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Infiniti G Fuel Economy (L/100km)

L/100km Number of Vehicles
8 liters per 100 kilometers 2 vehicles
9 liters per 100 kilometers 3 vehicles
10 liters per 100 kilometers 7 vehicles
11 liters per 100 kilometers 2 vehicles
12 liters per 100 kilometers 3 vehicles
13 liters per 100 kilometers 9 vehicles
14 liters per 100 kilometers 2 vehicles
15 liters per 100 kilometers 1 vehicles
Model Year Body/Powertrain L/100km  
2005 2005 4dr Sedan 330-hp 3.7L V6 6-sp manual RWD 9.8
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With the turbocharged 155kW 2.0L I4 engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2005 Infiniti G has been averaging 9.8 L/100km (liters per 100 kilometers).

The 2005 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 60 kilometers per hour (about 55 percent of the kilometers driven). The rest of the kilometers were in the city (20 percent), in heavy traffic (5 percent), and in the suburbs (0 percent).

In addition, the average 2005 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
2005 2005 4dr Sedan 328-hp 3.7L V6 7-sp shiftable automatic AWD 12.58
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2005 2005 4dr Sedan 280-hp 3.5L V6 5-sp shiftable automatic RWD 12.4
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2005 2005 2dr Coupe 330-hp 3.7L V6 6-sp manual RWD 11.42
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2005 2005 2dr Coupe 280-hp 3.5L V6 5-sp shiftable automatic RWD 10.56
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What Our Members Are Saying about the Real Gas Mileage of the 2005 Infiniti G

2005 Infiniti G Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 2dr Coupe 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 The fuel economy and the premium fuel requirement are somewhat disappointing. I averaged generally about 16mpg per tank when I lived and worked in a large city. Now that I live and commute to school out in the sticks, I am seeing around 22mpg with the cruise control locked at 55-60 during my 32 mile commute. see full Infiniti G review
2006 4dr Sedan 298-horsepower 3.5L V6
6-speed manual RWD		 Ive gotten as low as 13mpg, but I drive the car hard and I mean hard. see full Infiniti G review
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 avg 19.5 mpg. Yeah I could do better if I never got on the gas, but then what would be the point of owning a G? see full Infiniti G review
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 All wheel drive saps about 10% of fuel economy see full Infiniti G review
2006 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 An average of 20 mpg (mixed city driving) could be much better, especially with high gas prices see full Infiniti G review
2006 2dr Coupe 298-horsepower 3.5L V6
6-speed manual RWD		 gas mileage seems to average about 24 highway and 14 city see full Infiniti G review
2005 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 Terrible fuel economy. 75 liters gives me 480 to a tank. see full Infiniti G review
2005 2dr Coupe 298-horsepower 3.5L V6
6-speed manual RWD		 Isnt nice at the pump. Requires premium fuel. Price you pay for a sports car. see full Infiniti G review
2005 2dr Coupe 298-horsepower 3.5L V6
6-speed manual RWD		 only getting 17mpg see full Infiniti G review
2005 4dr Sedan 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 I only got 18 mpg while driving in mixed driving. The TL gets 22 day in and day out. see full Infiniti G review
 

2005 Infiniti G Gas Mileage (L/100km)

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 L/100km based on how and where you drive a car.