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Mercedes-Benz SLK vs. Acura RDX MPG

Chart is based on 18 fuel economy reports for the Mercedes-Benz SLK and 252 fuel economy reports for the Acura RDX.

Mercedes-Benz SLK MPG

Mercedes-Benz SLK Mercedes-Benz SLK 2009 21.8 MPG Highway Percentage 70 percent Mercedes-Benz SLK Mercedes-Benz SLK 2009 21.0 MPG Highway Percentage 50 percent Mercedes-Benz SLK Mercedes-Benz SLK 2008 25.5 MPG Highway Percentage 80 percent Mercedes-Benz SLK Mercedes-Benz SLK 2007 25.6 MPG Highway Percentage 68 percent Mercedes-Benz SLK Mercedes-Benz SLK 2006 23.4 MPG Highway Percentage 85 percent Mercedes-Benz SLK Mercedes-Benz SLK 2006 24.7 MPG Highway Percentage 60 percent Mercedes-Benz SLK Mercedes-Benz SLK 2005 23.2 MPG Highway Percentage 53 percent Mercedes-Benz SLK Mercedes-Benz SLK 2005 24.0 MPG Highway Percentage 90 percent Mercedes-Benz SLK Mercedes-Benz SLK 2003 26.2 MPG Highway Percentage 79 percent Mercedes-Benz SLK Mercedes-Benz SLK 2001 25.3 MPG Highway Percentage 50 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
2009 2dr Hardtop conv. 355-horsepower 5.4L V8
7-speed shiftable automatic RWD		 flat med light 0 10 20 70 100 21.8  
2009 2dr Hardtop conv. 300-horsepower 3.5L V6
7-speed shiftable automatic RWD		 flat med hvy 0 5 45 50 65 21.0  
2008 2dr Hardtop conv. 268-horsepower 3.5L V6
7-speed shiftable automatic RWD		 mtns lead light 5 5 10 80 75 25.5  
2007 2dr Hardtop conv. 228-horsepower 3.0L V6
7-speed shiftable automatic RWD		 flat med none 13 13 8 68 95 25.6  
2006 2dr Hardtop conv. 355-horsepower 5.4L V8
7-speed shiftable automatic RWD		 flat light light 2 10 3 85 70 23.4  
2006 2dr Hardtop conv. 228-horsepower 3.0L V6
7-speed shiftable automatic RWD		 flat med hvy 10 10 20 60 70 24.7  
2005 2dr Hardtop conv. 268-horsepower 3.5L V6
7-speed shiftable automatic RWD		 flat med light 10 25 12 53 66 23.2  
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2005 2dr Hardtop conv. 268-horsepower 3.5L V6
6-speed manual RWD		 flat lead none 0 0 10 90 75 24.0  
2003 2dr Hardtop conv. supercharged 192hp 2.3L I4
5-speed shiftable automatic RWD		 flat med light 0 5 16 79 72 26.2  
2001 2dr Hardtop conv. 215-horsepower 3.2L V6
5-speed shiftable automatic RWD		 flat med light 1 15 35 50 63 25.3  

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This page shows only averages. See all the Mercedes-Benz SLK fuel economy data.

Acura RDX MPG

Acura RDX Acura RDX 2014 29.1 MPG Highway Percentage 83 percent Acura RDX Acura RDX 2013 25.1 MPG Highway Percentage 66 percent Acura RDX Acura RDX 2012 20.0 MPG Highway Percentage 5 percent Acura RDX Acura RDX 2011 19.4 MPG Highway Percentage 30 percent Acura RDX Acura RDX 2010 22.1 MPG Highway Percentage 90 percent Acura RDX Acura RDX 2009 18.0 MPG Highway Percentage 40 percent Acura RDX Acura RDX 2008 19.0 MPG Highway Percentage 49 percent Acura RDX Acura RDX 2007 19.6 MPG Highway Percentage 50 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
2014 4dr SUV 273-horsepower 3.5L V6
6-speed shiftable automatic AWD		 hills med none 0 6 11 83 93 29.1  
2013 4dr SUV 273-horsepower 3.5L V6
6-speed shiftable automatic FWD		 flat light hvy 0 34 0 66 70 25.1  
2012 4dr SUV turbocharged 240hp 2.3L I4
5-speed shiftable automatic FWD		 flat light hvy 10 76 10 5 45 20.0  
2011 4dr SUV turbocharged 240hp 2.3L I4
5-speed shiftable automatic AWD		 flat light light 9 28 33 30 67 19.4  
2010 4dr SUV turbocharged 240hp 2.3L I4
5-speed shiftable automatic AWD		 mtns med none 5 3 3 90 60 22.1  
2009 4dr SUV turbocharged 240hp 2.3L I4
5-speed shiftable automatic AWD		 flat med none 0 50 10 40 60 18.0  
2008 4dr SUV turbocharged 240hp 2.3L I4
5-speed shiftable automatic AWD		 flat med light 5 26 20 49 69 19.0  
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2007 4dr SUV turbocharged 240hp 2.3L I4
5-speed shiftable automatic AWD		 flat light none 14 21 15 50 75 19.6  

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This page shows only averages. See all the Acura RDX fuel economy data.

Mercedes-Benz SLK vs. Acura RDX 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 Mercedes-Benz SLK and Acura RDX'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 Convertibles
See TrueDelta's information for all Mercedes-Benz models and Acura models.

What Our Members Are Saying about the Real Gas Mileage of the Mercedes-Benz SLK

Mercedes-Benz SLK Real Gas Mileage: Cons
YearBody/PowertrainComment
2005 2dr Hardtop conv. 355-horsepower 5.4L V8
7-speed shiftable automatic RWD		 clearly AMG was not thinking gas mileage at all when they built this engine see full Mercedes-Benz SLK review
 

What Our Members Are Saying about the Real Gas Mileage of the Acura RDX

Acura RDX Real Gas Mileage: Cons
YearBody/PowertrainComment
2009 4dr SUV turbocharged 240hp 2.3L I4
5-speed shiftable automatic AWD		 Turbo eats gas but provides for a fun ride see full Acura RDX review
2008 4dr SUV turbocharged 240hp 2.3L I4
5-speed shiftable automatic AWD		 Low for a 4-cylinder see full Acura RDX review
2007 4dr SUV turbocharged 240hp 2.3L I4
5-speed shiftable automatic AWD		 I average around 20 MPG, but it is not an economy car - well worth it for the performance see full Acura RDX review