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Cadillac CTS vs. Mercedes-Benz C-Class MPG

Chart is based on 133 fuel economy reports for the Cadillac CTS and 204 fuel economy reports for the Mercedes-Benz C-Class.

Cadillac CTS MPG

Cadillac CTS Cadillac CTS 2016 22.1 MPG Highway Percentage 40 percent Cadillac CTS Cadillac CTS 2011 18.0 MPG Highway Percentage 23 percent Cadillac CTS Cadillac CTS 2010 23.0 MPG Highway Percentage 93 percent Cadillac CTS Cadillac CTS 2010 18.2 MPG Highway Percentage 34 percent Cadillac CTS Cadillac CTS 2010 25.5 MPG Highway Percentage 100 percent Cadillac CTS Cadillac CTS 2009 15.3 MPG Highway Percentage 44 percent Cadillac CTS Cadillac CTS 2009 13.2 MPG Highway Percentage 55 percent Cadillac CTS Cadillac CTS 2009 22.6 MPG Highway Percentage 53 percent Cadillac CTS Cadillac CTS 2009 19.8 MPG Highway Percentage 37 percent Cadillac CTS Cadillac CTS 2008 19.7 MPG Highway Percentage 24 percent Cadillac CTS Cadillac CTS 2008 19.7 MPG Highway Percentage 31 percent Cadillac CTS Cadillac CTS 2008 22.5 MPG Highway Percentage 53 percent Cadillac CTS Cadillac CTS 2008 23.4 MPG Highway Percentage 74 percent Cadillac CTS Cadillac CTS 2008 19.3 MPG Highway Percentage 17 percent Cadillac CTS Cadillac CTS 2007 20.3 MPG Highway Percentage 78 percent Cadillac CTS Cadillac CTS 2007 19.5 MPG Highway Percentage 30 percent Cadillac CTS Cadillac CTS 2006 18.4 MPG Highway Percentage 35 percent Cadillac CTS Cadillac CTS 2006 21.0 MPG Highway Percentage 60 percent Cadillac CTS Cadillac CTS 2006 21.3 MPG Highway Percentage 72 percent Cadillac CTS Cadillac CTS 2006 16.8 MPG Highway Percentage 25 percent Cadillac CTS Cadillac CTS 2006 19.2 MPG Highway Percentage 23 percent Cadillac CTS Cadillac CTS 2005 20.7 MPG Highway Percentage 57 percent Cadillac CTS Cadillac CTS 2005 20.2 MPG Highway Percentage 48 percent Cadillac CTS Cadillac CTS 2005 23.9 MPG Highway Percentage 47 percent Cadillac CTS Cadillac CTS 2004 21.2 MPG Highway Percentage 70 percent Cadillac CTS Cadillac CTS 2004 21.9 MPG Highway Percentage 45 percent Cadillac CTS Cadillac CTS 2004 25.6 MPG Highway Percentage 80 percent Cadillac CTS Cadillac CTS 2003 22.9 MPG Highway Percentage 40 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
2016 4dr Sedan turbocharged 268hp 2.0L I4
8-speed shiftable automatic AWD
flat med light 0 0 60 40 70 22.1  
2011 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic AWD
flat med hvy 23 40 13 23 83 18.0  
2010 4dr Wagon 304-horsepower 3.6L V6
6-speed shiftable automatic AWD
hills light light 0 5 2 93 60 23.0  
2010 4dr Wagon 270-horsepower 3.0L V6
6-speed shiftable automatic AWD
flat v.lt none 0 64 3 34 70 18.2  
2010 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic RWD
flat light none 0 0 0 100 70 25.5  
2009 4dr Sedan supercharged 556hp 6.2L V8
6-speed shiftable automatic RWD
hills lead light 10 8 39 44 62 15.3  
2009 4dr Sedan supercharged 556hp 6.2L V8
6-speed manual RWD
hills lead light 5 5 35 55 65 13.2  
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2009 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic RWD
hills med hvy 11 16 21 53 71 22.6  
2009 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic AWD
flat med light 3 18 42 37 57 19.8  
2008 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic RWD
flat light light 10 32 34 24 72 19.7  
2008 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic AWD
flat med none 4 23 42 31 70 19.7  
2008 4dr Sedan 304-horsepower 3.6L V6
6-speed manual RWD
hills med light 8 25 15 53 75 22.5  
2008 4dr Sedan 263-horsepower 3.6L V6
6-speed shiftable automatic RWD
flat light none 1 6 19 74 70 23.4  
2008 4dr Sedan 263-horsepower 3.6L V6
6-speed shiftable automatic AWD
hills med light 0 0 83 17 70 19.3  
2007 4dr Sedan 255-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat light light 4 9 9 78 71 20.3  
2007 4dr Sedan 210-horsepower 2.8L V6
5-speed shiftable automatic RWD
mtns lead light 0 0 70 30 60 19.5  
2006 4dr Sedan 400-horsepower 6.0L V8
6-speed manual RWD
flat med hvy 15 50 0 35 70 18.4  
2006 4dr Sedan 255-horsepower 3.6L V6
6-speed manual RWD
flat lead light 25 10 5 60 85 21.0  
2006 4dr Sedan 255-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat med light 7 11 11 72 80 21.3  
2006 4dr Sedan 210-horsepower 2.8L V6
6-speed manual RWD
flat light none 5 20 50 25 100 16.8  
2006 4dr Sedan 210-horsepower 2.8L V6
5-speed shiftable automatic RWD
flat med light 7 20 50 23 67 19.2  
2005 4dr Sedan 400-horsepower 5.7L V8
6-speed manual RWD
flat med light 7 13 24 57 69 20.7  
2005 4dr Sedan 255-horsepower 3.6L V6
6-speed manual RWD
flat med none 2 15 35 48 60 20.2  
2005 4dr Sedan 255-horsepower 3.6L V6
5-speed automatic RWD
flat med light 8 12 33 47 69 23.9  
2004 4dr Sedan 400-horsepower 5.7L V8
6-speed manual RWD
flat med light 0 0 30 70 67 21.2  
2004 4dr Sedan 255-horsepower 3.6L V6
5-speed automatic RWD
flat med none 7 25 24 45 66 21.9  
2004 4dr Sedan 220-horsepower 3.2L V6
5-speed manual RWD
flat med light 10 10 0 80 70 25.6  
2003 4dr Sedan 220-horsepower 3.2L V6
5-speed automatic RWD
flat med light 10 17 33 40 91 22.9  

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This page shows only averages. See all the Cadillac CTS fuel economy data.

Mercedes-Benz C-Class MPG

Mercedes-Benz C-Class Mercedes-Benz C-Class 2018 28.3 MPG Highway Percentage 70 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2017 32.5 MPG Highway Percentage 90 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2016 27.4 MPG Highway Percentage 54 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2015 23.3 MPG Highway Percentage 20 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2014 22.8 MPG Highway Percentage 48 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2013 23.1 MPG Highway Percentage 35 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2012 34.7 MPG Highway Percentage 90 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2012 28.5 MPG Highway Percentage 80 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2011 39.1 MPG Highway Percentage 75 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2011 24.1 MPG Highway Percentage 50 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2011 28.1 MPG Highway Percentage 40 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2010 16.6 MPG Highway Percentage 32 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2010 22.0 MPG Highway Percentage 35 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2010 25.4 MPG Highway Percentage 47 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2009 29.4 MPG Highway Percentage 0 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2009 26.2 MPG Highway Percentage 18 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2009 18.1 MPG Highway Percentage 40 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2009 22.2 MPG Highway Percentage 33 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2009 26.2 MPG Highway Percentage 76 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 24.8 MPG Highway Percentage 40 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 24.8 MPG Highway Percentage 60 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 21.9 MPG Highway Percentage 42 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 22.2 MPG Highway Percentage 60 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 22.2 MPG Highway Percentage 42 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 22.0 MPG Highway Percentage 37 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 24.9 MPG Highway Percentage 59 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2008 23.5 MPG Highway Percentage 30 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2007 21.4 MPG Highway Percentage 65 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2007 25.0 MPG Highway Percentage 28 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2007 24.1 MPG Highway Percentage 58 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2007 25.7 MPG Highway Percentage 60 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 19.7 MPG Highway Percentage 50 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 20.7 MPG Highway Percentage 10 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 29.4 MPG Highway Percentage 70 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 18.0 MPG Highway Percentage 43 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 24.4 MPG Highway Percentage 28 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2006 25.6 MPG Highway Percentage 40 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2005 29.1 MPG Highway Percentage 36 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2005 28.2 MPG Highway Percentage 52 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2005 18.0 MPG Highway Percentage 20 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2005 18.0 MPG Highway Percentage 10 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2005 27.5 MPG Highway Percentage 55 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2004.5 22.0 MPG Highway Percentage 50 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2004 28.0 MPG Highway Percentage 14 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2004 18.0 MPG Highway Percentage 15 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2004 29.6 MPG Highway Percentage 62 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2004 27.3 MPG Highway Percentage 50 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 18.7 MPG Highway Percentage 30 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 28.1 MPG Highway Percentage 50 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 21.7 MPG Highway Percentage 40 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 28.7 MPG Highway Percentage 80 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 24.0 MPG Highway Percentage 60 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 30.2 MPG Highway Percentage 65 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2003 31.5 MPG Highway Percentage 75 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2002 23.0 MPG Highway Percentage 15 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2002 20.0 MPG Highway Percentage 10 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2002 21.0 MPG Highway Percentage 16 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2002 20.7 MPG Highway Percentage 20 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2002 22.9 MPG Highway Percentage 48 percent Mercedes-Benz C-Class Mercedes-Benz C-Class 2001 23.3 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 MPG
2018 2dr Convertible turbocharged 241hp 2.0L I4
9-speed shiftable automatic RWD
flat med light 0 5 25 70 75 28.3  
2017 4dr Sedan turbocharged 241hp 2.0L I4
7-speed shiftable automatic RWD
flat v.lt hvy 1 4 5 90 130 32.5  
2016 4dr Sedan turbocharged 241hp 2.0L I4
7-speed shiftable automatic AWD
flat v.lt light 0 0 46 54 106 27.4  
2015 4dr Sedan turbocharged 241hp 2.0L I4
7-speed shiftable automatic AWD
flat med hvy 5 70 5 20 65 23.3  
2014 4dr Sedan 248-horsepower 3.5L V6
7-speed shiftable automatic AWD
flat v.lt hvy 14 29 8 48 64 22.8  
2013 4dr Sedan turbocharged 201hp 1.8L I4
7-speed shiftable automatic RWD
flat med light 10 10 45 35 75 23.1  
2012 2dr Coupe turbocharged 201hp 1.8L I4
7-speed shiftable automatic RWD
flat v.lt none 0 5 5 90 60 34.7  
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2012 2dr Coupe 302-horsepower 3.5L V6
7-speed shiftable automatic RWD
flat med light 10 2 8 80 75 28.5  
2011 4dr Sedan turbocharged 134hp 2.1L I4 Diesel
7-speed shiftable automatic RWD
flat light none 0 5 20 75 60 39.1  
2011 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
hills light none 10 0 40 50 75 24.1  
2011 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic AWD
hills light light 0 5 55 40 70 28.1  
2010 4dr Sedan 451-horsepower 6.2L V8
7-speed shiftable automatic RWD
flat med none 40 19 8 32 80 16.6  
2010 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
flat light hvy 40 0 25 35 70 22.0  
2010 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic AWD
flat med light 0 18 35 47 77 25.4  
2009 4dr Sedan turbocharged 168hp 2.1L I4 Diesel
6-speed manual RWD
flat med light 60 20 20 0 0 29.4  
2009 4dr Sedan supercharged 181hp 1.8L I4
5-speed shiftable automatic RWD
hills light none 20 38 25 18 95 26.2  
2009 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
mtns lead light 5 40 15 40 180 18.1  
2009 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic RWD
flat light light 23 26 18 33 68 22.2  
2009 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic AWD
flat light none 15 3 6 76 67 26.2  
2008 4dr Sedan supercharged 181hp 1.8L I4
5-speed shiftable automatic RWD
hills med light 10 20 30 40 110 24.8  
2008 4dr Sedan supercharged 154hp 1.8L I4
5-speed shiftable automatic RWD
flat light light 12 16 12 60 100 24.8  
2008 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
flat med hvy 13 28 18 42 68 21.9  
2008 4dr Sedan 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
flat med hvy 10 20 10 60 120 22.2  
2008 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic RWD
flat med light 12 25 21 42 68 22.2  
2008 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic AWD
flat light light 6 10 47 37 68 22.0  
2008 4dr Sedan 228-horsepower 3.0L V6
6-speed manual RWD
hills light light 7 20 14 59 77 24.9  
2008 4dr Sedan 201-horsepower 2.5L V6
7-speed shiftable automatic AWD
flat light none 10 40 20 30 100 23.5  
2007 4dr Sedan 268-horsepower 3.5L V6
6-speed manual RWD
flat med none 0 0 35 65 68 21.4  
2007 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic RWD
flat med hvy 1 12 59 28 63 25.0  
2007 4dr Sedan 228-horsepower 3.0L V6
5-speed shiftable automatic AWD
hills med none 15 13 15 58 73 24.1  
2007 4dr Sedan 201-horsepower 2.5L V6
7-speed shiftable automatic RWD
hills med hvy 30 5 5 60 60 25.7  
2006 4dr Sedan 362-horsepower 5.4L V8
5-speed shiftable automatic RWD
flat med none 30 0 20 50 70 19.7  
2006 4dr Sedan 268-horsepower 3.5L V6
5-speed shiftable automatic AWD
flat lead hvy 5 5 80 10 60 20.7  
2006 4dr Sedan 228-horsepower 3.0L V6
7-speed shiftable automatic RWD
hills lead none 0 25 5 70 63 29.4  
2006 4dr Sedan 228-horsepower 3.0L V6
5-speed shiftable automatic AWD
hills light light 0 57 0 43 60 18.0  
2006 4dr Sedan 201-horsepower 2.5L V6
7-speed shiftable automatic RWD
flat light hvy 13 27 33 28 65 24.4  
2006 4dr Sedan 201-horsepower 2.5L V6
6-speed manual RWD
flat med hvy 3 27 30 40 73 25.6  
2005 4dr Sedan supercharged 189hp 1.8L I4
6-speed manual RWD
flat light light 10 36 18 36 66 29.1  
2005 4dr Sedan supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD
flat med light 7 18 23 52 69 28.2  
2005 4dr Sedan 362-horsepower 5.4L V8
5-speed shiftable automatic RWD
flat med none 0 70 10 20 80 18.0  
2005 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic AWD
flat med none 10 55 25 10 60 18.0  
2005 2dr Hatch supercharged 189hp 1.8L I4
6-speed manual RWD
flat lead hvy 0 38 8 55 93 27.5  
2004.5 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic RWD
hills lead hvy 10 10 30 50 75 22.0  
2004 4dr Wagon 215-horsepower 3.2L V6
5-speed shiftable automatic RWD
hills med light 10 19 58 14 100 28.0  
2004 4dr Wagon 168-horsepower 2.6L V6
5-speed shiftable automatic AWD
hills med light 0 65 20 15 60 18.0  
2004 4dr Sedan supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD
hills med light 9 7 22 62 76 29.6  
2004 2dr Hatch supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD
flat light none 20 10 20 50 65 27.3  
2003 4dr Wagon 168-horsepower 2.6L V6
5-speed shiftable automatic AWD
flat med none 22 23 24 30 65 18.7  
2003 4dr Sedan supercharged 189hp 1.8L I4
6-speed manual RWD
flat med light 1 4 46 50 73 28.1  
2003 4dr Sedan supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD
flat med light 18 28 13 40 107 21.7  
2003 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic RWD
hills med hvy 0 3 17 80 72 28.7  
2003 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic AWD
flat med none 10 15 15 60 70 24.0  
2003 2dr Hatch supercharged 189hp 1.8L I4
6-speed manual RWD
flat light none 3 4 27 65 83 30.2  
2003 2dr Hatch supercharged 189hp 1.8L I4
5-speed shiftable automatic RWD
mtns med hvy 3 5 18 75 130 31.5  
2002 4dr Wagon 215-horsepower 3.2L V6
5-speed shiftable automatic RWD
flat med hvy 5 15 65 15 65 23.0  
2002 4dr Sedan 215-horsepower 3.2L V6
5-speed shiftable automatic RWD
flat med light 20 60 10 10 60 20.0  
2002 4dr Sedan 168-horsepower 2.6L V6
5-speed shiftable automatic RWD
flat med none 30 30 25 16 60 21.0  
2002 2dr Hatch supercharged 192hp 2.3L I4
6-speed manual RWD
flat med none 10 53 17 20 130 20.7  
2002 2dr Hatch supercharged 192hp 2.3L I4
5-speed shiftable automatic RWD
hills med hvy 12 12 30 48 73 22.9  
2001 4dr Sedan 215-horsepower 3.2L V6
5-speed shiftable automatic RWD
flat med light 27 5 41 27 130 23.3  

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Cadillac CTS vs. Mercedes-Benz C-Class 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 Cadillac CTS and Mercedes-Benz C-Class'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 Sedans, Wagons, and Coupes.
See TrueDelta's information for all Cadillac models and Mercedes-Benz models.

TrueDelta Reviews the Real Gas Mileage of the Cadillac CTS

Cadillac CTS Real Gas Mileage: Cons
YearComment
With the 2011 528i, BMW pioneered the use of a turbocharged four-cylinder engine in a $60,000 midsize sedan on this side of the Atlantic. The point: fuel economy, specifically EPA ratings of 22 mpg city and 33 mpg highway even with all-wheel-drive (24/34 with RWD). Audi followed with an A6 2.0T good for 20/29 (25/33 with FWD) a year later. The new CTS takes the path blazed by the Germans, but much less effectively. Though the Cadillac weighs significantly less than the Audi or the BMW, its EPA ratings are lower, 19/28 (20/30 with RWD). The same is the case with the two 3.6-liter V6 engine options, even though unlike the turbo four they can be paired with an eight-speed (instead of a six-speed) automatic. The rear-drive-only Vsport barely evades the gas guzzler tax with ratings of 16/24. Even the 445-horsepower turbocharged 4.4-liter V8 in the BMW 550i does a bit better. In my real-world driving, the CTS's trip computer confirmed this shortcoming. Even considering that the outside temperature was near zero, post-warm-up averages that clustered around 18 were disappointing. Only by driving the car with a light foot could I nudge the suburban average over 20, and even then not much over. A 320-horsepower 3.0-liter 640i Grand Coupe tested a week earlier in similar conditions did at least one mpg better than the 272-horsepower, 2.0-liter Cadillac. And when I tested a 528i xDrive in slightly warmer temps it often managed 25 mpg (in an EcoPro Mode the Cadillac lacks). In one trip this BMW even touched 30. see full Cadillac CTS review
 

What Our Members Are Saying about the Real Gas Mileage of the Cadillac CTS

Cadillac CTS Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic RWD
fill for $50 on reg. today that is cheap see full Cadillac CTS review
2008 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic AWD
23 cty & 26 hwy need i say more see full Cadillac CTS review
2008 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic RWD
Averaging 25.5 on the highway. see full Cadillac CTS review
2003 4dr Sedan 220-horsepower 3.2L V6
5-speed automatic RWD
The fuel economy is better than expected, when driven in mixed city/highway driving. see full Cadillac CTS review
2003 4dr Sedan 220-horsepower 3.2L V6
5-speed automatic RWD
I get 25 miles per gallon - mostly highway driving - which is reasonable for a car of this size and performance. see full Cadillac CTS review
2003 4dr Sedan 220-horsepower 3.2L V6
5-speed automatic RWD
about 26 mpg is great....im use to driving a suv where im luckey to get 16mpg highway see full Cadillac CTS review
Cadillac CTS Real Gas Mileage: Cons
YearBody/PowertrainComment
2009 4dr Sedan supercharged 556hp 6.2L V8
6-speed shiftable automatic RWD
14mpg is not great. However, the performance makes more than up for it. see full Cadillac CTS review
2008 4dr Sedan 304-horsepower 3.6L V6
6-speed shiftable automatic AWD
City mileage acceptable; Highway mileage could be better. see full Cadillac CTS review
2005 4dr Sedan 255-horsepower 3.6L V6
5-speed automatic RWD
I get 20-21mpg on my commute which is about 70%hwy, and normally 25-27 with pure freeway driving, it just seems with technology today they could kick that up to 23-24 and 28-30 respectively. see full Cadillac CTS review
2004 4dr Sedan 255-horsepower 3.6L V6
5-speed automatic RWD
Average at best. Yea it is a heavy car with all the safety eqipment. see full Cadillac CTS 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