MENU
1 0 3 4 3 4

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

Join Us

Audi A6 / S6 / RS6 vs. Mercedes-Benz C-Class Fuel Economy (L/100km)

Chart is based on 229 fuel economy reports for the Audi A6 / S6 / RS6 and 204 fuel economy reports for the Mercedes-Benz C-Class.

Audi A6 / S6 / RS6 L/100km

Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2018 7.8 MPG Highway Percentage 55 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2016 7.5 MPG Highway Percentage 85 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2014 8.8 MPG Highway Percentage 40 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2013 13.6 MPG Highway Percentage 0 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2013 10.5 MPG Highway Percentage 65 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2012 7.4 MPG Highway Percentage 90 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2011 9.9 MPG Highway Percentage 15 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2010 9.4 MPG Highway Percentage 30 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2010 9.7 MPG Highway Percentage 65 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2008 11.9 MPG Highway Percentage 40 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2007 11.7 MPG Highway Percentage 49 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2007 19.4 MPG Highway Percentage 15 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2007 11.5 MPG Highway Percentage 65 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2007 9.5 MPG Highway Percentage 55 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2006.5 5.6 MPG Highway Percentage 95 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2006 10.0 MPG Highway Percentage 44 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2006 12.4 MPG Highway Percentage 63 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2006 8.2 MPG Highway Percentage 30 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2006 9.6 MPG Highway Percentage 62 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2005 13.1 MPG Highway Percentage 67 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2005 11.2 MPG Highway Percentage 54 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2004 13.0 MPG Highway Percentage 25 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2004 11.5 MPG Highway Percentage 54 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2004 11.7 MPG Highway Percentage 95 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 14.7 MPG Highway Percentage 30 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 11.5 MPG Highway Percentage 72 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 10.7 MPG Highway Percentage 50 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 10.8 MPG Highway Percentage 76 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 11.3 MPG Highway Percentage 65 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2003 11.6 MPG Highway Percentage 40 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 11.0 MPG Highway Percentage 60 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 14.7 MPG Highway Percentage 44 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 12.7 MPG Highway Percentage 43 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 12.3 MPG Highway Percentage 45 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 9.8 MPG Highway Percentage 40 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2002 12.7 MPG Highway Percentage 10 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2001 11.1 MPG Highway Percentage 8 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2001 11.4 MPG Highway Percentage 55 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2001 11.1 MPG Highway Percentage 33 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2000 11.8 MPG Highway Percentage 50 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2000 11.3 MPG Highway Percentage 60 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2000 14.3 MPG Highway Percentage 30 percent Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2000 11.2 MPG Highway Percentage 33 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 L/100km
2018 4dr Sedan supercharged 340hp 3.0L V6
8-speed shiftable automatic AWD		 flat med hvy 5 5 35 55 65 7.8  
2016 4dr Sedan supercharged 333hp 3.0L V6
8-speed shiftable automatic AWD		 flat med none 0 10 5 85 80 7.5  
2014 4dr Sedan supercharged 310hp 3.0L V6
8-speed shiftable automatic AWD		 flat med hvy 0 10 50 40 80 8.8  
2013 4dr Sedan turbocharged 420hp 4.0L V8
7-speed automated manual AWD		 flat med light 0 100 0 0 0 13.6  
2013 4dr Sedan supercharged 310hp 3.0L V6
8-speed shiftable automatic AWD		 hills lead none 0 10 25 65 70 10.5  
2012 4dr Sedan supercharged 310hp 3.0L V6
8-speed shiftable automatic AWD		 flat med none 10 0 0 90 65 7.4  
2011 4dr Sedan supercharged 300hp 3.0L V6
6-speed shiftable automatic AWD		 flat med hvy 30 45 10 15 70 9.9  
Looking for a warranty? Get a quote.
2010 4dr Wagon supercharged 300hp 3.0L V6
6-speed shiftable automatic AWD		 flat med light 10 20 40 30 75 9.4  
2010 4dr Sedan supercharged 300hp 3.0L V6
6-speed shiftable automatic AWD		 flat med light 9 6 20 65 88 9.7  
2008 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 flat med none 15 20 25 40 65 11.9  
2007 4dr Wagon 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 flat med light 0 11 40 49 75 11.7  
2007 4dr Sedan 435-horsepower 5.2L V10
6-speed shiftable automatic AWD		 flat med light 30 50 5 15 70 19.4  
2007 4dr Sedan 350-horsepower 4.2L V8
6-speed shiftable automatic AWD		 flat med light 10 5 20 65 70 11.5  
2007 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 hills light light 3 10 34 55 63 9.5  
2006.5 4dr Sedan turbocharged 140hp 2.0L I4 Diesel
6-speed manual FWD		 flat v.lt none 5 0 0 95 60 5.6  
2006 4dr Wagon 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 flat med light 16 17 22 44 78 10.0  
2006 4dr Sedan 335-horsepower 4.2L V8
6-speed shiftable automatic AWD		 flat med none 1 2 34 63 82 12.4  
2006 4dr Sedan 255-horsepower 3.1L V6
7-speed shiftable CVT FWD		 flat med hvy 30 20 20 30 80 8.2  
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 flat med light 8 14 16 62 77 9.6  
2005 4dr Sedan 335-horsepower 4.2L V8
6-speed shiftable automatic AWD		 flat med light 1 4 28 67 77 13.1  
2005 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 flat med light 11 13 23 54 81 11.2  
2004 4dr Sedan 300-horsepower 4.2L V8
5-speed shiftable automatic AWD		 flat med none 25 25 25 25 75 13.0  
2004 4dr Sedan 265-horsepower 2.7L V6
5-speed shiftable automatic AWD		 flat med light 4 25 17 54 70 11.5  
2004 4dr Sedan 220-horsepower 3.0L V6
5-speed shiftable automatic AWD		 flat med none 5 0 0 95 68 11.7  
2003 4dr Wagon 340-horsepower 4.2L V8
5-speed shiftable automatic AWD		 flat lead hvy 20 20 30 30 80 14.7  
2003 4dr Sedan turbocharged 450hp 4.2L V8
5-speed shiftable automatic AWD		 flat med light 2 5 22 72 75 11.5  
2003 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD		 flat med none 0 20 30 50 75 10.7  
2003 4dr Sedan turbocharged 250hp 2.7L V6
5-speed shiftable automatic AWD		 flat light light 5 7 12 76 70 10.8  
2003 4dr Sedan 300-horsepower 4.2L V8
5-speed shiftable automatic AWD		 hills med light 13 8 15 65 90 11.3  
2003 4dr Sedan 220-horsepower 3.0L V6
5-speed shiftable automatic AWD		 flat light light 16 13 30 40 88 11.6  
2002 4dr Wagon 220-horsepower 3.0L V6
5-speed shiftable automatic AWD		 flat light light 15 15 10 60 60 11.0  
2002 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD		 flat med none 35 14 9 44 75 14.7  
2002 4dr Sedan turbocharged 250hp 2.7L V6
5-speed shiftable automatic AWD		 flat med light 12 32 13 43 66 12.7  
2002 4dr Sedan 300-horsepower 4.2L V8
5-speed shiftable automatic AWD		 flat light light 6 20 29 45 62 12.3  
2002 4dr Sedan 220-horsepower 3.0L V6
6-speed shiftable CVT FWD		 flat med light 10 40 10 40 70 9.8  
2002 4dr Sedan 220-horsepower 3.0L V6
5-speed shiftable automatic AWD		 flat light hvy 10 30 50 10 65 12.7  
2001 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD		 flat med light 3 33 58 8 75 11.1  
2001 4dr Sedan turbocharged 250hp 2.7L V6
5-speed shiftable automatic AWD		 flat med none 4 12 29 55 71 11.4  
2001 4dr Sedan 200-horsepower 2.8L V6
5-speed shiftable automatic AWD		 hills med hvy 10 30 28 33 65 11.1  
2000 4dr Wagon 200-horsepower 2.8L V6
5-speed shiftable automatic AWD		 hills med hvy 10 30 10 50 65 11.8  
2000 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD		 flat med none 10 20 10 60 120 11.3  
2000 4dr Sedan 200-horsepower 2.8L V6
5-speed shiftable automatic FWD		 hills light light 45 20 5 30 60 14.3  
2000 4dr Sedan 200-horsepower 2.8L V6
5-speed shiftable automatic AWD		 hills med none 8 23 35 33 72 11.2  

Return to top

This page shows only averages. See all the Audi A6 / S6 / RS6 fuel economy data.

Mercedes-Benz C-Class L/100km

Mercedes-Benz C-Class Mercedes-Benz C-Class 2018 8.3 MPG Highway Percentage 70 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2017 7.2 MPG Highway Percentage 90 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2016 8.9 MPG Highway Percentage 54 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2015 10.1 MPG Highway Percentage 20 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2014 10.3 MPG Highway Percentage 48 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2013 10.2 MPG Highway Percentage 35 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2012 6.8 MPG Highway Percentage 90 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2012 8.3 MPG Highway Percentage 80 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2011 6.0 MPG Highway Percentage 75 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2011 9.8 MPG Highway Percentage 50 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2011 8.5 MPG Highway Percentage 40 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2010 14.2 MPG Highway Percentage 32 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2010 10.7 MPG Highway Percentage 35 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2010 9.4 MPG Highway Percentage 47 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2009 8.0 MPG Highway Percentage 0 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2009 9.0 MPG Highway Percentage 18 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2009 13.0 MPG Highway Percentage 40 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2009 11.1 MPG Highway Percentage 33 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2009 9.0 MPG Highway Percentage 76 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 9.5 MPG Highway Percentage 40 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 9.5 MPG Highway Percentage 60 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 11.0 MPG Highway Percentage 42 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 10.6 MPG Highway Percentage 60 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 10.9 MPG Highway Percentage 42 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 10.9 MPG Highway Percentage 37 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 9.7 MPG Highway Percentage 59 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 10.0 MPG Highway Percentage 30 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2007 11.1 MPG Highway Percentage 65 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2007 9.4 MPG Highway Percentage 28 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2007 9.9 MPG Highway Percentage 58 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2007 9.2 MPG Highway Percentage 60 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 11.9 MPG Highway Percentage 50 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 11.4 MPG Highway Percentage 10 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 8.0 MPG Highway Percentage 70 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 13.1 MPG Highway Percentage 43 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 9.7 MPG Highway Percentage 28 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 9.2 MPG Highway Percentage 40 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2005 8.1 MPG Highway Percentage 36 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2005 8.4 MPG Highway Percentage 52 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2005 13.1 MPG Highway Percentage 20 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2005 13.1 MPG Highway Percentage 10 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2005 9.5 MPG Highway Percentage 55 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2004.5 10.7 MPG Highway Percentage 50 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2004 8.4 MPG Highway Percentage 14 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2004 13.1 MPG Highway Percentage 15 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2004 8.0 MPG Highway Percentage 62 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2004 8.6 MPG Highway Percentage 50 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 12.6 MPG Highway Percentage 30 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 8.6 MPG Highway Percentage 50 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 10.9 MPG Highway Percentage 40 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 8.2 MPG Highway Percentage 80 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 9.8 MPG Highway Percentage 60 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 7.8 MPG Highway Percentage 65 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 7.5 MPG Highway Percentage 75 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2002 10.2 MPG Highway Percentage 15 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2002 11.8 MPG Highway Percentage 10 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2002 11.2 MPG Highway Percentage 16 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2002 11.4 MPG Highway Percentage 20 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2002 10.3 MPG Highway Percentage 48 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2001 10.1 MPG Highway Percentage 27 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 L/100km
2018 2dr Convertible turbocharged 241hp 2.0L I4
9-speed shiftable automatic RWD		 flat med light 0 5 25 70 75 8.3  
2017 4dr Sedan turbocharged 241hp 2.0L I4
7-speed shiftable automatic RWD		 flat v.lt hvy 1 4 5 90 130 7.2  
2016 4dr Sedan turbocharged 241hp 2.0L I4
7-speed shiftable automatic AWD		 flat v.lt light 0 0 46 54 106 8.9  
2015 4dr Sedan turbocharged 241hp 2.0L I4
7-speed shiftable automatic AWD		 flat med hvy 5 70 5 20 65 10.1  
2014 4dr Sedan 248-horsepower 3.5L V6
7-speed shiftable automatic AWD		 flat v.lt hvy 14 29 8 48 64 10.3  
2013 4dr Sedan turbocharged 201hp 1.8L I4
7-speed shiftable automatic RWD		 flat med light 10 10 45 35 75 10.2  
2012 2dr Coupe turbocharged 201hp 1.8L I4
7-speed shiftable automatic RWD		 flat v.lt none 0 5 5 90 60 6.8  
Looking for a warranty? Get a quote.
2012 2dr Coupe 302-horsepower 3.5L V6
7-speed shiftable automatic RWD		 flat med light 10 2 8 80 75 8.3  
2011 4dr Sedan turbocharged 134hp 2.1L I4 Diesel
7-speed shiftable automatic RWD		 flat light none 0 5 20 75 60 6.0  
2011 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic RWD		 hills light none 10 0 40 50 75 9.8  
2011 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic AWD		 hills light light 0 5 55 40 70 8.5  
2010 4dr Sedan 451-horsepower 6.2L V8
7-speed shiftable automatic RWD		 flat med none 40 19 8 32 80 14.2  
2010 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic RWD		 flat light hvy 40 0 25 35 70 10.7  
2010 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic AWD		 flat med light 0 18 35 47 77 9.4  
2009 4dr Sedan turbocharged 168hp 2.1L I4 Diesel
6-speed manual RWD		 flat med light 60 20 20 0 0 8.0  
2009 4dr Sedan supercharged 181hp 1.8L I4
5-speed shiftable automatic RWD		 hills light none 20 38 25 18 95 9.0  
2009 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic RWD		 mtns lead light 5 40 15 40 180 13.0  
2009 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic RWD		 flat light light 23 26 18 33 68 11.1  
2009 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic AWD		 flat light none 15 3 6 76 67 9.0  
2008 4dr Sedan supercharged 181hp 1.8L I4
5-speed shiftable automatic RWD		 hills med light 10 20 30 40 110 9.5  
2008 4dr Sedan supercharged 154hp 1.8L I4
5-speed shiftable automatic RWD		 flat light light 12 16 12 60 100 9.5  
2008 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic RWD		 flat med hvy 13 28 18 42 68 11.0  
2008 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic AWD		 flat med hvy 10 20 10 60 120 10.6  
2008 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic RWD		 flat med light 12 25 21 42 68 10.9  
2008 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic AWD		 flat light light 6 10 47 37 68 10.9  
2008 4dr Sedan 228-horsepower 3.0L V6
6-speed manual RWD		 hills light light 7 20 14 59 77 9.7  
2008 4dr Sedan 201-horsepower 2.5L V6
7-speed shiftable automatic AWD		 flat light none 10 40 20 30 100 10.0  
2007 4dr Sedan 268-horsepower 3.5L V6
6-speed manual RWD		 flat med none 0 0 35 65 68 11.1  
2007 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic RWD		 flat med hvy 1 12 59 28 63 9.4  
2007 4dr Sedan 228-horsepower 3.0L V6
5-speed shiftable automatic AWD		 hills med none 15 13 15 58 73 9.9  
2007 4dr Sedan 201-horsepower 2.5L V6
7-speed shiftable automatic RWD		 hills med hvy 30 5 5 60 60 9.2  
2006 4dr Sedan 362-horsepower 5.4L V8
5-speed shiftable automatic RWD		 flat med none 30 0 20 50 70 11.9  
2006 4dr Sedan 268-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat lead hvy 5 5 80 10 60 11.4  
2006 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic RWD		 hills lead none 0 25 5 70 63 8.0  
2006 4dr Sedan 228-horsepower 3.0L V6
5-speed shiftable automatic AWD		 hills light light 0 57 0 43 60 13.1  
2006 4dr Sedan 201-horsepower 2.5L V6
7-speed shiftable automatic RWD		 flat light hvy 13 27 33 28 65 9.7  
2006 4dr Sedan 201-horsepower 2.5L V6
6-speed manual RWD		 flat med hvy 3 27 30 40 73 9.2  
2005 4dr Sedan supercharged 189hp 1.8L I4
6-speed manual RWD		 flat light light 10 36 18 36 66 8.1  
2005 4dr Sedan supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD		 flat med light 7 18 23 52 69 8.4  
2005 4dr Sedan 362-horsepower 5.4L V8
5-speed shiftable automatic RWD		 flat med none 0 70 10 20 80 13.1  
2005 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic AWD		 flat med none 10 55 25 10 60 13.1  
2005 2dr Hatch supercharged 189hp 1.8L I4
6-speed manual RWD		 flat lead hvy 0 38 8 55 93 9.5  
2004.5 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic RWD		 hills lead hvy 10 10 30 50 75 10.7  
2004 4dr Wagon 215-horsepower 3.2L V6
5-speed shiftable automatic RWD		 hills med light 10 19 58 14 100 8.4  
2004 4dr Wagon 168-horsepower 2.6L V6
5-speed shiftable automatic AWD		 hills med light 0 65 20 15 60 13.1  
2004 4dr Sedan supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD		 hills med light 9 7 22 62 76 8.0  
2004 2dr Hatch supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD		 flat light none 20 10 20 50 65 8.6  
2003 4dr Wagon 168-horsepower 2.6L V6
5-speed shiftable automatic AWD		 flat med none 22 23 24 30 65 12.6  
2003 4dr Sedan supercharged 189hp 1.8L I4
6-speed manual RWD		 flat med light 1 4 46 50 73 8.6  
2003 4dr Sedan supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD		 flat med light 18 28 13 40 107 10.9  
2003 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic RWD		 hills med hvy 0 3 17 80 72 8.2  
2003 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic AWD		 flat med none 10 15 15 60 70 9.8  
2003 2dr Hatch supercharged 189hp 1.8L I4
6-speed manual RWD		 flat light none 3 4 27 65 83 7.8  
2003 2dr Hatch supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD		 mtns med hvy 3 5 18 75 130 7.5  
2002 4dr Wagon 215-horsepower 3.2L V6
5-speed shiftable automatic RWD		 flat med hvy 5 15 65 15 65 10.2  
2002 4dr Sedan 215-horsepower 3.2L V6
5-speed shiftable automatic RWD		 flat med light 20 60 10 10 60 11.8  
2002 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic RWD		 flat med none 30 30 25 16 60 11.2  
2002 2dr Hatch supercharged 192hp 2.3L I4
6-speed manual RWD		 flat med none 10 53 17 20 130 11.4  
2002 2dr Hatch supercharged 192hp 2.3L I4
5-speed shiftable automatic RWD		 hills med hvy 12 12 30 48 73 10.3  
2001 4dr Sedan 215-horsepower 3.2L V6
5-speed shiftable automatic RWD		 flat med light 27 5 41 27 130 10.1  

Return to top

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

Audi A6 / S6 / RS6 vs. Mercedes-Benz C-Class Fuel Economy (L/100km)

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 Audi A6 / S6 / RS6 and Mercedes-Benz C-Class's where a car was driven. So you can get an idea of their real-world L/100km based on how and where you drive a car.

See TrueDelta's information for all Sedans and Wagons.
See TrueDelta's information for all Audi models and Mercedes-Benz models.

What Our Members Are Saying about the Real Gas Mileage of the Audi A6 / S6 / RS6

Audi A6 / S6 / RS6 Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 It is @ least 4 mpg better hwy & city see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 It's hard to imagine such a powerful luxury car can get such great gas mileage. On a recent trip to Montreal I calculated my fuel economy to be somewhere in the 27mpg range....incredible! see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 better then 28 mpg on highway due to transmission gearing see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 Despite the performance of the A6 3.2 it delivers great mpg for such a large car. It excels on the open road. With cruise it is possible to achieve a range of 650+ miles on a tankful. see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 With the FSI and V6, I regularly see 27 mpg in city. And arround 30-32 mpg highway (no A/C on, and cruising at 80 mph). see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 21=22 mpg in cit/commute/highway driving -- pretty good for a large luxury car that weighs 4000+ pounds. see full Audi A6 / S6 / RS6 review
2004 4dr Sedan 220-horsepower 3.0L V6
6-speed shiftable CVT FWD		 Typically 22-24 in-town and 29-31 on the road. Excellent economy for car size and level of comfort. see full Audi A6 / S6 / RS6 review
Audi A6 / S6 / RS6 Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr Wagon 255-horsepower 3.1L V6
6-speed shiftable automatic AWD		 Poor relative to power see full Audi A6 / S6 / RS6 review
2006 4dr Sedan 335-horsepower 4.2L V8
6-speed shiftable automatic AWD		 this is not a car to be used as a city daily driver -- the best mpg you will get in all city driving is 12mpg see full Audi A6 / S6 / RS6 review
2002 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD		 For a car that requires 91+ octane, it would be nice if it got better gas mileage in city driving (around 16-18 mpg). The mileage on the highway is much better (up to 26 mpg). see full Audi A6 / S6 / RS6 review
 

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

Mercedes-Benz C-Class Real Gas Mileage: Pros
YearBody/PowertrainComment
2009 4dr Sedan supercharged 181hp 1.8L I4
5-speed shiftable automatic RWD		 Excellent highway economy for a luxury car. see full Mercedes-Benz C-Class review
2006 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic RWD		 24mpg city, 32 mgp highway, surpasses many economy cars, tho uses premium fuel. see full Mercedes-Benz C-Class review
2005 4dr Sedan supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD		 Choose the 1.8L for its lowest gaz consumption and I am very satisfied with the results. This engine is able to keep te gaz bill low, and provide a driving experience with surprising excitment. see full Mercedes-Benz C-Class review
2005 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic AWD		 better than rated fuel economy. we gat 25 mpg overall, and over 29 mpg on trips. see full Mercedes-Benz C-Class review
2004 4dr Sedan supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD		 30-35+ mpg on highway trips.28-30 mpg in town see full Mercedes-Benz C-Class review
2003 2dr Hatch supercharged 189hp 1.8L I4
6-speed manual RWD		 Better than ratings on Highway see full Mercedes-Benz C-Class review
2003 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic RWD		 I figured I could get over 30 on trips, which I can. Hoped to stay above 25 around town, which I do. see full Mercedes-Benz C-Class review
Mercedes-Benz C-Class Real Gas Mileage: Cons
YearBody/PowertrainComment
2008 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic RWD		 Slow to downshift, so-so fuel economy in the city. Should really have 30 more horsepower. see full Mercedes-Benz C-Class review
2008 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic RWD		 Fuel economy is about averge for this type of car, perhaps a bit less, but not a major deal. see full Mercedes-Benz C-Class review
2004 4dr Wagon 168-horsepower 2.6L V6
5-speed shiftable automatic AWD		 The city mpg is usually around 15-17 mpg. Now that's for a hilly neighborhood in a big city, but still. True highway mileage usually about 26 - that's reasonable enough for us. see full Mercedes-Benz C-Class review