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Chevrolet Avalanche vs. Porsche Cayman MPG

Chart is based on 118 fuel economy reports for the Chevrolet Avalanche and 20 fuel economy reports for the Porsche Cayman.

Chevrolet Avalanche MPG

Chevrolet Avalanche Chevrolet Avalanche 2013 13.7 MPG Highway Percentage 50 percent Chevrolet Avalanche Chevrolet Avalanche 2012 17.0 MPG Highway Percentage 35 percent Chevrolet Avalanche Chevrolet Avalanche 2011 17.7 MPG Highway Percentage 23 percent Chevrolet Avalanche Chevrolet Avalanche 2011 18.2 MPG Highway Percentage 100 percent Chevrolet Avalanche Chevrolet Avalanche 2011 15.4 MPG Highway Percentage 58 percent Chevrolet Avalanche Chevrolet Avalanche 2009 17.6 MPG Highway Percentage 65 percent Chevrolet Avalanche Chevrolet Avalanche 2008 16.9 MPG Highway Percentage 60 percent Chevrolet Avalanche Chevrolet Avalanche 2007 16.1 MPG Highway Percentage 15 percent Chevrolet Avalanche Chevrolet Avalanche 2007 15.6 MPG Highway Percentage 56 percent Chevrolet Avalanche Chevrolet Avalanche 2006 18.2 MPG Highway Percentage 15 percent Chevrolet Avalanche Chevrolet Avalanche 2006 14.5 MPG Highway Percentage 38 percent Chevrolet Avalanche Chevrolet Avalanche 2005 19.0 MPG Highway Percentage 75 percent Chevrolet Avalanche Chevrolet Avalanche 2005 14.5 MPG Highway Percentage 63 percent Chevrolet Avalanche Chevrolet Avalanche 2004 17.3 MPG Highway Percentage 93 percent Chevrolet Avalanche Chevrolet Avalanche 2003 15.5 MPG Highway Percentage 30 percent Chevrolet Avalanche Chevrolet Avalanche 2002 13.2 MPG Highway Percentage 20 percent Chevrolet Avalanche Chevrolet Avalanche 2002 20.5 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 MPG
2013 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range		 flat med light 0 0 50 50 70 13.7  
2012 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range		 flat med none 0 10 55 35 75 17.0  
2011 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic RWD		 flat light none 45 0 32 23 90 17.7  
2011 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range		 hills med light 0 0 0 100 80 18.2  
2011 4dr SUT 320-horsepower 5.3L V8
6-speed shiftable automatic 4WD		 flat v.lt none 0 0 43 58 100 15.4  
2009 4dr SUT 310-horsepower 5.3L V8
6-speed shiftable automatic 4WD w/low range		 flat light none 0 10 25 65 70 17.6  
2008 4dr SUT 320-horsepower 5.3L V8
4-speed automatic 4WD w/low range		 flat med hvy 10 10 20 60 70 16.9  
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2007 4dr SUT 320-horsepower 5.3L V8
4-speed automatic RWD		 flat med hvy 5 40 40 15 60 16.1  
2007 4dr SUT 320-horsepower 5.3L V8
4-speed automatic 4WD w/low range		 flat light light 4 16 24 56 65 15.6  
2006 4dr SUT 295-horsepower 5.3L V8
4-speed automatic RWD		 hills med light 5 80 0 15 75 18.2  
2006 4dr SUT 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range		 flat med none 5 40 18 38 65 14.5  
2005 4dr SUT 295-horsepower 5.3L V8
4-speed automatic RWD		 flat med light 5 5 15 75 70 19.0  
2005 4dr SUT 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range		 flat light light 8 2 26 63 65 14.5  
2004 4dr SUT 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range		 hills light none 0 0 7 93 80 17.3  
2003 4dr SUT 285-horsepower 5.3L V8
4-speed automatic 4WD w/low range		 flat med none 21 23 25 30 80 15.5  
2002 4dr SUT 285-horsepower 5.3L V8
4-speed automatic RWD		 flat light none 0 50 30 20 60 13.2  
2002 4dr SUT 285-horsepower 5.3L V8
4-speed automatic 4WD w/low range		 hills light light 0 0 0 100 70 20.5  

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This page shows only averages. See all the Chevrolet Avalanche fuel economy data.

Porsche Cayman MPG

Porsche Cayman Porsche Cayman 2008 21.8 MPG Highway Percentage 44 percent Porsche Cayman Porsche Cayman 2008 25.5 MPG Highway Percentage 75 percent Porsche Cayman Porsche Cayman 2007 21.0 MPG Highway Percentage 5 percent Porsche Cayman Porsche Cayman 2007 22.5 MPG Highway Percentage 45 percent Porsche Cayman Porsche Cayman 2007 22.3 MPG Highway Percentage 50 percent Porsche Cayman Porsche Cayman 2006 19.8 MPG Highway Percentage 47 percent Porsche Cayman Porsche Cayman 2006 18.5 MPG Highway Percentage 15 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 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD		 flat med light 10 31 15 44 69 21.8  
2008 2dr Hatch 245-horsepower 2.7L H6
5-speed manual RWD		 flat med light 0 0 25 75 70 25.5  
2007 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD		 flat med light 0 0 95 5 60 21.0  
2007 2dr Hatch 295-horsepower 3.4L H6
5-speed shiftable automatic RWD		 flat med hvy 25 25 5 45 70 22.5  
2007 2dr Hatch 245-horsepower 2.7L H6
5-speed manual RWD		 hills med light 0 14 36 50 73 22.3  
2006 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD		 flat lead none 14 15 24 47 70 19.8  
2006 2dr Hatch 295-horsepower 3.4L H6
5-speed shiftable automatic RWD		 flat med none 0 85 0 15 60 18.5  

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

Chevrolet Avalanche vs. Porsche Cayman 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 Avalanche and Porsche Cayman'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 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 Cayman

Porsche Cayman Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD		 It is better than I expected. I average roughly 23 miles with city and highway commuting on days I choose to take it to the office. On trips I can get 26 mpg, not stellar but not awful. see full Porsche Cayman review
2008 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD		 Fuel economy is reasonable relative to the car's performance - 20 mpg, plus or minus a couple depending on the balance of city versus highway driving. see full Porsche Cayman review
Porsche Cayman Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD		 It sucks if you are driving the car correctly. On the slab I can see 26 mpg. see full Porsche Cayman review