab 6.5ft bed 285-hp 4.8L V8 4-sp automatic RWD 77.8
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What Our Members Are Saying about the Real Gas Mileage of the GMC Sierra 1500

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
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
 

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.