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Cadillac STS vs. Pontiac Montana SV6 MPG

Chart is based on 28 fuel economy reports for the Cadillac STS and 9 fuel economy reports for the Pontiac Montana SV6.

Cadillac STS MPG

Cadillac STS Cadillac STS 2008 20.1 MPG Highway Percentage 90 percent Cadillac STS Cadillac STS 2008 21.8 MPG Highway Percentage 50 percent Cadillac STS Cadillac STS 2007 22.0 MPG Highway Percentage 28 percent Cadillac STS Cadillac STS 2006 24.5 MPG Highway Percentage 100 percent Cadillac STS Cadillac STS 2006 20.0 MPG Highway Percentage 60 percent Cadillac STS Cadillac STS 2006 19.0 MPG Highway Percentage 20 percent Cadillac STS Cadillac STS 2005 20.5 MPG Highway Percentage 53 percent Cadillac STS Cadillac STS 2005 14.6 MPG Highway Percentage 40 percent Cadillac STS Cadillac STS 2005 21.0 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 MPG
2008 4dr Sedan 320-horsepower 4.6L V8
6-speed shiftable automatic AWD
flat v.lt light 0 10 0 90 60 20.1  
2008 4dr Sedan 302-horsepower 3.6L V6
6-speed shiftable automatic RWD
flat med light 9 11 30 50 73 21.8  
2007 4dr Sedan 320-horsepower 4.6L V8
6-speed shiftable automatic RWD
flat med light 3 50 20 28 70 22.0  
2006 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD
mtns light none 0 0 0 100 65 24.5  
2006 4dr Sedan 254-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat med light 20 9 10 60 67 20.0  
2006 4dr Sedan 254-horsepower 3.6L V6
5-speed shiftable automatic AWD
flat light none 0 45 35 20 60 19.0  
2005 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD
flat med light 0 3 43 53 67 20.5  
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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 14.6  
2005 4dr Sedan 255-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat light light 5 20 30 45 60 21.0  

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

Pontiac Montana SV6 MPG

Pontiac Montana SV6 Pontiac Montana SV6 2006 21.0 MPG Highway Percentage 60 percent Pontiac Montana SV6 Pontiac Montana SV6 2006 19.8 MPG Highway Percentage 40 percent Pontiac Montana SV6 Pontiac Montana SV6 2005 23.3 MPG Highway Percentage 58 percent Pontiac Montana SV6 Pontiac Montana SV6 2003 17.5 MPG Highway Percentage 10 percent Pontiac Montana SV6 Pontiac Montana SV6 2003 24.0 MPG Highway Percentage 65 percent Pontiac Montana SV6 Pontiac Montana SV6 2003 20.7 MPG Highway Percentage 48 percent Pontiac Montana SV6 Pontiac Montana SV6 2002 19.4 MPG Highway Percentage 14 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
2006 4dr Minivan, ext. 240-horsepower 3.9L V6
4-speed automatic FWD
flat med hvy 0 0 40 60 75 21.0  
2006 4dr Minivan, ext. 201-horsepower 3.5L V6
4-speed automatic FWD
flat light light 30 30 0 40 100 19.8  
2005 4dr Minivan, ext. 200-horsepower 3.5L V6
4-speed automatic FWD
flat med light 3 10 30 58 68 23.3  
2003 4dr Minivan, ext. 185-horsepower 3.4L V6
4-speed automatic FWD
flat med light 30 40 20 10 60 17.5  
2003 4dr Minivan, ext. 185-horsepower 3.4L V6
4-speed automatic AWD
flat med none 5 15 15 65 70 24.0  
2003 4dr Minivan 185-horsepower 3.4L V6
4-speed automatic FWD
hills med light 5 30 18 48 73 20.7  
2002 4dr Minivan 185-horsepower 3.4L V6
4-speed automatic FWD
flat light light 0 0 86 14 100 19.4  

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Cadillac STS vs. Pontiac Montana SV6 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 STS and Pontiac Montana SV6'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
See TrueDelta's information for all Cadillac models and Pontiac 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 Pontiac Montana SV6

Pontiac Montana SV6 Real Gas Mileage: Pros
YearBody/PowertrainComment
2002 4dr Minivan, ext. 185-horsepower 3.4L V6
4-speed automatic FWD
average about 25mpg see full Pontiac Montana SV6 review
Pontiac Montana SV6 Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr Minivan, ext. 201-horsepower 3.5L V6
4-speed automatic FWD
When wife comutes to city, one passenger uses alot of fuel compared to smaller cars. see full Pontiac Montana SV6 review