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Pontiac GTO vs. Pontiac G8 MPG

Chart is based on 33 fuel economy reports for the Pontiac GTO and 201 fuel economy reports for the Pontiac G8.

Pontiac GTO MPG

Pontiac GTO Pontiac GTO 2006 18.8 MPG Highway Percentage 48 percent Pontiac GTO Pontiac GTO 2006 18.1 MPG Highway Percentage 30 percent Pontiac GTO Pontiac GTO 2005 19.0 MPG Highway Percentage 51 percent Pontiac GTO Pontiac GTO 2005 16.7 MPG Highway Percentage 45 percent Pontiac GTO Pontiac GTO 2004 20.8 MPG Highway Percentage 51 percent Pontiac GTO Pontiac GTO 2004 15.0 MPG Highway Percentage 11 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 2dr Coupe 400-horsepower 6.0L V8
6-speed manual RWD
flat med light 9 27 17 48 70 18.8  
2006 2dr Coupe 400-horsepower 6.0L V8
4-speed automatic RWD
flat med hvy 50 10 10 30 70 18.1  
2005 2dr Coupe 400-horsepower 6.0L V8
6-speed manual RWD
flat med light 7 14 27 51 68 19.0  
2005 2dr Coupe 400-horsepower 6.0L V8
4-speed automatic RWD
flat lead light 12 5 39 45 65 16.7  
2004 2dr Coupe 350-horsepower 5.7L V8
6-speed manual RWD
flat med light 10 17 22 51 70 20.8  
2004 2dr Coupe 350-horsepower 5.7L V8
4-speed automatic RWD
flat med none 4 49 36 11 65 15.0  

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This page shows only averages. See all the Pontiac GTO 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.

Pontiac GTO 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 Pontiac GTO 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.

See TrueDelta's information for all Pontiac models.

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

Pontiac GTO Real Gas Mileage: Pros
YearBody/PowertrainComment
2004 2dr Coupe 350-horsepower 5.7L V8
6-speed manual RWD
for a V8 with 350 horse probably about 400+ now still get 25 mpg on the highway at like 75-80. see full Pontiac GTO review
Pontiac GTO Real Gas Mileage: Cons
YearBody/PowertrainComment
2005 2dr Coupe 400-horsepower 6.0L V8
6-speed manual RWD
6.0L LS2 V8 + 6-spd manual = foot on the gas a lot. A LOT. comes with the territory, avg about 20MPG mostly on highway, so not bad. see full Pontiac GTO review
2004 2dr Coupe 350-horsepower 5.7L V8
4-speed automatic RWD
Best highway mileage 21 mpg; avg. 14-15 around town. MUCH more noticeable now than in 2004!! see full Pontiac GTO review
2004 2dr Coupe 350-horsepower 5.7L V8
6-speed manual RWD
13-15 mpg around town on short trips. Much better on the highway, up to about 26 mpg. see full Pontiac GTO 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