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BMW 7-Series vs. Cadillac STS Fuel Economy (L/100km)

Chart is based on 156 fuel economy reports for the BMW 7-Series and 28 fuel economy reports for the Cadillac STS.

BMW 7-Series L/100km

BMW 7-Series BMW 7-Series 2014 14.4 MPG Highway Percentage 0 percent BMW 7-Series BMW 7-Series 2010 16.8 MPG Highway Percentage 5 percent BMW 7-Series BMW 7-Series 2009 14.3 MPG Highway Percentage 80 percent BMW 7-Series BMW 7-Series 2008 12.4 MPG Highway Percentage 50 percent BMW 7-Series BMW 7-Series 2007 8.8 MPG Highway Percentage 80 percent BMW 7-Series BMW 7-Series 2006 11.2 MPG Highway Percentage 56 percent BMW 7-Series BMW 7-Series 2004 11.3 MPG Highway Percentage 10 percent BMW 7-Series BMW 7-Series 2003 11.3 MPG Highway Percentage 30 percent BMW 7-Series BMW 7-Series 2002 12.4 MPG Highway Percentage 20 percent BMW 7-Series BMW 7-Series 2001 11.6 MPG Highway Percentage 38 percent BMW 7-Series BMW 7-Series 2001 8.6 MPG Highway Percentage 75 percent BMW 7-Series BMW 7-Series 2000 15.0 MPG Highway Percentage 25 percent BMW 7-Series BMW 7-Series 2000 11.6 MPG Highway Percentage 85 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
2014 4dr Sedan, ext. turbocharged 315hp 3.0L I6
8-speed shiftable automatic AWD
hills lead none 0 60 40 0 14.4  
2010 4dr Sedan turbocharged 400hp 4.4L V8
6-speed shiftable automatic RWD
flat med hvy 10 10 75 5 80 16.8  
2009 4dr Sedan turbocharged 400hp 4.4L V8
6-speed shiftable automatic RWD
flat med light 0 15 5 80 65 14.3  
2008 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD
hills med light 20 10 20 50 75 12.4  
2007 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD
flat light light 0 0 20 80 70 8.8  
2006 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD
hills med hvy 6 26 12 56 72 11.2  
2004 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
hills med light 23 28 40 10 65 11.3  
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2003 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
flat light none 45 20 5 30 60 11.3  
2002 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
flat med light 0 50 30 20 75 12.4  
2001 4dr Sedan 282-horsepower 4.4L V8
5-speed shiftable automatic RWD
hills med hvy 27 28 7 38 70 11.6  
2001 4dr Sedan 282-horsepower 4.4L V8
5-speed automatic RWD
flat med light 10 10 5 75 75 8.6  
2000 4dr Sedan, ext. 326-horsepower 5.4L V12
5-speed shiftable automatic RWD
hills med hvy 10 40 25 25 70 15.0  
2000 4dr Sedan 282-horsepower 4.4L V8
5-speed shiftable automatic RWD
hills lead hvy 1 4 10 85 80 11.6  

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This page shows only averages. See all the BMW 7-Series fuel economy data.

Cadillac STS L/100km

Cadillac STS Cadillac STS 2008 11.8 MPG Highway Percentage 90 percent Cadillac STS Cadillac STS 2008 10.9 MPG Highway Percentage 50 percent Cadillac STS Cadillac STS 2007 10.8 MPG Highway Percentage 28 percent Cadillac STS Cadillac STS 2006 9.6 MPG Highway Percentage 100 percent Cadillac STS Cadillac STS 2006 12.2 MPG Highway Percentage 60 percent Cadillac STS Cadillac STS 2006 12.4 MPG Highway Percentage 20 percent Cadillac STS Cadillac STS 2005 11.5 MPG Highway Percentage 53 percent Cadillac STS Cadillac STS 2005 16.3 MPG Highway Percentage 40 percent Cadillac STS Cadillac STS 2005 11.2 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 L/100km
2008 4dr Sedan 320-horsepower 4.6L V8
6-speed shiftable automatic AWD
flat v.lt light 0 10 0 90 60 11.8  
2008 4dr Sedan 302-horsepower 3.6L V6
6-speed shiftable automatic RWD
flat med light 9 11 30 50 73 10.9  
2007 4dr Sedan 320-horsepower 4.6L V8
6-speed shiftable automatic RWD
flat med light 3 50 20 28 70 10.8  
2006 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD
mtns light none 0 0 0 100 65 9.6  
2006 4dr Sedan 254-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat med light 20 9 10 60 67 12.2  
2006 4dr Sedan 254-horsepower 3.6L V6
5-speed shiftable automatic AWD
flat light none 0 45 35 20 60 12.4  
2005 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD
flat med light 0 3 43 53 67 11.5  
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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 16.3  
2005 4dr Sedan 255-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat light light 5 20 30 45 60 11.2  

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

BMW 7-Series vs. Cadillac STS 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 BMW 7-Series and Cadillac STS'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
See TrueDelta's information for all BMW models and Cadillac models.

What Our Members Are Saying about the Real Gas Mileage of the BMW 7-Series

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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