We are 103,000+ car owners sharing real-world car information.

Join Us

Porsche Boxster vs. Mercedes-Benz S-Class Fuel Economy (g/100m)

Chart is based on 102 fuel economy reports for the Porsche Boxster and 22 fuel economy reports for the Mercedes-Benz S-Class.

Porsche Boxster g/100m

Porsche Boxster Porsche Boxster 2013 4.9 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2011 6.3 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2010 4.8 MPG Highway Percentage 38 percent Porsche Boxster Porsche Boxster 2010 2.9 MPG Highway Percentage 75 percent Porsche Boxster Porsche Boxster 2008 4.7 MPG Highway Percentage 27 percent Porsche Boxster Porsche Boxster 2008 13.9 MPG Highway Percentage 3 percent Porsche Boxster Porsche Boxster 2007 4.0 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2007 6.3 MPG Highway Percentage 4 percent Porsche Boxster Porsche Boxster 2007 3.8 MPG Highway Percentage 55 percent Porsche Boxster Porsche Boxster 2006 4.7 MPG Highway Percentage 63 percent Porsche Boxster Porsche Boxster 2005 4.6 MPG Highway Percentage 48 percent Porsche Boxster Porsche Boxster 2005 6.1 MPG Highway Percentage 75 percent Porsche Boxster Porsche Boxster 2005 3.9 MPG Highway Percentage 70 percent Porsche Boxster Porsche Boxster 2005 3.9 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2005 4.2 MPG Highway Percentage 43 percent Porsche Boxster Porsche Boxster 2004 4.9 MPG Highway Percentage 48 percent Porsche Boxster Porsche Boxster 2004 3.9 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2004 4.8 MPG Highway Percentage 25 percent Porsche Boxster Porsche Boxster 2004 4.0 MPG Highway Percentage 47 percent Porsche Boxster Porsche Boxster 2003 4.6 MPG Highway Percentage 38 percent Porsche Boxster Porsche Boxster 2003 3.8 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2003 3.6 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2002 4.2 MPG Highway Percentage 47 percent Porsche Boxster Porsche Boxster 2002 18.8 MPG Highway Percentage 40 percent Porsche Boxster Porsche Boxster 2002 6.3 MPG Highway Percentage 51 percent Porsche Boxster Porsche Boxster 2002 4.3 MPG Highway Percentage 64 percent Porsche Boxster Porsche Boxster 2001 4.8 MPG Highway Percentage 52 percent Porsche Boxster Porsche Boxster 2001 4.4 MPG Highway Percentage 35 percent Porsche Boxster Porsche Boxster 2000 19.9 MPG Highway Percentage 55 percent Porsche Boxster Porsche Boxster 2000 3.4 MPG Highway Percentage 30 percent Porsche Boxster Porsche Boxster 2000 4.2 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 g/100m
2013 2dr Convertible 315-horsepower 3.4L H6
7-speed automated manual RWD
flat med hvy 0 20 0 80 70 4.9  
2011 2dr Convertible 255-horsepower 2.9L H6
6-speed manual RWD
flat med light 0 15 35 50 70 6.3  
2010 2dr Convertible 310-horsepower 3.4L H6
6-speed manual RWD
flat med none 0 38 25 38 75 4.8  
2010 2dr Convertible 255-horsepower 2.9L H6
7-speed automated manual RWD
hills med light 5 20 0 75 85 2.9  
2008 2dr Convertible 295-horsepower 3.4L H6
6-speed manual RWD
flat med none 9 18 47 27 69 4.7  
2008 2dr Convertible 245-horsepower 2.7L H6
5-speed manual RWD
flat med light 0 50 48 3 75 13.9  
2007 2dr Convertible 295-horsepower 3.4L H6
6-speed manual RWD
flat med none 1 1 18 80 73 4.0  
Looking for a warranty? Get a quote.
2007 2dr Convertible 245-horsepower 2.7L H6
5-speed shiftable automatic RWD
flat med none 32 32 32 4 60 6.3  
2007 2dr Convertible 245-horsepower 2.7L H6
5-speed manual RWD
flat med light 2 3 40 55 62 3.8  
2006 2dr Convertible 280-horsepower 3.2L H6
6-speed manual RWD
flat lead light 6 11 22 63 65 4.7  
2005 2dr Convertible 280-horsepower 3.2L H6
6-speed manual RWD
flat med light 9 11 32 48 69 4.6  
2005 2dr Convertible 280-horsepower 3.2L H6
5-speed shiftable automatic RWD
flat lead hvy 0 25 0 75 80 6.1  
2005 2dr Convertible 240-horsepower 2.7L H6
6-speed manual RWD
flat med none 10 10 10 70 65 3.9  
2005 2dr Convertible 240-horsepower 2.7L H6
5-speed shiftable automatic RWD
flat light light 0 5 45 50 65 3.9  
2005 2dr Convertible 240-horsepower 2.7L H6
5-speed manual RWD
hills med light 12 18 28 43 63 4.2  
2004 2dr Convertible 264-horsepower 3.2L H6
6-speed manual RWD
flat med light 8 28 18 48 65 4.9  
2004 2dr Convertible 258-horsepower 3.2L H6
6-speed manual RWD
flat med hvy 0 15 5 80 65 3.9  
2004 2dr Convertible 258-horsepower 3.2L H6
5-speed shiftable automatic RWD
flat lead hvy 20 30 25 25 70 4.8  
2004 2dr Convertible 228-horsepower 2.7L H6
5-speed manual RWD
hills med light 1 3 50 47 65 4.0  
2003 2dr Convertible 258-horsepower 3.2L H6
6-speed manual RWD
hills med none 12 12 38 38 61 4.6  
2003 2dr Convertible 258-horsepower 3.2L H6
5-speed shiftable automatic RWD
flat med light 0 50 0 50 70 3.8  
2003 2dr Convertible 228-horsepower 2.7L H6
5-speed manual RWD
flat light none 25 0 25 50 60 3.6  
2002 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD
flat med light 15 15 24 47 65 4.2  
2002 2dr Convertible 250-horsepower 3.2L H6
5-speed shiftable automatic RWD
flat light light 25 25 10 40 100 18.8  
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD
flat med light 10 29 10 51 70 6.3  
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD
hills lead none 3 5 29 64 60 4.3  
2001 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD
hills lead light 13 22 13 52 68 4.8  
2001 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD
flat med none 15 15 35 35 70 4.4  
2000 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD
hills med light 5 17 23 55 93 19.9  
2000 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD
flat med none 10 10 50 30 60 3.4  
2000 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD
flat med none 5 18 44 34 70 4.2  

Return to top

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

Mercedes-Benz S-Class g/100m

Mercedes-Benz S-Class Mercedes-Benz S-Class 2007 4.8 MPG Highway Percentage 45 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2007 4.0 MPG Highway Percentage 70 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2006 4.1 MPG Highway Percentage 98 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2006 4.3 MPG Highway Percentage 80 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2006 4.3 MPG Highway Percentage 85 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2004 5.3 MPG Highway Percentage 47 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2004 4.2 MPG Highway Percentage 80 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2003 20.1 MPG Highway Percentage 68 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2003 5.7 MPG Highway Percentage 71 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2002 5.2 MPG Highway Percentage 29 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2001 47.3 MPG Highway Percentage 0 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2000 4.3 MPG Highway Percentage 82 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 g/100m
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat med none 5 15 35 45 62 4.8  
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic AWD
flat light none 10 10 10 70 65 4.0  
2006 4dr Sedan, ext. 302-horsepower 5.0L V8
7-speed shiftable automatic RWD
flat med hvy 1 1 0 98 78 4.1  
2006 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic AWD
flat light none 0 0 20 80 65 4.3  
2006 4dr Sedan, ext. 275-horsepower 4.3L V8
7-speed shiftable automatic RWD
flat light hvy 0 15 0 85 60 4.3  
2004 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic AWD
flat med none 1 45 8 47 80 5.3  
2004 4dr Sedan, ext. 275-horsepower 4.3L V8
7-speed shiftable automatic RWD
flat med hvy 0 2 18 80 75 4.2  
Looking for a warranty? Get a quote.
2003 4dr Sedan, ext. turbocharged 493hp 5.5L V12
5-speed shiftable automatic RWD
flat light light 7 11 15 68 108 20.1  
2003 4dr Sedan, ext. 275-horsepower 4.3L V8
5-speed shiftable automatic RWD
flat med hvy 6 12 12 71 70 5.7  
2002 4dr Sedan, ext. 275-horsepower 4.3L V8
5-speed shiftable automatic RWD
flat med hvy 13 6 54 29 68 5.2  
2001 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic RWD
flat med none 20 80 0 0 0 47.3  
2000 4dr Sedan, ext. 275-horsepower 4.3L V8
5-speed shiftable automatic RWD
flat v.lt light 0 7 11 82 62 4.3  

Return to top

Porsche Boxster vs. Mercedes-Benz S-Class Fuel Economy (g/100m)

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 Porsche Boxster and Mercedes-Benz S-Class's where a car was driven. So you can get an idea of their real-world g/100m based on how and where you drive a car.

See TrueDelta's information for all Porsche models and Mercedes-Benz models.

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
 

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

Mercedes-Benz S-Class Real Gas Mileage: Pros
YearBody/PowertrainComment
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
Since my driving is about 50-50 city and highway, I average about 20-21 mpg, using premium fuel. All highway is 29-30mpg and all city is 14-15mpg. see full Mercedes-Benz S-Class review
2007 0 While on long trips at 70-80mph I average 32mpg around town it never goes better than 24mpg. Easy on the pedal sure shows results but fully loaded the thing shifts like a two door sports. see full Mercedes-Benz S-Class review
Mercedes-Benz S-Class Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 4dr Sedan turbocharged 232hp 3.0L V6 Diesel
7-speed shiftable automatic RWD
Very, very expensive see full Mercedes-Benz S-Class review
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
Driving it in a lot of stop and go traffic it drinks gas. see full Mercedes-Benz S-Class review
2007 0 Fuel cost are a killer and servicing requires finding an allternative to the Mercedes Garage see full Mercedes-Benz S-Class review
2001 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic RWD
20l/100km but its still worth it see full Mercedes-Benz S-Class review