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Pontiac G8 Fuel Economy Data

4dr Sedan 361-hp 6.0L V8 6-sp shiftable automatic RWD

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
flat light light 0 20 0 80 60 21.043
flat light light 0 20 0 80 60 19.138
flat light light 0 20 0 80 60 10.833
flat light light 0 20 0 80 60 14.019
flat light light 0 20 0 80 60 18.143
flat light light 0 20 0 80 60 16.928
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flat light light 0 20 0 80 60 19.367
flat light light 0 20 0 80 60 17.325
flat light light 0 20 0 80 60 14.220
flat med light 0 50 0 50 60 16.713
flat light light 0 20 0 80 60 18.524
flat light light 0 20 0 80 60 19.727
flat light light 0 20 0 80 60 17.700
flat light light 0 20 0 80 60 16.080
flat light light 0 20 0 80 60 19.222
flat light light 0 20 0 80 60 17.719
flat light light 0 20 0 80 60 19.921
flat light light 0 20 0 80 60 17.379
flat med light 0 20 0 80 60 19.291
flat light light 0 20 0 80 60 18.023
flat med light 0 20 0 80 60 20.333
flat light light 0 20 0 80 60 19.700
flat light light 0 20 0 80 60 18.027
flat light light 0 20 0 80 60 17.353
flat med light 0 20 0 80 60 19.048
flat light light 0 20 0 80 60 18.042
flat light light 0 20 0 80 60 17.391
flat light light 0 20 0 80 60 18.942
flat light light 0 20 0 80 60 17.869
flat light light 0 20 0 80 60 19.215
flat light light 0 20 0 80 60 19.023
flat light light 0 20 0 80 60 21.707
flat med light 0 20 0 80 60 22.875
flat med none 40 10 10 40 65 16.500
flat lead none 0 50 50 0 N/A 14.000
flat med none 0 0 0 100 80 24.500
hills light light 5 5 5 85 70 31.000
flat lead light 10 20 20 50 70 26.000
flat lead light 10 20 35 35 65 24.000
flat med hvy 35 15 20 30 70 19.000
flat med none 10 10 20 60 60 19.200
flat med none 6 0 39 56 60 19.100
flat med light 0 50 0 50 70 19.200
flat med light 0 50 0 50 70 22.200
flat med light 0 20 0 80 60 23.000
flat light light 0 5 0 95 60 29.000
flat med hvy 5 0 20 75 75 18.900
flat lead light 0 0 0 100 85 22.000
flat med hvy 60 10 10 20 70 18.000
flat med light 10 60 5 25 70 19.000
flat med light 30 30 30 10 70 15.400
flat med light 30 30 30 10 70 15.400
flat light light 0 5 25 70 55 22.606
flat med light 0 20 0 80 60 20.860
flat light light 0 20 0 80 60 17.355
flat light light 0 20 0 80 60 23.226
flat med none 0 0 100 0 N/A 14.500
flat med none 0 0 100 0 N/A 16.900
flat light none 20 21 23 36 60 14.000
flat light none 20 21 23 36 60 14.000
hills lead none 0 40 40 20 75 20.400
hills med none 10 25 45 20 70 16.300
hills lead none 0 35 15 50 70 15.200
hills med light 0 5 5 90 70 25.300
flat med light 0 50 0 50 60 18.298
flat light light 0 20 0 80 60 15.420
flat light light 0 20 0 80 60 18.480
flat light light 0 20 0 80 60 16.083
flat light light 0 20 0 80 60 17.436
flat light light 0 20 0 80 60 20.630
flat light light 0 20 0 80 60 17.857
flat light light 0 20 0 80 60 18.874
flat light light 0 20 0 80 60 19.440
flat light light 0 20 0 80 60 19.091
flat light light 0 20 0 80 60 17.097
flat light light 0 20 0 80 60 14.213
flat light light 0 20 0 80 60 15.388
flat light light 0 20 0 80 60 20.000
flat light light 0 20 0 80 60 15.455
flat light light 0 20 0 80 60 19.755
flat light light 0 20 0 80 60 17.547
flat med light 0 50 0 50 60 15.938
flat light light 0 20 0 80 60 18.933
flat med none 0 5 80 15 60 18.000
flat med light 11 5 21 63 60 20.500
flat lead light 2 5 88 5 80 14.800
flat light light 0 0 0 100 60 26.000
flat med hvy 0 15 15 70 65 22.100
flat med hvy 0 15 15 70 65 22.100
flat med none 0 50 0 50 80 16.300
flat med light 0 0 0 100 80 20.000
flat light light 22 21 23 35 74 22.200
flat lead hvy 15 30 30 25 75 18.500
flat light light 22 21 23 35 74 22.000
flat med light 10 20 50 20 60 17.300
flat med light 1 58 21 20 80 24.200
flat med light 10 20 50 20 60 17.800
flat light light 0 20 0 80 60 15.231
flat light light 0 20 0 80 60 16.311
flat light light 0 20 0 80 60 19.486
flat light light 0 20 0 80 60 16.014
flat light light 0 20 0 80 60 18.617
flat light light 0 20 0 80 60 17.257
flat light light 0 20 0 80 60 19.243
flat light light 0 20 0 80 60 19.630
flat light light 0 20 0 80 60 21.035
flat light light 0 20 0 80 60 17.566
flat light light 0 20 0 80 60 16.231
flat light light 0 20 0 80 60 16.108
flat light light 0 20 0 80 60 14.400
flat light light 0 20 0 80 60 14.029
flat light light 0 20 0 80 60 13.889
flat light light 0 20 0 80 60 14.261
flat light light 0 20 0 80 60 16.396
flat light light 0 20 0 80 60 17.620
flat med light 0 50 0 50 60 18.922
flat light light 0 20 0 80 60 19.096
flat light light 0 20 0 80 60 17.357
flat light light 0 20 0 80 60 17.408
flat light light 0 20 0 80 60 17.067
flat med light 0 50 0 50 60 18.922
flat light light 0 20 0 80 60 20.000
flat med light 0 20 0 80 60 19.000
flat med light 0 20 0 80 60 16.842
flat light light 0 20 0 80 60 19.000
flat light light 0 20 0 80 60 19.851
flat light light 0 20 0 80 60 19.286
flat light light 0 20 0 80 60 18.246
flat light light 0 20 0 80 60 23.607
hills light light 0 10 30 60 70 19.200

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What Our Members Are Saying about the Real Gas Mileage of the 2009 Pontiac G8

2009 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
 

2009 Pontiac G8 Gas Mileage (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 G8's real-world MPG based on how and where you drive a car.