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BMW Z4 vs. Mercury Mariner Fuel Economy (km/L)

Chart is based on 87 fuel economy reports for the BMW Z4 and 35 fuel economy reports for the Mercury Mariner.

BMW Z4 km/L

BMW Z4 BMW Z4 2011 53.7 MPG Highway Percentage 45 percent BMW Z4 BMW Z4 2010 56.5 MPG Highway Percentage 20 percent BMW Z4 BMW Z4 2010 58.0 MPG Highway Percentage 77 percent BMW Z4 BMW Z4 2009 8.3 MPG Highway Percentage 19 percent BMW Z4 BMW Z4 2009 62.3 MPG Highway Percentage 55 percent BMW Z4 BMW Z4 2008 64.4 MPG Highway Percentage 100 percent BMW Z4 BMW Z4 2008 10.3 MPG Highway Percentage 80 percent BMW Z4 BMW Z4 2008 70.0 MPG Highway Percentage 75 percent BMW Z4 BMW Z4 2007 47.0 MPG Highway Percentage 42 percent BMW Z4 BMW Z4 2007 62.5 MPG Highway Percentage 69 percent BMW Z4 BMW Z4 2007 62.7 MPG Highway Percentage 47 percent BMW Z4 BMW Z4 2007 42.4 MPG Highway Percentage 27 percent BMW Z4 BMW Z4 2007 60.3 MPG Highway Percentage 25 percent BMW Z4 BMW Z4 2007 72.0 MPG Highway Percentage 70 percent BMW Z4 BMW Z4 2006 66.3 MPG Highway Percentage 25 percent BMW Z4 BMW Z4 2006 62.8 MPG Highway Percentage 50 percent BMW Z4 BMW Z4 2006 41.5 MPG Highway Percentage 20 percent BMW Z4 BMW Z4 2006 63.5 MPG Highway Percentage 55 percent BMW Z4 BMW Z4 2006 59.3 MPG Highway Percentage 32 percent BMW Z4 BMW Z4 2006 58.2 MPG Highway Percentage 55 percent BMW Z4 BMW Z4 2005 66.0 MPG Highway Percentage 75 percent BMW Z4 BMW Z4 2005 50.3 MPG Highway Percentage 43 percent BMW Z4 BMW Z4 2005 54.1 MPG Highway Percentage 20 percent BMW Z4 BMW Z4 2004 63.1 MPG Highway Percentage 21 percent BMW Z4 BMW Z4 2004 63.5 MPG Highway Percentage 67 percent BMW Z4 BMW Z4 2004 68.5 MPG Highway Percentage 10 percent BMW Z4 BMW Z4 2003 64.1 MPG Highway Percentage 53 percent BMW Z4 BMW Z4 2003 63.0 MPG Highway Percentage 20 percent BMW Z4 BMW Z4 2003 60.2 MPG Highway Percentage 40 percent BMW Z4 BMW Z4 2003 80.9 MPG Highway Percentage 68 percent BMW Z4 BMW Z4 2003 55.8 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 km/L
2011 2dr Hardtop conv. turbocharged 335hp 3.0L I6
7-speed automated manual RWD		 hills med light 0 20 35 45 70 53.7  
2010 2dr Hardtop conv. turbocharged 300hp 3.0L I6
7-speed automated manual RWD		 flat med light 5 15 60 20 80 56.5  
2010 2dr Hardtop conv. turbocharged 300hp 3.0L I6
6-speed manual RWD		 flat lead light 3 0 20 77 72 58.0  
2009 2dr Hardtop conv. turbocharged 300hp 3.0L I6
7-speed automated manual RWD		 hills med hvy 10 5 67 19 120 8.3  
2009 2dr Hardtop conv. 255-horsepower 3.0L I6
6-speed shiftable automatic RWD		 flat med hvy 9 9 27 55 70 62.3  
2008 2dr Hatch 330-horsepower 3.2L I6
6-speed manual RWD		 flat light light 0 0 0 100 73 64.4  
2008 2dr Convertible 255-horsepower 3.0L I6
6-speed shiftable automatic RWD		 flat light none 0 10 10 80 100 10.3  
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2008 2dr Convertible 215-horsepower 3.0L I6
6-speed shiftable automatic RWD		 flat med hvy 17 3 6 75 75 70.0  
2007 2dr Hatch 330-horsepower 3.2L I6
6-speed manual RWD		 flat med none 8 22 28 42 65 47.0  
2007 2dr Hatch 255-horsepower 3.0L I6
6-speed shiftable automatic RWD		 flat lead light 8 15 8 69 68 62.5  
2007 2dr Hatch 255-horsepower 3.0L I6
6-speed manual RWD		 flat med light 12 16 25 47 72 62.7  
2007 2dr Convertible 330-horsepower 3.2L I6
6-speed manual RWD		 flat lead none 50 17 7 27 75 42.4  
2007 2dr Convertible 255-horsepower 3.0L I6
6-speed manual RWD		 flat med light 7 22 47 25 60 60.3  
2007 2dr Convertible 215-horsepower 3.0L I6
6-speed shiftable automatic RWD		 flat light hvy 1 4 25 70 70 72.0  
2006 2dr Hatch 255-horsepower 3.0L I6
6-speed shiftable automatic RWD		 flat light none 0 15 60 25 70 66.3  
2006 2dr Hatch 255-horsepower 3.0L I6
6-speed manual RWD		 flat med light 10 10 30 50 65 62.8  
2006 2dr Convertible 330-horsepower 3.2L I6
6-speed manual RWD		 flat med none 8 46 25 20 78 41.5  
2006 2dr Convertible 255-horsepower 3.0L I6
6-speed shiftable automatic RWD		 flat med hvy 0 0 45 55 60 63.5  
2006 2dr Convertible 255-horsepower 3.0L I6
6-speed manual RWD		 flat med light 2 28 38 32 70 59.3  
2006 2dr Convertible 215-horsepower 3.0L I6
6-speed manual RWD		 flat med light 7 13 25 55 74 58.2  
2005 2dr Convertible 225-horsepower 3.0L I6
5-speed shiftable automatic RWD		 hills med light 1 1 23 75 65 66.0  
2005 2dr Convertible 184-horsepower 2.5L I6
5-speed shiftable automatic RWD		 flat lead hvy 15 25 18 43 60 50.3  
2005 2dr Convertible 184-horsepower 2.5L I6
5-speed manual RWD		 hills light none 10 40 30 20 65 54.1  
2004 2dr Convertible 225-horsepower 3.0L I6
6-speed manual RWD		 flat med none 4 20 55 21 67 63.1  
2004 2dr Convertible 184-horsepower 2.5L I6
5-speed shiftable automatic RWD		 flat med hvy 0 0 33 67 70 63.5  
2004 2dr Convertible 184-horsepower 2.5L I6
5-speed manual RWD		 flat light none 0 10 80 10 65 68.5  
2003 2dr Convertible 225-horsepower 3.0L I6
6-speed manual RWD		 flat med light 8 8 30 53 70 64.1  
2003 2dr Convertible 225-horsepower 3.0L I6
6-speed automated manual RWD		 flat light light 10 20 50 20 60 63.0  
2003 2dr Convertible 225-horsepower 3.0L I6
5-speed shiftable automatic RWD		 flat med light 20 20 20 40 60 60.2  
2003 2dr Convertible 184-horsepower 2.5L I6
6-speed automated manual RWD		 flat light light 8 5 20 68 70 80.9  
2003 2dr Convertible 184-horsepower 2.5L I6
5-speed manual RWD		 flat med none 2 7 31 60 77 55.8  

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This page shows only averages. See all the BMW Z4 fuel economy data.

Mercury Mariner km/L

Mercury Mariner Mercury Mariner 2011 44.4 MPG Highway Percentage 10 percent Mercury Mariner Mercury Mariner 2009 48.5 MPG Highway Percentage 30 percent Mercury Mariner Mercury Mariner 2009 83.5 MPG Highway Percentage 44 percent Mercury Mariner Mercury Mariner 2009 76.0 MPG Highway Percentage 60 percent Mercury Mariner Mercury Mariner 2008 51.7 MPG Highway Percentage 25 percent Mercury Mariner Mercury Mariner 2008 50.4 MPG Highway Percentage 33 percent Mercury Mariner Mercury Mariner 2008 72.3 MPG Highway Percentage 23 percent Mercury Mariner Mercury Mariner 2007 55.0 MPG Highway Percentage 61 percent Mercury Mariner Mercury Mariner 2007 70.2 MPG Highway Percentage 18 percent Mercury Mariner Mercury Mariner 2006 54.4 MPG Highway Percentage 45 percent Mercury Mariner Mercury Mariner 2006 50.6 MPG Highway Percentage 75 percent Mercury Mariner Mercury Mariner 2006 71.9 MPG Highway Percentage 31 percent Mercury Mariner Mercury Mariner 2005 49.4 MPG Highway Percentage 15 percent Mercury Mariner Mercury Mariner 2005 52.5 MPG Highway Percentage 75 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 km/L
2011 4dr SUV 240-horsepower 3.0L V6
6-speed automatic FWD		 flat v.lt none 30 30 30 10 60 44.4  
2009 4dr SUV 240-horsepower 3.0L V6
6-speed automatic FWD		 flat light light 20 20 30 30 70 48.5  
2009 4dr SUV 153-horsepower 2.5L I4 Hybrid
CVT FWD		 flat light light 11 13 31 44 60 83.5  
2009 4dr SUV 153-horsepower 2.5L I4 Hybrid
CVT AWD		 flat med light 30 0 10 60 80 76.0  
2008 4dr SUV 200-horsepower 3.0L V6
4-speed automatic FWD		 flat light light 0 45 30 25 70 51.7  
2008 4dr SUV 200-horsepower 3.0L V6
4-speed automatic AWD		 flat light none 0 8 60 33 60 50.4  
2008 4dr SUV 133-horsepower 2.3L I4 Hybrid
CVT AWD		 flat light hvy 5 18 55 23 65 72.3  
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2007 4dr SUV 200-horsepower 3.0L V6
4-speed automatic AWD		 flat light light 0 3 37 61 63 55.0  
2007 4dr SUV 133-horsepower 2.3L I4 Hybrid
CVT AWD		 flat light light 11 16 56 18 70 70.2  
2006 4dr SUV 200-horsepower 3.0L V6
4-speed automatic FWD		 flat light light 8 13 35 45 62 54.4  
2006 4dr SUV 200-horsepower 3.0L V6
4-speed automatic AWD		 flat med light 0 0 25 75 75 50.6  
2006 4dr SUV 133-horsepower 2.3L I4 Hybrid
CVT AWD		 hills light light 16 18 35 31 70 71.9  
2005 4dr SUV 200-horsepower 3.0L V6
4-speed automatic AWD		 flat light light 0 0 85 15 60 49.4  
2005 4dr SUV 153-horsepower 2.3L I4
4-speed automatic AWD		 flat v.lt light 3 13 8 75 67 52.5  

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This page shows only averages. See all the Mercury Mariner fuel economy data.

BMW Z4 vs. Mercury Mariner Fuel Economy (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 BMW Z4 and Mercury Mariner's where a car was driven. So you can get an idea of their real-world km/L based on how and where you drive a car.

See TrueDelta's information for all Hatchbacks and Convertibles.
See TrueDelta's information for all BMW models and Mercury models.

What Our Members Are Saying about the Real Gas Mileage of the BMW Z4

BMW Z4 Real Gas Mileage: Pros
YearBody/PowertrainComment
2007 2dr Hatch 255-horsepower 3.0L I6
6-speed manual RWD		 it gets better fuel economy than the M coupe, but still out performs the 2.5i and 3.0i models. see full BMW Z4 review
2007 2dr Convertible 215-horsepower 3.0L I6
6-speed shiftable automatic RWD		 Fuel economy is great. Getting 30 to 33 mpg on trips on 2 lane rural highways at 65 to 70 mph. see full BMW Z4 review
2006 2dr Convertible 215-horsepower 3.0L I6
6-speed manual RWD		 Around town I get about 23 mpg but on the open highway, get 30 to 32 mpg which is huge since the Z only uses premium grade gas. see full BMW Z4 review
2004 2dr Convertible 225-horsepower 3.0L I6
6-speed manual RWD		 Average 26-27mpg combined city/highway in daily commuter driving (no expressway)...even with some spirited driving. see full BMW Z4 review
BMW Z4 Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 2dr Hatch 330-horsepower 3.2L I6
6-speed manual RWD		 City driving only about 17 MPG; highway driving 21 MPG see full BMW Z4 review
 

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

Mercury Mariner Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 0 171-horsepower 2.5L I4
6-speed automatic FWD		 getting 31 mpg highway see full Mercury Mariner review
2009 4dr SUV 171-horsepower 2.5L I4
6-speed automatic FWD		 Has been very good and getting better see full Mercury Mariner review
2009 4dr SUV 240-horsepower 3.0L V6
6-speed automatic FWD		 Coming from a Trailblazer, we like the average of 21-22 MPG in mixed driving, as were used to about 17 MPG. Fuel economy climbs toward the rated 26 MPG the more highway driving we do. see full Mercury Mariner review
2007 4dr SUV 200-horsepower 3.0L V6
4-speed automatic AWD		 For the first almost three years after we got the car, it gave 21+ mpg in town & 24+ mpg on the road. see full Mercury Mariner review
2005 4dr SUV 153-horsepower 2.3L I4
4-speed automatic AWD		 For an SUV with a 4cyl and 4wd I get avg of 22 MPG mixed city and highway. I usually get 23-26 on freeway only. This is good. see full Mercury Mariner review
Mercury Mariner Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 4dr SUV 200-horsepower 3.0L V6
4-speed automatic AWD		 For some reason when new Michelin All Terrain tires with Nitrogen air replaced the Champions from the factory, it plummeted to 17 & 20 mpg. No explanation from Michelin, Costco or Ford/Mercury - they have no idea why. see full Mercury Mariner review