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Buick Terraza vs. Pontiac G8 MPG

Chart is based on 15 fuel economy reports for the Buick Terraza and 201 fuel economy reports for the Pontiac G8.

Buick Terraza MPG

Buick Terraza Buick Terraza 2007 21.5 MPG Highway Percentage 65 percent Buick Terraza Buick Terraza 2006 14.2 MPG Highway Percentage 10 percent Buick Terraza Buick Terraza 2005 27.1 MPG Highway Percentage 70 percent Buick Terraza Buick Terraza 2005 20.4 MPG Highway Percentage 35 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
2007 4dr Minivan, ext. 240-horsepower 3.9L V6
4-speed automatic FWD
flat light light 0 0 35 65 60 21.5  
2006 4dr Minivan, ext. 201-horsepower 3.5L V6
4-speed automatic FWD
flat med light 10 80 0 10 60 14.2  
2005 4dr Minivan, ext. 200-horsepower 3.5L V6
4-speed automatic FWD
mtns v.lt light 5 5 20 70 65 27.1  
2005 4dr Minivan, ext. 200-horsepower 3.5L V6
4-speed automatic AWD
flat light none 10 24 31 35 71 20.4  

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This page shows only averages. See all the Buick Terraza fuel economy data.

Pontiac G8 MPG

Pontiac G8 Pontiac G8 2009 18.0 MPG Highway Percentage 61 percent Pontiac G8 Pontiac G8 2009 18.6 MPG Highway Percentage 68 percent Pontiac G8 Pontiac G8 2009 21.0 MPG Highway Percentage 30 percent Pontiac G8 Pontiac G8 2008 18.5 MPG Highway Percentage 52 percent Pontiac G8 Pontiac G8 2008 19.1 MPG Highway Percentage 69 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 4dr Sedan 415-horsepower 6.2L V8
6-speed manual RWD
hills lead light 10 14 16 61 75 18.0  
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
flat light light 3 21 9 68 63 18.6  
2009 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat med light 2 10 58 30 65 21.0  
2008 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
flat med none 10 21 16 52 75 18.5  
2008 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat med none 0 0 31 69 60 19.1  

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This page shows only averages. See all the Pontiac G8 fuel economy data.

Buick Terraza vs. Pontiac G8 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 Buick Terraza and Pontiac G8'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.

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What Our Members Are Saying about the Real Gas Mileage of the Buick Terraza

Buick Terraza Real Gas Mileage: Pros
YearBody/PowertrainComment
2007 4dr Minivan, ext. 240-horsepower 3.9L V6
4-speed automatic FWD
See 25-27 MPG on highway trips with regularity. Not bad for 245 HP V6, loaded, with dual AC running. see full Buick Terraza review
 

What Our Members Are Saying about the Real Gas Mileage of the Pontiac G8

Pontiac G8 Real Gas Mileage: Cons
YearBody/PowertrainComment
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed shiftable automatic RWD
Low teens in town, and 24mpg tops on the highway make this a less than ideal economy car. see full Pontiac G8 review
2009 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
The most MPGs I ever had was 25 and that was all highway driving at about 70. see full Pontiac G8 review
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
Not bad mileage figures given the size of the car and the beast of an engine, but this is not a car for the hybrid set. see full Pontiac G8 review
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
Is very low in stop-and-go traffic. Gets better with time, I understand. see full Pontiac G8 review
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed manual RWD
Average fuel economy 15 mpg in mixed driving. see full Pontiac G8 review
2008 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
low 18 mpg city see full Pontiac G8 review