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Cadillac CTS vs. Mercedes-Benz R-Class MPG

Chart is based on 133 fuel economy reports for the Cadillac CTS and 37 fuel economy reports for the Mercedes-Benz R-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 R-Class MPG

Mercedes-Benz R-Class Mercedes-Benz R-Class 2010 23.7 MPG Highway Percentage 40 percent Mercedes-Benz R-Class Mercedes-Benz R-Class 2008 20.8 MPG Highway Percentage 55 percent Mercedes-Benz R-Class Mercedes-Benz R-Class 2008 20.1 MPG Highway Percentage 44 percent Mercedes-Benz R-Class Mercedes-Benz R-Class 2007 25.0 MPG Highway Percentage 45 percent Mercedes-Benz R-Class Mercedes-Benz R-Class 2007 16.4 MPG Highway Percentage 26 percent Mercedes-Benz R-Class Mercedes-Benz R-Class 2006 15.2 MPG Highway Percentage 19 percent Mercedes-Benz R-Class Mercedes-Benz R-Class 2006 20.0 MPG Highway Percentage 48 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
2010 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat med hvy 10 15 35 40 75 23.7  
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
hills med light 0 0 45 55 71 20.8  
2008 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
flat med light 2 34 21 44 74 20.1  
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat light light 3 24 27 45 83 25.0  
2007 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
flat light none 13 23 38 26 65 16.4  
2006 4dr SUV 302-horsepower 5.0L V8
7-speed shiftable automatic AWD
flat med none 23 40 18 19 70 15.2  
2006 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
flat med light 6 22 24 48 68 20.0  

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Cadillac CTS vs. Mercedes-Benz R-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 R-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 R-Class

Mercedes-Benz R-Class Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
Excellent. We average 27 on the highway travelling at 70+mph see full Mercedes-Benz R-Class review
2009 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
Pleasantly surprised by first tankful. 16.2 mpg in the city. Mostly used "comfort" setting which starts out in 2nd gear and shifts early. With this nonaggressive profile, city driving economy is improved. Premium gives better gas mileage than regular (about 5% on comparable tankfuls). On Comfort setting, no difference in performance is noted. see full Mercedes-Benz R-Class review
2008 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
It easily gets to 20 mpg on highway. About 18 on mixed driving see full Mercedes-Benz R-Class review
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
Excellent fuel economy with the diesel, especially when driven gently. Also amazing power at the same time see full Mercedes-Benz R-Class review
2007 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
15mpg city....25 mpg highway....combined is around 17-18 mpg. Not bad considering how heavy this car is. Of course i am very light to the pedal trying to keep my mpg high. Gas is too expensive nowadays so if i don't need to be fast, i am keeping it steady. see full Mercedes-Benz R-Class review
2006 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
Much better than expected for a very large and long vehicle. Close to 25MPG on longer trips. see full Mercedes-Benz R-Class review
Mercedes-Benz R-Class Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
15 mpg average. Not good see full Mercedes-Benz R-Class review
2007 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
Pretty poor for a 3.5L. see full Mercedes-Benz R-Class review
2007 4dr SUV 302-horsepower 5.0L V8
7-speed shiftable automatic AWD
F-E is poor because of the weight to power ratio. The vehicle is heavy. With the available power, it is easy to drive faster and to maneuver through slower traffic. Frequent acceleration results in lower gas mileage. see full Mercedes-Benz R-Class review
2006 4dr SUV 268-horsepower 3.5L V6
7-speed shiftable automatic AWD
I would probably choose a diesel next time for efficiency reasons - but the additional premium fuel required in the V6 is negligible once the car is paid for....soon now. Very lively engine too. I foresee a hybrid R class type vehicle after 2011... see full Mercedes-Benz R-Class review
2006 4dr SUV 302-horsepower 5.0L V8
7-speed shiftable automatic AWD
only 17 mpg highway see full Mercedes-Benz R-Class review