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Mercury Mountaineer vs. GMC Sierra 1500 Fuel Economy (g/100m)

Chart is based on 13 fuel economy reports for the Mercury Mountaineer and 526 fuel economy reports for the GMC Sierra 1500.

Mercury Mountaineer g/100m

Mercury Mountaineer Mercury Mountaineer 2007 4.9 MPG Highway Percentage 70 percent Mercury Mountaineer Mercury Mountaineer 2006 6.5 MPG Highway Percentage 10 percent Mercury Mountaineer Mercury Mountaineer 2006 5.7 MPG Highway Percentage 67 percent Mercury Mountaineer Mercury Mountaineer 2005 8.7 MPG Highway Percentage 5 percent Mercury Mountaineer Mercury Mountaineer 2004 5.4 MPG Highway Percentage 83 percent Mercury Mountaineer Mercury Mountaineer 2004 8.0 MPG Highway Percentage 10 percent Mercury Mountaineer Mercury Mountaineer 2002 6.1 MPG Highway Percentage 51 percent Mercury Mountaineer Mercury Mountaineer 2002 6.5 MPG Highway Percentage 20 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd g/100m
2007 4dr SUV 210-horsepower 4.0L V6
5-speed automatic RWD
flat light hvy 0 0 30 70 63 4.9  
2006 4dr SUV 292-horsepower 4.6L V8
6-speed automatic AWD
flat med none 1 1 88 10 75 6.5  
2006 4dr SUV 210-horsepower 4.0L V6
5-speed automatic AWD
flat med none 5 7 22 67 68 5.7  
2005 4dr SUV 239-horsepower 4.6L V8
5-speed automatic RWD
flat light hvy 10 80 5 5 70 8.7  
2004 4dr SUV 239-horsepower 4.6L V8
5-speed automatic AWD
flat v.lt none 0 7 10 83 60 5.4  
2004 4dr SUV 210-horsepower 4.0L V6
5-speed automatic AWD
flat med none 40 30 20 10 60 8.0  
2002 4dr SUV 239-horsepower 4.6L V8
5-speed automatic AWD
flat med hvy 21 16 13 51 75 6.1  
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2002 4dr SUV 210-horsepower 4.0L V6
5-speed automatic AWD
flat light light 0 40 40 20 60 6.5  

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GMC Sierra 1500 g/100m

GMC Sierra 1500 GMC Sierra 1500 2021 4.1 MPG Highway Percentage 50 percent GMC Sierra 1500 GMC Sierra 1500 2018 4.6 MPG Highway Percentage 80 percent GMC Sierra 1500 GMC Sierra 1500 2015 4.8 MPG Highway Percentage 95 percent GMC Sierra 1500 GMC Sierra 1500 2015 31.1 MPG Highway Percentage 55 percent GMC Sierra 1500 GMC Sierra 1500 2014 5.3 MPG Highway Percentage 75 percent GMC Sierra 1500 GMC Sierra 1500 2014 4.2 MPG Highway Percentage 85 percent GMC Sierra 1500 GMC Sierra 1500 2011 6.1 MPG Highway Percentage 60 percent GMC Sierra 1500 GMC Sierra 1500 2011 5.5 MPG Highway Percentage 70 percent GMC Sierra 1500 GMC Sierra 1500 2011 6.6 MPG Highway Percentage 37 percent GMC Sierra 1500 GMC Sierra 1500 2010 13.4 MPG Highway Percentage 40 percent GMC Sierra 1500 GMC Sierra 1500 2010 5.4 MPG Highway Percentage 50 percent GMC Sierra 1500 GMC Sierra 1500 2010 5.6 MPG Highway Percentage 81 percent GMC Sierra 1500 GMC Sierra 1500 2009 5.8 MPG Highway Percentage 68 percent GMC Sierra 1500 GMC Sierra 1500 2009 6.5 MPG Highway Percentage 15 percent GMC Sierra 1500 GMC Sierra 1500 2009 32.9 MPG Highway Percentage 100 percent GMC Sierra 1500 GMC Sierra 1500 2009 5.8 MPG Highway Percentage 47 percent GMC Sierra 1500 GMC Sierra 1500 2008 27.3 MPG Highway Percentage 90 percent GMC Sierra 1500 GMC Sierra 1500 2008 5.9 MPG Highway Percentage 34 percent GMC Sierra 1500 GMC Sierra 1500 2008 5.9 MPG Highway Percentage 42 percent GMC Sierra 1500 GMC Sierra 1500 2008 5.6 MPG Highway Percentage 64 percent GMC Sierra 1500 GMC Sierra 1500 2008 40.1 MPG Highway Percentage 50 percent GMC Sierra 1500 GMC Sierra 1500 2008 4.5 MPG Highway Percentage 90 percent GMC Sierra 1500 GMC Sierra 1500 2008 5.1 MPG Highway Percentage 75 percent GMC Sierra 1500 GMC Sierra 1500 2007 7.1 MPG Highway Percentage 80 percent GMC Sierra 1500 GMC Sierra 1500 2007 5.7 MPG Highway Percentage 27 percent GMC Sierra 1500 GMC Sierra 1500 2007 7.1 MPG Highway Percentage 43 percent GMC Sierra 1500 GMC Sierra 1500 2007 5.5 MPG Highway Percentage 59 percent GMC Sierra 1500 GMC Sierra 1500 2007 6.1 MPG Highway Percentage 74 percent GMC Sierra 1500 GMC Sierra 1500 2007 5.5 MPG Highway Percentage 15 percent GMC Sierra 1500 GMC Sierra 1500 2007 5.5 MPG Highway Percentage 77 percent GMC Sierra 1500 GMC Sierra 1500 2007 6.0 MPG Highway Percentage 30 percent GMC Sierra 1500 GMC Sierra 1500 2006 37.6 MPG Highway Percentage 30 percent GMC Sierra 1500 GMC Sierra 1500 2006 5.4 MPG Highway Percentage 25 percent GMC Sierra 1500 GMC Sierra 1500 2006 6.5 MPG Highway Percentage 25 percent GMC Sierra 1500 GMC Sierra 1500 2006 6.0 MPG Highway Percentage 8 percent GMC Sierra 1500 GMC Sierra 1500 2005 6.2 MPG Highway Percentage 69 percent GMC Sierra 1500 GMC Sierra 1500 2005 5.7 MPG Highway Percentage 0 percent GMC Sierra 1500 GMC Sierra 1500 2005 31.8 MPG Highway Percentage 100 percent GMC Sierra 1500 GMC Sierra 1500 2005 6.2 MPG Highway Percentage 81 percent GMC Sierra 1500 GMC Sierra 1500 2005 5.1 MPG Highway Percentage 80 percent GMC Sierra 1500 GMC Sierra 1500 2003 5.8 MPG Highway Percentage 60 percent GMC Sierra 1500 GMC Sierra 1500 2003 44.2 MPG Highway Percentage 70 percent GMC Sierra 1500 GMC Sierra 1500 2003 6.0 MPG Highway Percentage 70 percent GMC Sierra 1500 GMC Sierra 1500 2001 6.8 MPG Highway Percentage 60 percent GMC Sierra 1500 GMC Sierra 1500 2001 7.1 MPG Highway Percentage 60 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd g/100m
2021 4dr Crew Cab 6ft bed turbocharged 277hp 3.0L V6 Diesel
10-speed shiftable automatic 4WD w/low range
flat light light 0 25 25 50 70 4.1  
2018 4dr Crew Cab 5.5ft bed 420-horsepower 6.2L V8
8-speed shiftable automatic 4WD w/low range
flat light light 0 5 15 80 70 4.6  
2015 4dr Crew Cab 5.5ft bed 420-horsepower 6.2L V8
8-speed shiftable automatic 4WD w/low range
flat med light 0 5 0 95 65 4.8  
2015 2dr Regular Cab 6.5ft bed 355-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range
flat med none 8 38 0 55 118 31.1  
2014 4dr Crew Cab 5.5ft bed 420-horsepower 6.2L V8
6-speed shiftable automatic 4WD w/low range
hills med none 0 0 25 75 75 5.3  
2014 4dr Crew Cab 5.5ft bed 355-horsepower 5.3L V8
6-speed shiftable automatic RWD
flat light hvy 5 10 0 85 63 4.2  
2011 4dr Extended Cab 6.5ft bed 403-horsepower 6.2L V8
6-speed shiftable automatic RWD
flat med light 5 10 25 60 75 6.1  
Looking for a warranty? Get a quote.
2011 4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8
6-speed shiftable automatic RWD
flat med hvy 5 0 25 70 60 5.5  
2011 4dr Extended Cab 6.5ft bed 302-horsepower 4.8L V8
4-speed automatic 4WD, part-time w/low range
hills light none 3 18 42 37 70 6.6  
2010 4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range
flat light light 10 35 15 40 71 13.4  
2010 4dr Crew Cab 5.5ft bed 403-horsepower 6.2L V8
6-speed shiftable automatic AWD
hills med light 0 25 25 50 60 5.4  
2010 2dr Regular Cab 6.5ft bed 302-horsepower 4.8L V8
4-speed automatic RWD
flat med light 18 1 0 81 68 5.6  
2009 4dr Extended Cab 6.5ft bed 367-horsepower 6.0L V8
6-speed shiftable automatic 4WD w/low range
flat med none 3 8 23 68 63 5.8  
2009 4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8
4-speed automatic 4WD, part-time w/low range
hills med none 5 80 0 15 75 6.5  
2009 4dr Crew Cab 5.5ft bed 367-horsepower 6.0L V8
6-speed shiftable automatic 4WD w/low range
flat light hvy 0 0 0 100 110 32.9  
2009 4dr Crew Cab 5.5ft bed 315-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range
flat light light 8 28 17 47 65 5.8  
2008 4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8
4-speed automatic RWD
flat light light 0 10 0 90 100 27.3  
2008 4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8
4-speed automatic 4WD w/low range
hills light light 17 22 27 34 60 5.9  
2008 4dr Extended Cab 5.5ft bed 315-horsepower 5.3L V8
4-speed automatic 4WD w/low range
hills light light 0 33 25 42 70 5.9  
2008 4dr Crew Cab 5.5ft bed 315-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat light none 9 0 27 64 60 5.6  
2008 4dr Crew Cab 5.5ft bed 295-horsepower 4.8L V8
4-speed automatic 4WD, part-time w/low range
hills lead none 18 0 33 50 115 40.1  
2008 2dr Regular Cab 8ft bed 295-horsepower 4.8L V8
4-speed automatic RWD
flat light light 0 0 10 90 65 4.5  
2008 2dr Regular Cab 6.5ft bed 195-horsepower 4.3L V6
4-speed automatic RWD
flat light none 5 10 10 75 60 5.1  
2007 4dr Extended Cab 6.5ft bed 367-horsepower 6.0L V8
4-speed automatic 4WD w/low range
hills light light 0 10 10 80 60 7.1  
2007 4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8
4-speed automatic RWD
flat light light 12 37 25 27 75 5.7  
2007 4dr Extended Cab 6.5ft bed 315-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat med light 5 0 53 43 70 7.1  
2007 4dr Crew Cab 5.5ft bed 367-horsepower 6.0L V8
4-speed automatic RWD
flat med light 5 30 7 59 70 5.5  
2007 4dr Crew Cab 5.5ft bed 367-horsepower 6.0L V8
4-speed automatic 4WD w/low range
flat med none 23 3 0 74 75 6.1  
2007 4dr Crew Cab 5.5ft bed 315-horsepower 5.3L V8
4-speed automatic 4WD, part-time w/low range
flat light light 10 30 45 15 60 5.5  
2007 4dr Crew Cab 5.5ft bed 315-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat light none 4 10 9 77 66 5.5  
2007 4dr Crew Cab 5.5ft bed 295-horsepower 4.8L V8
4-speed automatic RWD
flat med light 5 65 0 30 60 6.0  
2006 4dr Extended Cab 6.5ft bed 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat light none 30 20 20 30 100 37.6  
2006 4dr Extended Cab 5.5ft bed 295-horsepower 5.3L V8
4-speed automatic RWD
flat light light 10 40 25 25 65 5.4  
2006 4dr Crew Cab 5.5ft bed 345-horsepower 6.0L V8
4-speed automatic AWD
flat med none 5 20 50 25 65 6.5  
2006 4dr Crew Cab 5.5ft bed 310-horsepower 5.3L V8
4-speed automatic 4WD, part-time w/low range
flat light none 2 80 10 8 70 6.0  
2005 4dr Extended Cab 6.5ft bed 310-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat light light 7 11 13 69 62 6.2  
2005 4dr Extended Cab 6.5ft bed 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat med hvy 4 8 88 0 N/A 5.7  
2005 4dr Extended Cab 6.5ft bed 285-horsepower 4.8L V8
4-speed automatic 4WD w/low range
flat light light 0 0 0 100 110 31.8  
2005 4dr Crew Cab 5.5ft bed 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range
hills light light 0 10 10 81 68 6.2  
2005 2dr Regular Cab 6.5ft bed 285-horsepower 4.8L V8
4-speed automatic RWD
flat med hvy 0 2 18 80 65 5.1  
2003 4dr Extended Cab 6.5ft bed 285-horsepower 5.3L V8
4-speed automatic RWD
flat light light 13 13 13 60 60 5.8  
2003 4dr Extended Cab 6.5ft bed 285-horsepower 5.3L V8
4-speed automatic 4WD, part-time w/low range
hills v.lt none 0 20 10 70 100 44.2  
2003 4dr Extended Cab 6.5ft bed 285-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat light none 0 10 20 70 60 6.0  
2001 4dr Extended Cab 6.5ft bed 285-horsepower 5.3L V8
4-speed automatic 4WD, part-time w/low range
flat med none 0 40 0 60 70 6.8  
2001 2dr Regular Cab 6.5ft bed 270-horsepower 4.8L V8
4-speed automatic RWD
flat med light 0 40 0 60 110 7.1  

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This page shows only averages. See all the GMC Sierra 1500 fuel economy data.

Mercury Mountaineer vs. GMC Sierra 1500 Fuel Economy (g/100m)

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 Mercury Mountaineer and GMC Sierra 1500's where a car was driven. So you can get an idea of their real-world g/100m based on how and where you drive a car.

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What Our Members Are Saying about the Real Gas Mileage of the Mercury Mountaineer

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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