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Infiniti G Fuel Economy Data

2dr Coupe 330-hp 3.7L V6 6-sp manual 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 none 0 5 70 25 70 21.589
flat light none 0 5 70 25 70 21.031
flat light none 0 5 70 25 70 21.217
flat med none 0 5 70 25 70 20.072
flat med none 0 5 75 20 70 19.503
flat light none 0 5 70 25 70 20.437
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flat light light 0 5 70 25 70 20.870
flat light hvy 0 0 0 100 80 23.993
flat light none 0 5 70 25 70 21.549
flat light none 0 5 25 70 75 24.580
flat light hvy 0 5 70 25 70 22.119
flat light hvy 0 5 70 25 70 19.307
flat light hvy 0 5 70 25 70 20.081
flat light none 0 5 70 25 70 19.079
flat light none 0 5 70 25 70 20.544
flat med none 30 30 20 20 75 15.000
flat light none 0 5 25 70 75 24.870
flat med none 0 10 50 40 60 19.500
flat med none 0 12 12 76 60 22.667
flat light light 10 10 20 60 65 23.000
flat med none 0 12 12 76 60 21.100
flat light none 0 5 70 25 70 20.632
flat light light 0 5 70 25 70 21.193
flat light hvy 0 5 70 25 70 20.338
flat light none 0 5 70 25 70 22.237
flat light hvy 0 5 70 25 70 20.716
flat light hvy 0 5 70 25 70 21.193
flat light hvy 0 0 0 100 75 26.667
flat med none 15 0 75 10 70 19.292
flat light none 0 5 70 25 70 20.708
flat lead none 0 0 0 100 95 21.000
flat med light 0 80 20 0 N/A 16.400
flat med none 10 10 60 20 75 15.556
flat med none 0 5 70 25 70 20.427
flat med none 0 5 70 25 70 19.894
flat light none 0 5 70 25 70 21.143
flat light none 0 0 0 100 80 25.000
flat med none 0 80 20 0 N/A 16.730
hills med hvy 0 0 0 100 80 25.800
flat med hvy 0 25 50 25 70 18.750
flat med hvy 0 40 50 10 60 15.500
flat med light 0 40 50 10 55 15.400
flat med none 0 80 20 0 N/A 16.267
flat light none 0 5 70 25 70 20.578
flat light none 0 5 75 20 70 20.832
flat light none 0 5 70 25 70 20.336
flat light none 0 5 70 25 70 20.924
flat light none 0 5 70 25 70 21.412
flat med none 0 5 70 25 70 20.610
flat med none 0 5 70 25 70 20.229
flat light none 0 5 70 25 70 21.540
flat light hvy 0 5 70 25 70 21.347
flat light hvy 0 0 0 100 85 24.934
flat light none 0 5 70 25 70 21.289
flat light none 0 5 70 25 70 18.270
flat light none 0 5 70 25 70 21.115
flat light hvy 0 5 70 25 70 20.962
flat light hvy 0 5 70 25 70 18.158
flat med light 0 0 30 70 65 21.250

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What Our Members Are Saying about the Real Gas Mileage of the 2008 Infiniti G

2008 Infiniti G Real Gas Mileage: Pros
YearBody/PowertrainComment
2007 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 My average for the life of the car is 21MPG. Not too bad for a car with this power and my lead foot. see full Infiniti G review
2008 Infiniti G Real Gas Mileage: Cons
YearBody/PowertrainComment
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD		 average 18 in town 24 highway. see full Infiniti G review
2009 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic RWD		 You do not buy a performance car and expect to get good gas mileage. At a 5 mpg or greater difference from my last car, it is taking some getting used too. see full Infiniti G review
2009 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD		 With such a large displaced engine and so much power you will find that you will have so-so mpg if you drive mainly in the city like I do. Especially if you are a "spirited" driver like I tend to be. I am averaging about 14-16mpg 95% city. On the highway its a different story. I have averaged up to 28mpg @ 78mph, I kind of wish I drove more on the highway. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 With all that power available its hard not to use it. Expect in city driving to deliver less than 20mpg. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 5th gear is short and really infringes on getting decent mileage (15-17 in mixed and 22-23 hwy). Accurate EPA figures but the new 7 speed AT for 2009 really helps. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 burns too much fuel, I would like another 6 mpg even if power were cut see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic RWD		 The car is just not about fuel economy. You pay for performance. I get ~18 in suburb style driving and ~23 on highway but that maybe just me. see full Infiniti G review
2008 2dr Coupe 330-horsepower 3.7L V6
5-speed shiftable automatic RWD		 With both highway and city driving, I would only average 19 mpg with moderate gas pedal use vs 24 mpg in the c300, which is AWD. One month of strictly city driving with heavy gas pedal use I average only 13mpg... Yikes! see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
5-speed shiftable automatic AWD		 Takes a lot of fuel... 14L/100km about. see full Infiniti G review
2008 4dr Sedan 306-horsepower 3.5L V6
6-speed manual RWD		 While not terrible, ~20mpg is by no means phenomenal. Relatively comparable cars get ~23-27mpg, but typically also have smaller engines which explains a good portion of the difference. see full Infiniti G review
 

2008 Infiniti G 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 Infiniti G's real-world MPG based on how and where you drive a car.