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Jaguar XJ vs. Mercedes-Benz SLK MPG

Chart is based on 15 fuel economy reports for the Jaguar XJ and 18 fuel economy reports for the Mercedes-Benz SLK.

Jaguar XJ MPG

Jaguar XJ Jaguar XJ 2006 19.6 MPG Highway Percentage 62 percent Jaguar XJ Jaguar XJ 2005 22.5 MPG Highway Percentage 58 percent Jaguar XJ Jaguar XJ 2004 20.8 MPG Highway Percentage 54 percent Jaguar XJ Jaguar XJ 2004 23.1 MPG Highway Percentage 47 percent Jaguar XJ Jaguar XJ 2001 20.3 MPG Highway Percentage 43 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
2006 4dr Sedan, ext. supercharged 400hp 4.2L V8
6-speed automatic RWD		 flat med light 5 20 13 62 67 19.6  
2005 4dr Sedan supercharged 390hp 4.2L V8
6-speed automatic RWD		 flat light none 3 29 10 58 83 22.5  
2004 4dr Sedan supercharged 390hp 4.2L V8
6-speed automatic RWD		 flat med light 8 8 30 54 70 20.8  
2004 4dr Sedan 294-horsepower 4.2L V8
6-speed automatic RWD		 flat light light 4 27 21 47 68 23.1  
2001 4dr Sedan, ext. 290-horsepower 4.0L V8
5-speed automatic RWD		 hills lead none 5 52 0 43 65 20.3  

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This page shows only averages. See all the Jaguar XJ fuel economy data.

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.

Jaguar XJ vs. Mercedes-Benz SLK 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 Jaguar XJ and Mercedes-Benz SLK'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.

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What Our Members Are Saying about the Real Gas Mileage of the Jaguar XJ

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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