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GMC Sierra 1500 Fuel Economy (L/100km)

L/100km	Number of Vehicles
3 liters per 100 kilometers	1 vehicles
4 liters per 100 kilometers	0 vehicles
5 liters per 100 kilometers	0 vehicles
6 liters per 100 kilometers	0 vehicles
7 liters per 100 kilometers	0 vehicles
8 liters per 100 kilometers	1 vehicles
9 liters per 100 kilometers	1 vehicles
10 liters per 100 kilometers	2 vehicles
11 liters per 100 kilometers	3 vehicles
12 liters per 100 kilometers	17 vehicles
13 liters per 100 kilometers	32 vehicles
14 liters per 100 kilometers	32 vehicles
15 liters per 100 kilometers	55 vehicles
16 liters per 100 kilometers	149 vehicles
17 liters per 100 kilometers	135 vehicles
18 liters per 100 kilometers	55 vehicles
19 liters per 100 kilometers	22 vehicles
20 liters per 100 kilometers	6 vehicles
21 liters per 100 kilometers	11 vehicles
22 liters per 100 kilometers	2 vehicles
23 liters per 100 kilometers	2 vehicles

Model Year	Body/Powertrain	L/100km
2021	2021 4dr Crew Cab 6ft bed turbocharged 277hp 3.0L V6 Diesel 10-sp shiftable automatic 4WD w/low range	9.6	See all data
With the turbocharged 227kW 3.0L I4 Diesel engine, 10-speed shiftable automatic transmission, and four-wheel drive w/low range, the 2021 GMC Sierra 1500 has been averaging 9.6 L/100km (liters per 100 kilometers). The 2021 GMC Sierra 1500s in this analysis were driven mostly on the highway at an average speed of 70 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 2021 GMC Sierra 1500 in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
2018	2018 4dr Crew Cab 5.5ft bed 420-hp 6.2L V8 8-sp shiftable automatic 4WD w/low range	10.7	See all data

2015	2015 4dr Crew Cab 5.5ft bed 420-hp 6.2L V8 8-sp shiftable automatic 4WD w/low range	11.2	See all data

2015	2015 2dr Regular Cab 6.5ft bed 355-hp 5.3L V8 6-sp shiftable automatic 4WD w/low range	13.23	See all data

2014	2014 4dr Crew Cab 5.5ft bed 420-hp 6.2L V8 8-sp shiftable automatic 4WD w/low range	12.4	See all data

2014	2014 4dr Crew Cab 5.5ft bed 315-hp 5.3L V8 6-sp shiftable automatic RWD	9.8	See all data

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2011	2011 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 6-sp shiftable automatic RWD	12.9	See all data

2011	2011 4dr Extended Cab 6.5ft bed 403-hp 6.2L V8 6-sp shiftable automatic RWD	14.25	See all data

2011	2011 4dr Extended Cab 6.5ft bed 302-hp 4.8L V8 4-sp automatic 4WD, part-time w/low range	15.53	See all data

2010	2010 4dr Crew Cab 5.5ft bed 403-hp 6.2L V8 6-sp shiftable automatic AWD	12.7	See all data

2010	2010 4dr Extended Cab 6.5ft bed 355-hp 5.3L V8 6-sp shiftable automatic 4WD w/low range	15.18	See all data

2010	2010 2dr Regular Cab 6.5ft bed 302-hp 4.8L V8 4-sp automatic RWD	13.11	See all data

2009	2009 4dr Crew Cab 5.5ft bed 355-hp 5.3L V8 6-sp shiftable automatic 4WD w/low range	13.6	See all data

2009	2009 4dr Crew Cab 5.5ft bed 367-hp 6.0L V8 6-sp shiftable automatic 4WD w/low range	14.55	See all data

2009	2009 4dr Extended Cab 6.5ft bed 367-hp 6.0L V8 6-sp shiftable automatic 4WD w/low range	13.65	See all data

2009	2009 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range	15.3	See all data

2008	2008 4dr Crew Cab 5.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD w/low range	13.1	See all data

2008	2008 4dr Crew Cab 5.5ft bed 302-hp 4.8L V8 4-sp automatic 4WD, part-time w/low range	17.05	See all data

2008	2008 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD w/low range	13.8	See all data

2008	2008 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 4-sp automatic RWD	11.6	See all data

2008	2008 4dr Extended Cab 5.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD w/low range	13.8	See all data

2008	2008 2dr Regular Cab 8ft bed 302-hp 4.8L V8 4-sp automatic RWD	10.7	See all data

2008	2008 2dr Regular Cab 6.5ft bed 195-hp 4.3L V6 4-sp automatic RWD	12.1	See all data

2007	2007 4dr Crew Cab 5.5ft bed 367-hp 6.0L V8 6-sp shiftable automatic 4WD w/low range	14.22	See all data

2007	2007 4dr Crew Cab 5.5ft bed 367-hp 6.0L V8 4-sp automatic RWD	13	See all data

2007	2007 4dr Crew Cab 5.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD w/low range	12.85	See all data

2007	2007 4dr Crew Cab 5.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range	13	See all data

2007	2007 4dr Crew Cab 5.5ft bed 302-hp 4.8L V8 4-sp automatic RWD	14.1	See all data

2007	2007 4dr Extended Cab 6.5ft bed 367-hp 6.0L V8 6-sp shiftable automatic 4WD w/low range	16.7	See all data

2007	2007 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 4-sp automatic 4WD w/low range	16.77	See all data

2007	2007 4dr Extended Cab 6.5ft bed 315-hp 5.3L V8 4-sp automatic RWD	13.4	See all data

2006	2006 4dr Crew Cab 5.5ft bed 345-hp 6.0L V8 4-sp automatic AWD	15.4	See all data

2006	2006 4dr Crew Cab 5.5ft bed 310-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range	14	See all data

2006	2006 4dr Extended Cab 6.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range	16	See all data

2006	2006 4dr Extended Cab 5.5ft bed 295-hp 5.3L V8 4-sp automatic RWD	12.7	See all data

2005	2005 4dr Crew Cab 5.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range	14.6	See all data

2005	2005 4dr Extended Cab 6.5ft bed 310-hp 5.3L V8 4-sp automatic 4WD w/low range	14.7	See all data

2005	2005 4dr Extended Cab 6.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range	13.43	See all data

2005	2005 4dr Extended Cab 6.5ft bed 285-hp 4.8L V8 4-sp automatic 4WD w/low range	13.5	See all data

2005	2005 2dr Regular Cab 6.5ft bed 285-hp 4.8L V8 4-sp automatic RWD	12.1	See all data

2003	2003 4dr Extended Cab 6.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range	14	See all data

2003	2003 4dr Extended Cab 6.5ft bed 285-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range	18.8	See all data

2003	2003 4dr Extended Cab 6.5ft bed 295-hp 5.3L V8 4-sp automatic RWD	13.57	See all data

2001	2001 4dr Extended Cab 6.5ft bed 285-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range	16.05	See all data

2001	2001 2dr Regular Cab 6.5ft bed 285-hp 4.8L V8 4-sp automatic RWD	3.02	See all data

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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
Year	Body/Powertrain	Comment
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
Year	Body/Powertrain	Comment
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 Fuel Economy (L/100km)

What Our Members Are Saying about the Real Gas Mileage of the GMC Sierra 1500

GMC Sierra 1500 Gas Mileage (L/100km)