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Chevrolet Avalanche vs. Porsche Boxster Fuel Economy (L/100km)

Chart is based on 118 fuel economy reports for the Chevrolet Avalanche and 102 fuel economy reports for the Porsche Boxster.

Chevrolet Avalanche L/100km

Chevrolet Avalanche Chevrolet Avalanche 2013 17.5 MPG Highway Percentage 50 percent Chevrolet Avalanche Chevrolet Avalanche 2012 13.8 MPG Highway Percentage 35 percent Chevrolet Avalanche Chevrolet Avalanche 2011 13.3 MPG Highway Percentage 23 percent Chevrolet Avalanche Chevrolet Avalanche 2011 12.9 MPG Highway Percentage 100 percent Chevrolet Avalanche Chevrolet Avalanche 2011 15.9 MPG Highway Percentage 58 percent Chevrolet Avalanche Chevrolet Avalanche 2009 13.4 MPG Highway Percentage 65 percent Chevrolet Avalanche Chevrolet Avalanche 2008 13.9 MPG Highway Percentage 60 percent Chevrolet Avalanche Chevrolet Avalanche 2007 14.6 MPG Highway Percentage 15 percent Chevrolet Avalanche Chevrolet Avalanche 2007 15.2 MPG Highway Percentage 56 percent Chevrolet Avalanche Chevrolet Avalanche 2006 13.0 MPG Highway Percentage 15 percent Chevrolet Avalanche Chevrolet Avalanche 2006 16.4 MPG Highway Percentage 38 percent Chevrolet Avalanche Chevrolet Avalanche 2005 12.4 MPG Highway Percentage 75 percent Chevrolet Avalanche Chevrolet Avalanche 2005 16.2 MPG Highway Percentage 63 percent Chevrolet Avalanche Chevrolet Avalanche 2004 13.8 MPG Highway Percentage 93 percent Chevrolet Avalanche Chevrolet Avalanche 2003 15.2 MPG Highway Percentage 30 percent Chevrolet Avalanche Chevrolet Avalanche 2002 17.8 MPG Highway Percentage 20 percent Chevrolet Avalanche Chevrolet Avalanche 2002 11.5 MPG Highway Percentage 100 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 L/100km
2013 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range
flat med light 0 0 50 50 70 17.5  
2012 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range
flat med none 0 10 55 35 75 13.8  
2011 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic RWD
flat light none 45 0 32 23 90 13.3  
2011 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range
hills med light 0 0 0 100 80 12.9  
2011 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic 4WD
flat v.lt none 0 0 43 58 100 15.9  
2009 4dr SUT 310-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range
flat light none 0 10 25 65 70 13.4  
2008 4dr SUT 320-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat med hvy 10 10 20 60 70 13.9  
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2007 4dr SUT 320-horsepower 5.3L V8
4-speed automatic RWD
flat med hvy 5 40 40 15 60 14.6  
2007 4dr SUT 320-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat light light 4 16 24 56 65 15.2  
2006 4dr SUT 295-horsepower 5.3L V8
4-speed automatic RWD
hills med light 5 80 0 15 75 13.0  
2006 4dr SUT 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat med none 5 40 18 38 65 16.4  
2005 4dr SUT 295-horsepower 5.3L V8
4-speed automatic RWD
flat med light 5 5 15 75 70 12.4  
2005 4dr SUT 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat light light 8 2 26 63 65 16.2  
2004 4dr SUT 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range
hills light none 0 0 7 93 80 13.8  
2003 4dr SUT 285-horsepower 5.3L V8
4-speed automatic 4WD w/low range
flat med none 21 23 25 30 80 15.2  
2002 4dr SUT 285-horsepower 5.3L V8
4-speed automatic RWD
flat light none 0 50 30 20 60 17.8  
2002 4dr SUT 285-horsepower 5.3L V8
4-speed automatic 4WD w/low range
hills light light 0 0 0 100 70 11.5  

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Porsche Boxster L/100km

Porsche Boxster Porsche Boxster 2013 11.4 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2011 14.7 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2010 11.3 MPG Highway Percentage 38 percent Porsche Boxster Porsche Boxster 2010 9.8 MPG Highway Percentage 75 percent Porsche Boxster Porsche Boxster 2008 11.1 MPG Highway Percentage 27 percent Porsche Boxster Porsche Boxster 2008 11.0 MPG Highway Percentage 3 percent Porsche Boxster Porsche Boxster 2007 9.4 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2007 14.7 MPG Highway Percentage 4 percent Porsche Boxster Porsche Boxster 2007 9.0 MPG Highway Percentage 55 percent Porsche Boxster Porsche Boxster 2006 11.1 MPG Highway Percentage 63 percent Porsche Boxster Porsche Boxster 2005 10.8 MPG Highway Percentage 48 percent Porsche Boxster Porsche Boxster 2005 14.3 MPG Highway Percentage 75 percent Porsche Boxster Porsche Boxster 2005 9.1 MPG Highway Percentage 70 percent Porsche Boxster Porsche Boxster 2005 9.2 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2005 9.9 MPG Highway Percentage 43 percent Porsche Boxster Porsche Boxster 2004 11.6 MPG Highway Percentage 48 percent Porsche Boxster Porsche Boxster 2004 9.1 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2004 11.2 MPG Highway Percentage 25 percent Porsche Boxster Porsche Boxster 2004 9.3 MPG Highway Percentage 47 percent Porsche Boxster Porsche Boxster 2003 10.9 MPG Highway Percentage 38 percent Porsche Boxster Porsche Boxster 2003 9.0 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2003 8.4 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2002 9.9 MPG Highway Percentage 47 percent Porsche Boxster Porsche Boxster 2002 8.0 MPG Highway Percentage 40 percent Porsche Boxster Porsche Boxster 2002 14.7 MPG Highway Percentage 51 percent Porsche Boxster Porsche Boxster 2002 10.1 MPG Highway Percentage 64 percent Porsche Boxster Porsche Boxster 2001 11.2 MPG Highway Percentage 52 percent Porsche Boxster Porsche Boxster 2001 10.3 MPG Highway Percentage 35 percent Porsche Boxster Porsche Boxster 2000 10.9 MPG Highway Percentage 55 percent Porsche Boxster Porsche Boxster 2000 8.1 MPG Highway Percentage 30 percent Porsche Boxster Porsche Boxster 2000 9.9 MPG Highway Percentage 34 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 L/100km
2013 2dr Convertible 315-horsepower 3.4L H6
7-speed automated manual RWD
flat med hvy 0 20 0 80 70 11.4  
2011 2dr Convertible 255-horsepower 2.9L H6
6-speed manual RWD
flat med light 0 15 35 50 70 14.7  
2010 2dr Convertible 310-horsepower 3.4L H6
6-speed manual RWD
flat med none 0 38 25 38 75 11.3  
2010 2dr Convertible 255-horsepower 2.9L H6
7-speed automated manual RWD
hills med light 5 20 0 75 85 9.8  
2008 2dr Convertible 295-horsepower 3.4L H6
6-speed manual RWD
flat med none 9 18 47 27 69 11.1  
2008 2dr Convertible 245-horsepower 2.7L H6
5-speed manual RWD
flat med light 0 50 48 3 75 11.0  
2007 2dr Convertible 295-horsepower 3.4L H6
6-speed manual RWD
flat med none 1 1 18 80 73 9.4  
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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 14.7  
2007 2dr Convertible 245-horsepower 2.7L H6
5-speed manual RWD
flat med light 2 3 40 55 62 9.0  
2006 2dr Convertible 280-horsepower 3.2L H6
6-speed manual RWD
flat lead light 6 11 22 63 65 11.1  
2005 2dr Convertible 280-horsepower 3.2L H6
6-speed manual RWD
flat med light 9 11 32 48 69 10.8  
2005 2dr Convertible 280-horsepower 3.2L H6
5-speed shiftable automatic RWD
flat lead hvy 0 25 0 75 80 14.3  
2005 2dr Convertible 240-horsepower 2.7L H6
6-speed manual RWD
flat med none 10 10 10 70 65 9.1  
2005 2dr Convertible 240-horsepower 2.7L H6
5-speed shiftable automatic RWD
flat light light 0 5 45 50 65 9.2  
2005 2dr Convertible 240-horsepower 2.7L H6
5-speed manual RWD
hills med light 12 18 28 43 63 9.9  
2004 2dr Convertible 264-horsepower 3.2L H6
6-speed manual RWD
flat med light 8 28 18 48 65 11.6  
2004 2dr Convertible 258-horsepower 3.2L H6
6-speed manual RWD
flat med hvy 0 15 5 80 65 9.1  
2004 2dr Convertible 258-horsepower 3.2L H6
5-speed shiftable automatic RWD
flat lead hvy 20 30 25 25 70 11.2  
2004 2dr Convertible 228-horsepower 2.7L H6
5-speed manual RWD
hills med light 1 3 50 47 65 9.3  
2003 2dr Convertible 258-horsepower 3.2L H6
6-speed manual RWD
hills med none 12 12 38 38 61 10.9  
2003 2dr Convertible 258-horsepower 3.2L H6
5-speed shiftable automatic RWD
flat med light 0 50 0 50 70 9.0  
2003 2dr Convertible 228-horsepower 2.7L H6
5-speed manual RWD
flat light none 25 0 25 50 60 8.4  
2002 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD
flat med light 15 15 24 47 65 9.9  
2002 2dr Convertible 250-horsepower 3.2L H6
5-speed shiftable automatic RWD
flat light light 25 25 10 40 100 8.0  
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD
flat med light 10 29 10 51 70 14.7  
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD
hills lead none 3 5 29 64 60 10.1  
2001 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD
hills lead light 13 22 13 52 68 11.2  
2001 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD
flat med none 15 15 35 35 70 10.3  
2000 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD
hills med light 5 17 23 55 93 10.9  
2000 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD
flat med none 10 10 50 30 60 8.1  
2000 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD
flat med none 5 18 44 34 70 9.9  

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

Chevrolet Avalanche vs. Porsche Boxster Fuel Economy (L/100km)

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 Avalanche and Porsche Boxster's where a car was driven. So you can get an idea of their real-world L/100km based on how and where you drive a car.

See TrueDelta's information for all SUTs
See TrueDelta's information for all Chevrolet models and Porsche models.

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

Chevrolet Avalanche Real Gas Mileage: Pros
YearBody/PowertrainComment
2011 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic 4WD
0 see full Chevrolet Avalanche review
2007 4dr SUT 320-horsepower 5.3L V8
4-speed automatic 4WD w/low range
GREAT MPG FOR MID-SIZE TRUCK. see full Chevrolet Avalanche review
Chevrolet Avalanche Real Gas Mileage: Cons
YearBody/PowertrainComment
2011 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic 4WD
what fuel economy? bought it to pull a Brenderup horse trailer (3300lbs including 1 horse) that can be pulled with a 4cyl car in europe.... doing 22l/100km on flat roads with light foot. more than double combined rating ....GM unresponsive! see full Chevrolet Avalanche review
2007 4dr SUT 320-horsepower 5.3L V8
4-speed automatic RWD
14MPG in the city sucks. see full Chevrolet Avalanche review
2007 4dr SUT 320-horsepower 5.3L V8
4-speed automatic 4WD w/low range
It only averages around 14 to 15 in a mostly city driving environment. Was hoping the V4 mode would kick in more often to help improve the economy. see full Chevrolet Avalanche 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