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Chevrolet TrailBlazer vs. Mercury Grand Marquis MPG

Chart is based on 99 fuel economy reports for the Chevrolet TrailBlazer and 67 fuel economy reports for the Mercury Grand Marquis.

Chevrolet TrailBlazer MPG

Chevrolet TrailBlazer Chevrolet TrailBlazer 2008 19.3 MPG Highway Percentage 50 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2008 17.9 MPG Highway Percentage 59 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2007 14.2 MPG Highway Percentage 47 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2007 18.7 MPG Highway Percentage 68 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2006 15.6 MPG Highway Percentage 72 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2006 14.0 MPG Highway Percentage 8 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2006 15.3 MPG Highway Percentage 56 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2006 19.5 MPG Highway Percentage 65 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2006 18.5 MPG Highway Percentage 53 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2005 18.0 MPG Highway Percentage 45 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2005 16.5 MPG Highway Percentage 15 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2004 17.2 MPG Highway Percentage 60 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2004 17.3 MPG Highway Percentage 64 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2003 16.0 MPG Highway Percentage 50 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2003 18.8 MPG Highway Percentage 45 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2003 18.8 MPG Highway Percentage 53 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2002 16.5 MPG Highway Percentage 10 percent Chevrolet TrailBlazer Chevrolet TrailBlazer 2002 17.6 MPG Highway Percentage 64 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 MPG
2008 4dr SUV 285-horsepower 4.2L I6
4-speed automatic RWD
hills med light 3 45 3 50 110 19.3  
2008 4dr SUV 285-horsepower 4.2L I6
4-speed automatic 4WD w/low range
hills med none 3 14 24 59 69 17.9  
2007 4dr SUV 395-horsepower 6.0L V8
4-speed automatic AWD
flat med none 35 5 13 47 75 14.2  
2007 4dr SUV 291-horsepower 4.2L I6
4-speed automatic 4WD w/low range
hills light none 3 8 21 68 63 18.7  
2006 4dr SUV, ext. 291-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light light 0 14 14 72 67 15.6  
2006 4dr SUV 395-horsepower 6.0L V8
4-speed automatic RWD
flat lead hvy 25 15 53 8 75 14.0  
2006 4dr SUV 395-horsepower 6.0L V8
4-speed automatic AWD
flat med none 13 23 9 56 72 15.3  
Looking for a warranty? Get a quote.
2006 4dr SUV 291-horsepower 4.2L I6
4-speed automatic RWD
flat light none 10 10 15 65 60 19.5  
2006 4dr SUV 291-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat med light 17 21 10 53 65 18.5  
2005 4dr SUV, ext. 300-horsepower 5.3L V8
4-speed automatic 4WD w/low range
hills med none 13 25 18 45 73 18.0  
2005 4dr SUV 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light light 10 1 75 15 62 16.5  
2004 4dr SUV 275-horsepower 4.2L I6
4-speed automatic RWD
flat med hvy 40 0 0 60 65 17.2  
2004 4dr SUV 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
hills med none 2 32 1 64 82 17.3  
2003 4dr SUV, ext. 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light none 10 30 10 50 60 16.0  
2003 4dr SUV 275-horsepower 4.2L I6
4-speed automatic RWD
flat v.lt light 5 20 30 45 60 18.8  
2003 4dr SUV 275-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat light none 4 23 20 53 62 18.8  
2002 4dr SUV 270-horsepower 4.2L I6
4-speed automatic RWD
flat med none 0 25 65 10 65 16.5  
2002 4dr SUV 270-horsepower 4.2L I6
4-speed automatic 4WD w/low range
flat med none 2 3 31 64 60 17.6  

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Mercury Grand Marquis MPG

Mercury Grand Marquis Mercury Grand Marquis 2010 25.3 MPG Highway Percentage 90 percent Mercury Grand Marquis Mercury Grand Marquis 2009 19.0 MPG Highway Percentage 75 percent Mercury Grand Marquis Mercury Grand Marquis 2005 23.8 MPG Highway Percentage 75 percent Mercury Grand Marquis Mercury Grand Marquis 2004 25.7 MPG Highway Percentage 92 percent Mercury Grand Marquis Mercury Grand Marquis 2004 23.4 MPG Highway Percentage 30 percent Mercury Grand Marquis Mercury Grand Marquis 2003 21.8 MPG Highway Percentage 87 percent Mercury Grand Marquis Mercury Grand Marquis 2003 18.5 MPG Highway Percentage 40 percent Mercury Grand Marquis Mercury Grand Marquis 2002 22.0 MPG Highway Percentage 31 percent Mercury Grand Marquis Mercury Grand Marquis 2002 20.3 MPG Highway Percentage 10 percent Mercury Grand Marquis Mercury Grand Marquis 2000 21.8 MPG Highway Percentage 50 percent Mercury Grand Marquis Mercury Grand Marquis 2000 21.9 MPG Highway Percentage 55 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 MPG
2010 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med light 0 0 10 90 70 25.3  
2009 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 5 5 15 75 70 19.0  
2005 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med none 5 5 15 75 60 23.8  
2004 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med none 1 3 3 92 73 25.7  
2004 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat med light 5 5 60 30 70 23.4  
2003 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 0 1 12 87 75 21.8  
2003 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
flat light light 15 26 19 40 68 18.5  
Looking for a warranty? Get a quote.
2002 4dr Sedan 235-horsepower 4.6L V8
4-speed automatic RWD
flat light light 22 23 23 31 60 22.0  
2002 4dr Sedan 220-horsepower 4.6L V8
4-speed automatic RWD
flat light hvy 5 25 60 10 60 20.3  
2000 4dr Sedan 215-horsepower 4.6L V8
4-speed automatic RWD
flat med hvy 0 0 50 50 70 21.8  
2000 4dr Sedan 200-horsepower 4.6L V8
4-speed automatic RWD
flat light none 1 4 40 55 61 21.9  

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Chevrolet TrailBlazer vs. Mercury Grand Marquis 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 Chevrolet TrailBlazer and Mercury Grand Marquis's where a car was driven. So you can get an idea of their real-world MPG based on how and where you drive a car.

See TrueDelta's information for all SUVs
See TrueDelta's information for all Chevrolet models and Mercury models.

What Our Members Are Saying about the Real Gas Mileage of the Chevrolet TrailBlazer

Chevrolet TrailBlazer Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 4dr SUV 291-horsepower 4.2L I6
4-speed automatic 4WD w/low range
Avg. 15.5 in mostly in town driving. 21.0 best on long trip with light load. see full Chevrolet TrailBlazer review
2004 4dr SUV, ext. 290-horsepower 5.3L V8
4-speed automatic 4WD w/low range
16 mpg nothing to write home about, but acceptable for a vehicle of this size, weight and capability. see full Chevrolet TrailBlazer review
2002 4dr SUV 270-horsepower 4.2L I6
4-speed automatic 4WD w/low range
I recently purchased slightly larger tires and my fuel economy is suffering by 10% compared to stock tires, but I was anticipating this anyway. see full Chevrolet TrailBlazer review
 

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

Mercury Grand Marquis Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr Sedan 224-horsepower 4.6L V8
4-speed automatic RWD
Incredible- 21mpg city, 27mpg HWY see full Mercury Grand Marquis review
Mercury Grand Marquis Real Gas Mileage: Cons
YearBody/PowertrainComment
2005 4dr Sedan 239-horsepower 4.6L V8
4-speed automatic RWD
The V-8 is thirsty for city driving. The extra power would be nice for highway & mountain driving, though. see full Mercury Grand Marquis review