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Mini Convertible vs. Mercedes-Benz SL MPG

Chart is based on 9 fuel economy reports for the Mini Convertible and 8 fuel economy reports for the Mercedes-Benz SL.

Mini Convertible MPG

Mini Convertible Mini Convertible 2012 31.9 MPG Highway Percentage 90 percent Mini Convertible Mini Convertible 2010 29.0 MPG Highway Percentage 80 percent Mini Convertible Mini Convertible 2009 30.3 MPG Highway Percentage 40 percent Mini Convertible Mini Convertible 2008 30.2 MPG Highway Percentage 90 percent Mini Convertible Mini Convertible 2007 34.5 MPG Highway Percentage 25 percent Mini Convertible Mini Convertible 2006 31.4 MPG Highway Percentage 60 percent Mini Convertible Mini Convertible 2005 29.2 MPG Highway Percentage 84 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
2012 2dr Convertible turbocharged 181hp 1.6L I4
6-speed shiftable automatic FWD		 flat light none 0 10 0 90 50 31.9  
2010 2dr Convertible turbocharged 172hp 1.6L I4
6-speed manual FWD		 flat lead light 0 20 0 80 80 29.0  
2009 2dr Convertible 118-horsepower 1.6L I4
6-speed manual FWD		 flat med hvy 10 10 40 40 70 30.3  
2008 2dr Convertible supercharged 168hp 1.6L I4
6-speed manual FWD		 flat med none 0 10 0 90 65 30.2  
2007 2dr Convertible 115-horsepower 1.6L I4
5-speed manual FWD		 hills light light 5 15 55 25 70 34.5  
2006 2dr Convertible supercharged 168hp 1.6L I4
6-speed shiftable automatic FWD		 flat med light 10 20 10 60 65 31.4  
2005 2dr Convertible supercharged 168hp 1.6L I4
6-speed manual FWD		 hills med none 0 11 5 84 65 29.2  

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This page shows only averages. See all the Mini Convertible fuel economy data.

Mercedes-Benz SL MPG

Mercedes-Benz SL Mercedes-Benz SL 2013 23.4 MPG Highway Percentage 48 percent Mercedes-Benz SL Mercedes-Benz SL 2007 21.0 MPG Highway Percentage 30 percent Mercedes-Benz SL Mercedes-Benz SL 2006 18.0 MPG Highway Percentage 5 percent Mercedes-Benz SL Mercedes-Benz SL 2000 19.1 MPG Highway Percentage 35 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 Hardtop conv. turbocharged 429hp 4.7L V8
7-speed shiftable automatic RWD		 flat light hvy 6 9 37 48 75 23.4  
2007 2dr Hardtop conv. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD		 hills light none 10 10 50 30 70 21.0  
2006 2dr Hardtop conv. 302-horsepower 5.0L V8
7-speed shiftable automatic RWD		 flat med none 0 5 90 5 60 18.0  
2000 2dr Hardtop conv. 302-horsepower 5.0L V8
5-speed automatic RWD		 flat med none 15 20 30 35 60 19.1  

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

Mini Convertible vs. Mercedes-Benz SL 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 Mini Convertible and Mercedes-Benz SL'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 Mini models and Mercedes-Benz models.

What Our Members Are Saying about the Real Gas Mileage of the Mini Convertible

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

Mercedes-Benz SL Real Gas Mileage: Pros
YearBody/PowertrainComment
2006 2dr Hardtop conv. supercharged 493hp 5.4L V8
5-speed shiftable automatic RWD		 Awful! Big V-8 gets approximately 14 mpg, if I'm lucky! see full Mercedes-Benz SL review
Mercedes-Benz SL Real Gas Mileage: Cons
YearBody/PowertrainComment
2002 2dr Hardtop conv. 302-horsepower 5.0L V8
5-speed automatic RWD		 Not great. I averaged about 16mpg in around town driving, about 22 on the freeways. Best mileage observed was in Wyoming, 24.5, coming downhill eastbound from the Grand Tetons. that said, people shouldn't buy this car expecting a Miata, in any way other than Two Doors and a Convertible Top. see full Mercedes-Benz SL review