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Pontiac G5 vs. Ford Flex MPG

Chart is based on 89 fuel economy reports for the Pontiac G5 and 390 fuel economy reports for the Ford Flex.

Pontiac G5 MPG

Pontiac G5 Pontiac G5 2009 33.5 MPG Highway Percentage 32 percent Pontiac G5 Pontiac G5 2009 32.0 MPG Highway Percentage 70 percent Pontiac G5 Pontiac G5 2008 25.9 MPG Highway Percentage 37 percent Pontiac G5 Pontiac G5 2008 27.1 MPG Highway Percentage 75 percent Pontiac G5 Pontiac G5 2008 28.4 MPG Highway Percentage 68 percent Pontiac G5 Pontiac G5 2008 24.8 MPG Highway Percentage 67 percent Pontiac G5 Pontiac G5 2007 29.7 MPG Highway Percentage 53 percent Pontiac G5 Pontiac G5 2007 25.9 MPG Highway Percentage 61 percent Pontiac G5 Pontiac G5 2007 28.9 MPG Highway Percentage 28 percent Pontiac G5 Pontiac G5 2007 29.4 MPG Highway Percentage 70 percent Pontiac G5 Pontiac G5 2006 24.4 MPG Highway Percentage 50 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
2009 2dr Coupe 155-horsepower 2.2L I4
5-speed manual FWD
flat light none 5 52 12 32 63 33.5  
2009 2dr Coupe 155-horsepower 2.2L I4
4-speed automatic FWD
flat light none 0 30 0 70 60 32.0  
2008 2dr Coupe 171-horsepower 2.4L I4
5-speed manual FWD
flat med light 2 54 7 37 96 25.9  
2008 2dr Coupe 171-horsepower 2.4L I4
4-speed automatic FWD
flat light none 7 18 0 75 75 27.1  
2008 2dr Coupe 148-horsepower 2.2L I4
5-speed manual FWD
hills med light 6 16 12 68 90 28.4  
2008 2dr Coupe 148-horsepower 2.2L I4
4-speed automatic FWD
flat med none 6 26 1 67 111 24.8  
2007 2dr Coupe 173-horsepower 2.4L I4
5-speed manual FWD
flat lead none 4 20 23 53 75 29.7  
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2007 2dr Coupe 173-horsepower 2.4L I4
4-speed automatic FWD
hills med none 6 12 20 61 74 25.9  
2007 2dr Coupe 148-horsepower 2.2L I4
5-speed manual FWD
flat med none 5 50 18 28 98 28.9  
2007 2dr Coupe 148-horsepower 2.2L I4
4-speed automatic FWD
flat light none 0 0 30 70 70 29.4  
2006 2dr Coupe 145-horsepower 2.2L I4
5-speed manual FWD
flat med light 2 2 47 50 115 24.4  

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This page shows only averages. See all the Pontiac G5 fuel economy data.

Ford Flex MPG

Ford Flex Ford Flex 2014 17.9 MPG Highway Percentage 45 percent Ford Flex Ford Flex 2013 18.7 MPG Highway Percentage 60 percent Ford Flex Ford Flex 2013 18.6 MPG Highway Percentage 37 percent Ford Flex Ford Flex 2012 23.6 MPG Highway Percentage 59 percent Ford Flex Ford Flex 2011 18.3 MPG Highway Percentage 28 percent Ford Flex Ford Flex 2011 22.5 MPG Highway Percentage 25 percent Ford Flex Ford Flex 2011 17.8 MPG Highway Percentage 10 percent Ford Flex Ford Flex 2010 20.1 MPG Highway Percentage 61 percent Ford Flex Ford Flex 2010 21.7 MPG Highway Percentage 48 percent Ford Flex Ford Flex 2010 21.4 MPG Highway Percentage 67 percent Ford Flex Ford Flex 2009 22.9 MPG Highway Percentage 62 percent Ford Flex Ford Flex 2009 17.3 MPG Highway Percentage 22 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
2014 4dr SUV 287-horsepower 3.5L V6
6-speed shiftable automatic AWD
flat light none 0 55 0 45 110 17.9  
2013 4dr SUV turbocharged 365hp 3.5L V6
6-speed shiftable automatic AWD
flat med hvy 10 20 10 60 70 18.7  
2013 4dr SUV 287-horsepower 3.5L V6
6-speed shiftable automatic FWD
flat light hvy 5 0 58 37 75 18.6  
2012 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD
flat med none 0 16 26 59 68 23.6  
2011 4dr SUV turbocharged 355hp 3.5L V6
6-speed shiftable automatic AWD
flat med light 47 10 15 28 80 18.3  
2011 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD
flat light none 0 25 50 25 75 22.5  
2011 4dr SUV 262-horsepower 3.5L V6
6-speed automatic AWD
flat light none 10 60 20 10 60 17.8  
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2010 4dr SUV turbocharged 355hp 3.5L V6
6-speed shiftable automatic AWD
flat med none 6 10 23 61 73 20.1  
2010 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD
flat light none 5 23 25 48 66 21.7  
2010 4dr SUV 262-horsepower 3.5L V6
6-speed automatic AWD
flat med none 0 33 0 67 100 21.4  
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD
flat light light 2 13 23 62 70 22.9  
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic AWD
hills med light 4 36 38 22 68 17.3  

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This page shows only averages. See all the Ford Flex fuel economy data.

Pontiac G5 vs. Ford Flex 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 Pontiac G5 and Ford Flex'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 Coupes and Sedans.
See TrueDelta's information for all Pontiac models and Ford models.

What Our Members Are Saying about the Real Gas Mileage of the Pontiac G5

Pontiac G5 Real Gas Mileage: Pros
YearBody/PowertrainComment
2009 2dr Coupe 155-horsepower 2.2L I4
5-speed manual FWD
best for non-hybrid gasoline see full Pontiac G5 review
2008 2dr Coupe 171-horsepower 2.4L I4
5-speed manual FWD
For a performance model very well average 22-23 mpg city see full Pontiac G5 review
2008 2dr Coupe 148-horsepower 2.2L I4
5-speed manual FWD
24/33 for the manual transmission are pretty good fuel economy numbers. I beat the highway numbers on a long trip by a few points if I keep it at 65 mph (a/c on). see full Pontiac G5 review
2008 2dr Coupe 148-horsepower 2.2L I4
5-speed manual FWD
once broken in and done properlly, and driven with the engine in its proper spot for efficiency in its powerband, its a great fuel efficient car that has tons of power to surprise! see full Pontiac G5 review
2008 2dr Coupe 171-horsepower 2.4L I4
5-speed manual FWD
The Ecotech engine is one of the most economical on the road today. see full Pontiac G5 review
2008 2dr Coupe 171-horsepower 2.4L I4
5-speed manual FWD
I drove fast, all the time, and still averaged 28mpg. see full Pontiac G5 review
2007 2dr Coupe 173-horsepower 2.4L I4
5-speed manual FWD
my G5 is great on gas i put 93 in it and i get 28.6 mpg all city no highway. you cant ask for anything better. the power this car has and great gas miles its the best of both worlds. see full Pontiac G5 review
2007 2dr Coupe 148-horsepower 2.2L I4
5-speed manual FWD
Very good economy even when driving it hard. see full Pontiac G5 review
2007 2dr Coupe 173-horsepower 2.4L I4
5-speed manual FWD
The G5 blends the mileage and power that I was looking for in a car that would do primary duty for commuting to work and back. Was looking to get 30-33 mpg. see full Pontiac G5 review
 

What Our Members Are Saying about the Real Gas Mileage of the Ford Flex

Ford Flex Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD
I am currently averaging 20 MPG overall with heavy highway use. For the size of vehicle I think that is rather reasonable. see full Ford Flex review
2010 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD
1000 miles of ownership so far, 21-22 mpg in light suburb and highway driving, 24-25 mpg on 500 mile trip (fuel economy measured by calculating miles driven divided by gallons of fuel purchased). see full Ford Flex review
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD
Only driven around town, mileage 16.6, have never had it on the open road. see full Ford Flex review
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD
Very good for a 4500 lb vehicle. see full Ford Flex review