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Cadillac STS vs. Mazda CX-9 Fuel Economy (km/L)

Chart is based on 28 fuel economy reports for the Cadillac STS and 335 fuel economy reports for the Mazda CX-9.

Cadillac STS km/L

Cadillac STS Cadillac STS 2008 47.2 MPG Highway Percentage 90 percent Cadillac STS Cadillac STS 2008 51.1 MPG Highway Percentage 50 percent Cadillac STS Cadillac STS 2007 51.8 MPG Highway Percentage 28 percent Cadillac STS Cadillac STS 2006 57.6 MPG Highway Percentage 100 percent Cadillac STS Cadillac STS 2006 47.1 MPG Highway Percentage 60 percent Cadillac STS Cadillac STS 2006 44.7 MPG Highway Percentage 20 percent Cadillac STS Cadillac STS 2005 48.3 MPG Highway Percentage 53 percent Cadillac STS Cadillac STS 2005 21.0 MPG Highway Percentage 40 percent Cadillac STS Cadillac STS 2005 49.4 MPG Highway Percentage 45 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 km/L
2008 4dr Sedan 320-horsepower 4.6L V8
6-speed shiftable automatic AWD		 flat v.lt light 0 10 0 90 60 47.2  
2008 4dr Sedan 302-horsepower 3.6L V6
6-speed shiftable automatic RWD		 flat med light 9 11 30 50 73 51.1  
2007 4dr Sedan 320-horsepower 4.6L V8
6-speed shiftable automatic RWD		 flat med light 3 50 20 28 70 51.8  
2006 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD		 mtns light none 0 0 0 100 65 57.6  
2006 4dr Sedan 254-horsepower 3.6L V6
5-speed shiftable automatic RWD		 flat med light 20 9 10 60 67 47.1  
2006 4dr Sedan 254-horsepower 3.6L V6
5-speed shiftable automatic AWD		 flat light none 0 45 35 20 60 44.7  
2005 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD		 flat med light 0 3 43 53 67 48.3  
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2005 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic AWD		 flat med light 10 45 5 40 70 21.0  
2005 4dr Sedan 255-horsepower 3.6L V6
5-speed shiftable automatic RWD		 flat light light 5 20 30 45 60 49.4  

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

Mazda CX-9 km/L

Mazda CX-9 Mazda CX-9 2019 59.3 MPG Highway Percentage 50 percent Mazda CX-9 Mazda CX-9 2017 46.3 MPG Highway Percentage 40 percent Mazda CX-9 Mazda CX-9 2013 49.5 MPG Highway Percentage 5 percent Mazda CX-9 Mazda CX-9 2012 47.6 MPG Highway Percentage 97 percent Mazda CX-9 Mazda CX-9 2012 38.8 MPG Highway Percentage 15 percent Mazda CX-9 Mazda CX-9 2011 34.6 MPG Highway Percentage 21 percent Mazda CX-9 Mazda CX-9 2011 45.3 MPG Highway Percentage 55 percent Mazda CX-9 Mazda CX-9 2010 43.2 MPG Highway Percentage 37 percent Mazda CX-9 Mazda CX-9 2010 34.0 MPG Highway Percentage 29 percent Mazda CX-9 Mazda CX-9 2009 44.0 MPG Highway Percentage 14 percent Mazda CX-9 Mazda CX-9 2009 42.1 MPG Highway Percentage 50 percent Mazda CX-9 Mazda CX-9 2008 46.3 MPG Highway Percentage 68 percent Mazda CX-9 Mazda CX-9 2008 43.1 MPG Highway Percentage 54 percent Mazda CX-9 Mazda CX-9 2007 46.4 MPG Highway Percentage 43 percent Mazda CX-9 Mazda CX-9 2007 42.4 MPG Highway Percentage 54 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 km/L
2019 4dr SUV turbocharged 250hp 2.5L I4
6-speed shiftable automatic AWD		 flat light none 0 50 0 50 50 59.3  
2017 4dr SUV turbocharged 250hp 2.5L I4
6-speed shiftable automatic AWD		 flat med none 5 5 50 40 75 46.3  
2013 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat light light 0 95 0 5 70 49.5  
2012 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 hills med none 0 0 4 97 78 47.6  
2012 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat med light 0 5 80 15 70 38.8  
2011 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 flat med hvy 44 20 15 21 64 34.6  
2011 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat light light 0 10 35 55 63 45.3  
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2010 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 flat light light 33 17 13 37 63 43.2  
2010 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 hills light none 6 48 17 29 73 34.0  
2009 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 hills med light 5 19 61 14 62 44.0  
2009 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat med none 7 26 18 50 66 42.1  
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 flat med light 4 15 13 68 72 46.3  
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 flat light light 6 15 25 54 70 43.1  
2007 4dr SUV 263-horsepower 3.5L V6
6-speed shiftable automatic FWD		 flat med hvy 13 19 25 43 67 46.4  
2007 4dr SUV 263-horsepower 3.5L V6
6-speed shiftable automatic AWD		 flat light none 10 20 16 54 69 42.4  

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This page shows only averages. See all the Mazda CX-9 fuel economy data.

Cadillac STS vs. Mazda CX-9 Fuel Economy (km/L)

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 STS and Mazda CX-9's where a car was driven. So you can get an idea of their real-world km/L based on how and where you drive a car.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Cadillac models and Mazda models.

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

Cadillac STS Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD		 16 city/21 highway. Buy it only if you can afford it with out complaining. see full Cadillac STS review
2005 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic AWD		 This car is thirsty. I live in flat country and I get 15 mpg with 80% highway traffic. I only get 19 mpg on trips. It probably needs a 6th speed overdive for the highway. see full Cadillac STS review
 

What Our Members Are Saying about the Real Gas Mileage of the Mazda CX-9

Mazda CX-9 Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 avg 18mpg for a large vehicle see full Mazda CX-9 review
2007 4dr SUV 263-horsepower 3.5L V6
6-speed shiftable automatic FWD		 Uses regular gas. I have been getting about 19-20 MPG with mostly rush hour highway driving. see full Mazda CX-9 review
Mazda CX-9 Real Gas Mileage: Cons
YearBody/PowertrainComment
2012 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 EPA ratings of 17/24, but I've averaged barely 18 overall in my first 1200 miles...hoping for a slight improvement after break-in. UPDATE- as of 02/11/2013, I am averaging 20-21mpg overall with 4200 miles on the clock. On a recent 380-mile interstate trip, I managed 22.8mpg with the cruise set at 80mph. see full Mazda CX-9 review
2009 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 A bit lower than the competitions see full Mazda CX-9 review
2009 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 in city gives about 13-14 mpg. Highway is still good. I can get 21-23 mpg on highways see full Mazda CX-9 review
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic AWD		 The AWD feature does use more gas than a FWD vehicle. Averages about 17-18 city and about 20 highway. see full Mazda CX-9 review
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 The fuel economy was lower than for the Murano. The plus is that it uses regular. see full Mazda CX-9 review
2008 4dr SUV 273-horsepower 3.7L V6
6-speed shiftable automatic FWD		 too low see full Mazda CX-9 review
2007 4dr SUV 263-horsepower 3.5L V6
6-speed shiftable automatic AWD		 Could be better. I have seen 24mpg as a high on the highway....but usually closer to 21-22. Around town is 17-18. see full Mazda CX-9 review
2007 4dr SUV 263-horsepower 3.5L V6
6-speed shiftable automatic AWD		 Around town mileage is low. see full Mazda CX-9 review