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BMW X5 vs. Porsche Boxster MPG

Chart is based on 103 fuel economy reports for the BMW X5 and 101 fuel economy reports for the Porsche Boxster.

BMW X5 MPG

BMW X5 BMW X5 2018 16.0 MPG Highway Percentage 5 percent BMW X5 BMW X5 2015 27.7 MPG Highway Percentage 50 percent BMW X5 BMW X5 2012 24.5 MPG Highway Percentage 90 percent BMW X5 BMW X5 2012 21.8 MPG Highway Percentage 10 percent BMW X5 BMW X5 2011 19.2 MPG Highway Percentage 5 percent BMW X5 BMW X5 2011 22.8 MPG Highway Percentage 35 percent BMW X5 BMW X5 2010 21.2 MPG Highway Percentage 22 percent BMW X5 BMW X5 2009 21.8 MPG Highway Percentage 20 percent BMW X5 BMW X5 2009 21.9 MPG Highway Percentage 9 percent BMW X5 BMW X5 2009 14.4 MPG Highway Percentage 25 percent BMW X5 BMW X5 2008 21.2 MPG Highway Percentage 68 percent BMW X5 BMW X5 2007 16.0 MPG Highway Percentage 40 percent BMW X5 BMW X5 2007 18.9 MPG Highway Percentage 43 percent BMW X5 BMW X5 2006 17.5 MPG Highway Percentage 46 percent BMW X5 BMW X5 2006 19.3 MPG Highway Percentage 43 percent BMW X5 BMW X5 2005 18.2 MPG Highway Percentage 47 percent BMW X5 BMW X5 2005 19.4 MPG Highway Percentage 49 percent BMW X5 BMW X5 2004 17.0 MPG Highway Percentage 63 percent BMW X5 BMW X5 2004 17.8 MPG Highway Percentage 40 percent BMW X5 BMW X5 2004 20.0 MPG Highway Percentage 60 percent BMW X5 BMW X5 2003 16.7 MPG Highway Percentage 41 percent BMW X5 BMW X5 2003 20.9 MPG Highway Percentage 58 percent BMW X5 BMW X5 2002 14.2 MPG Highway Percentage 40 percent BMW X5 BMW X5 2002 17.4 MPG Highway Percentage 60 percent BMW X5 BMW X5 2002 19.0 MPG Highway Percentage 34 percent BMW X5 BMW X5 2001 20.6 MPG Highway Percentage 72 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
2018 4dr SUV turbocharged 445hp 4.4L V8
8-speed shiftable automatic AWD		 flat light none 0 5 90 5 40 16.0  
2015 4dr SUV turbocharged 255hp 3.0L I6 Diesel
8-speed shiftable automatic AWD		 flat med light 0 40 10 50 120 27.7  
2012 4dr SUV turbocharged 300hp 3.0L I6
8-speed shiftable automatic AWD		 flat med none 0 0 10 90 75 24.5  
2012 4dr SUV turbocharged 265hp 3.0L I6 Diesel
6-speed shiftable automatic AWD		 hills light none 20 55 15 10 90 21.8  
2011 4dr SUV turbocharged 300hp 3.0L I6
8-speed shiftable automatic AWD		 flat light light 10 80 5 5 60 19.2  
2011 4dr SUV turbocharged 265hp 3.0L I6 Diesel
6-speed shiftable automatic AWD		 flat med light 4 34 28 35 75 22.8  
2010 4dr SUV turbocharged 265hp 3.0L I6 Diesel
6-speed shiftable automatic AWD		 flat med none 7 38 32 22 79 21.2  
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2009 4dr SUV turbocharged 282hp 3.0L I6 Diesel
6-speed shiftable automatic AWD		 flat light light 0 10 70 20 100 21.8  
2009 4dr SUV turbocharged 265hp 3.0L I6 Diesel
6-speed shiftable automatic AWD		 flat light light 2 69 20 9 64 21.9  
2009 4dr SUV 260-horsepower 3.0L I6
6-speed shiftable automatic AWD		 flat med light 5 30 40 25 90 14.4  
2008 4dr SUV 260-horsepower 3.0L I6
6-speed shiftable automatic AWD		 flat light light 5 9 18 68 63 21.2  
2007 4dr SUV 350-horsepower 4.8L V8
6-speed shiftable automatic AWD		 flat med light 3 0 57 40 70 16.0  
2007 4dr SUV 260-horsepower 3.0L I6
6-speed shiftable automatic AWD		 flat med light 25 0 33 43 86 18.9  
2006 4dr SUV 315-horsepower 4.4L V8
6-speed shiftable automatic AWD		 flat med none 19 22 13 46 61 17.5  
2006 4dr SUV 225-horsepower 3.0L I6
5-speed shiftable automatic AWD		 flat med light 10 13 33 43 62 19.3  
2005 4dr SUV 315-horsepower 4.4L V8
6-speed shiftable automatic AWD		 flat med light 16 24 13 47 86 18.2  
2005 4dr SUV 225-horsepower 3.0L I6
5-speed shiftable automatic AWD		 flat med hvy 0 50 2 49 73 19.4  
2004 4dr SUV 315-horsepower 4.4L V8
6-speed shiftable automatic AWD		 flat med light 2 5 30 63 70 17.0  
2004 4dr SUV 225-horsepower 3.0L I6
6-speed manual AWD		 flat med light 20 20 20 40 70 17.8  
2004 4dr SUV 225-horsepower 3.0L I6
5-speed shiftable automatic AWD		 flat light none 0 0 40 60 60 20.0  
2003 4dr SUV 282-horsepower 4.4L V8
5-speed shiftable automatic AWD		 hills med none 3 20 37 41 75 16.7  
2003 4dr SUV 225-horsepower 3.0L I6
5-speed shiftable automatic AWD		 flat light none 6 15 21 58 75 20.9  
2002 4dr SUV 340-horsepower 4.6L V8
5-speed shiftable automatic AWD		 flat med none 10 10 40 40 60 14.2  
2002 4dr SUV 282-horsepower 4.4L V8
5-speed shiftable automatic AWD		 flat med light 2 35 3 60 62 17.4  
2002 4dr SUV 225-horsepower 3.0L I6
5-speed shiftable automatic AWD		 flat med light 33 32 2 34 65 19.0  
2001 4dr SUV 282-horsepower 4.4L V8
5-speed shiftable automatic AWD		 flat light light 2 25 2 72 67 20.6  

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This page shows only averages. See all the BMW X5 fuel economy data.

Porsche Boxster MPG

Porsche Boxster Porsche Boxster 2013 20.7 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2011 16.0 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2010 20.8 MPG Highway Percentage 38 percent Porsche Boxster Porsche Boxster 2010 24.2 MPG Highway Percentage 75 percent Porsche Boxster Porsche Boxster 2008 21.5 MPG Highway Percentage 27 percent Porsche Boxster Porsche Boxster 2008 21.8 MPG Highway Percentage 3 percent Porsche Boxster Porsche Boxster 2007 25.8 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2007 16.0 MPG Highway Percentage 4 percent Porsche Boxster Porsche Boxster 2007 26.1 MPG Highway Percentage 55 percent Porsche Boxster Porsche Boxster 2006 21.4 MPG Highway Percentage 63 percent Porsche Boxster Porsche Boxster 2005 22.4 MPG Highway Percentage 48 percent Porsche Boxster Porsche Boxster 2005 16.4 MPG Highway Percentage 75 percent Porsche Boxster Porsche Boxster 2005 25.9 MPG Highway Percentage 70 percent Porsche Boxster Porsche Boxster 2005 25.6 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2005 24.2 MPG Highway Percentage 43 percent Porsche Boxster Porsche Boxster 2004 20.7 MPG Highway Percentage 48 percent Porsche Boxster Porsche Boxster 2004 25.9 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2004 21.0 MPG Highway Percentage 25 percent Porsche Boxster Porsche Boxster 2004 25.3 MPG Highway Percentage 47 percent Porsche Boxster Porsche Boxster 2003 21.9 MPG Highway Percentage 38 percent Porsche Boxster Porsche Boxster 2003 26.0 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2003 28.0 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2002 23.7 MPG Highway Percentage 47 percent Porsche Boxster Porsche Boxster 2002 29.4 MPG Highway Percentage 40 percent Porsche Boxster Porsche Boxster 2002 18.0 MPG Highway Percentage 51 percent Porsche Boxster Porsche Boxster 2002 23.4 MPG Highway Percentage 64 percent Porsche Boxster Porsche Boxster 2001 21.7 MPG Highway Percentage 52 percent Porsche Boxster Porsche Boxster 2001 22.9 MPG Highway Percentage 35 percent Porsche Boxster Porsche Boxster 2000 22.4 MPG Highway Percentage 55 percent Porsche Boxster Porsche Boxster 2000 29.0 MPG Highway Percentage 30 percent Porsche Boxster Porsche Boxster 2000 25.2 MPG Highway Percentage 38 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
2013 2dr Convertible 315-horsepower 3.4L H6
7-speed automated manual RWD		 flat med hvy 0 20 0 80 70 20.7  
2011 2dr Convertible 255-horsepower 2.9L H6
6-speed manual RWD		 flat med light 0 15 35 50 70 16.0  
2010 2dr Convertible 310-horsepower 3.4L H6
6-speed manual RWD		 flat med none 0 38 25 38 75 20.8  
2010 2dr Convertible 255-horsepower 2.9L H6
7-speed automated manual RWD		 hills med light 5 20 0 75 85 24.2  
2008 2dr Convertible 295-horsepower 3.4L H6
6-speed manual RWD		 flat med none 9 18 47 27 69 21.5  
2008 2dr Convertible 245-horsepower 2.7L H6
5-speed manual RWD		 flat med light 0 50 48 3 75 21.8  
2007 2dr Convertible 295-horsepower 3.4L H6
6-speed manual RWD		 flat med none 1 1 18 80 73 25.8  
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2007 2dr Convertible 245-horsepower 2.7L H6
5-speed shiftable automatic RWD		 flat med none 32 32 32 4 60 16.0  
2007 2dr Convertible 245-horsepower 2.7L H6
5-speed manual RWD		 flat med light 2 3 40 55 62 26.1  
2006 2dr Convertible 280-horsepower 3.2L H6
6-speed manual RWD		 flat lead light 6 11 22 63 65 21.4  
2005 2dr Convertible 280-horsepower 3.2L H6
6-speed manual RWD		 flat med light 9 11 32 48 69 22.4  
2005 2dr Convertible 280-horsepower 3.2L H6
5-speed shiftable automatic RWD		 flat lead hvy 0 25 0 75 80 16.4  
2005 2dr Convertible 240-horsepower 2.7L H6
6-speed manual RWD		 flat med none 10 10 10 70 65 25.9  
2005 2dr Convertible 240-horsepower 2.7L H6
5-speed shiftable automatic RWD		 flat light light 0 5 45 50 65 25.6  
2005 2dr Convertible 240-horsepower 2.7L H6
5-speed manual RWD		 hills med light 12 18 28 43 63 24.2  
2004 2dr Convertible 264-horsepower 3.2L H6
6-speed manual RWD		 flat med light 8 28 18 48 65 20.7  
2004 2dr Convertible 258-horsepower 3.2L H6
6-speed manual RWD		 flat med hvy 0 15 5 80 65 25.9  
2004 2dr Convertible 258-horsepower 3.2L H6
5-speed shiftable automatic RWD		 flat lead hvy 20 30 25 25 70 21.0  
2004 2dr Convertible 228-horsepower 2.7L H6
5-speed manual RWD		 hills med light 1 3 50 47 65 25.3  
2003 2dr Convertible 258-horsepower 3.2L H6
6-speed manual RWD		 hills med none 12 12 38 38 61 21.9  
2003 2dr Convertible 258-horsepower 3.2L H6
5-speed shiftable automatic RWD		 flat med light 0 50 0 50 70 26.0  
2003 2dr Convertible 228-horsepower 2.7L H6
5-speed manual RWD		 flat light none 25 0 25 50 60 28.0  
2002 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD		 flat med light 15 15 24 47 65 23.7  
2002 2dr Convertible 250-horsepower 3.2L H6
5-speed shiftable automatic RWD		 flat light light 25 25 10 40 100 29.4  
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD		 flat med light 10 29 10 51 70 18.0  
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD		 hills lead none 3 5 29 64 60 23.4  
2001 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD		 hills lead light 13 22 13 52 68 21.7  
2001 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD		 flat med none 15 15 35 35 70 22.9  
2000 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD		 hills med light 5 17 23 55 93 22.4  
2000 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD		 flat med none 10 10 50 30 60 29.0  
2000 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD		 flat med none 7 23 32 38 70 25.2  

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This page shows only averages. See all the Porsche Boxster fuel economy data.

BMW X5 vs. Porsche Boxster 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 BMW X5 and Porsche Boxster'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 BMW models and Porsche models.

What Our Members Are Saying about the Real Gas Mileage of the BMW X5

BMW X5 Real Gas Mileage: Pros
YearBody/PowertrainComment
2009 4dr SUV turbocharged 265hp 3.0L I6 Diesel
6-speed shiftable automatic AWD		 Diesel engine, 24 MPG highway, 600 miles per tank see full BMW X5 review
2007 4dr SUV 260-horsepower 3.0L I6
6-speed shiftable automatic AWD		 Better than our 6 cyl Grand Cherokee by far see full BMW X5 review
BMW X5 Real Gas Mileage: Cons
YearBody/PowertrainComment
2010 4dr SUV turbocharged 265hp 3.0L I6 Diesel
6-speed shiftable automatic AWD		 like many other SUV it consume more fuel, but I know the EPA before buying the X5. see full BMW X5 review
2008 4dr SUV 260-horsepower 3.0L I6
6-speed shiftable automatic AWD		 poor compared to diesel see full BMW X5 review
2006 4dr SUV 225-horsepower 3.0L I6
5-speed shiftable automatic AWD		 The 3.0L i6 is rather underpowered, and it's hard for me to squeeze even 22 mpg out of my X5. Most of the time, I get close to 20. Most V8 X5s from this generation get 16-18 mpg. see full BMW X5 review
2004 4dr SUV 225-horsepower 3.0L I6
5-speed shiftable automatic AWD		 I get a consistant 16.6mpg. Mostly in town driving. see full BMW X5 review
2003 4dr SUV 282-horsepower 4.4L V8
5-speed shiftable automatic AWD		 A gas drinker~~~ even considered its engine litre~~~ see full BMW X5 review
2002 4dr SUV 282-horsepower 4.4L V8
5-speed shiftable automatic AWD		 It gets about 16 mpg in town and about 19-20 on the highway. For the amount of performance I should not complain but I would love a SUV that got about 30 see full BMW X5 review
2001 4dr SUV 282-horsepower 4.4L V8
5-speed shiftable automatic AWD		 Horrible mileage. see full BMW X5 review
 

What Our Members Are Saying about the Real Gas Mileage of the Porsche Boxster

Porsche Boxster Real Gas Mileage: Pros
YearBody/PowertrainComment
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD		 mileage with performance see full Porsche Boxster review
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD		 Running the hills mostly safe speeds,and an occasional sprint or push through the corners I average 25 mpg/29 hwy.I think on a long boring drive possibly 32mpg see full Porsche Boxster review