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2010 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.

Reported MPG

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If you are not a TrueDelta member, you can see only five Infiniti G MPG averages for each powertrain. Log in or join us to see them all.

Infiniti G Gas Mileage

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
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD
flat med light 10 20 20 50 74 24.5
  flat med none 2 48 0 50 70 22.3
  flat med hvy 0 0 5 95 80 27.0
  flat med light 10 20 20 50 81 24.7
  flat med none 30 15 15 40 60 19.7
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic RWD
flat med light 10 21 12 57 73 23.6  
  Averages flat med light 10 21 12 57 73 23.6
With the 328-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2010 Infiniti G fuel economy has been averaging 23.6 MPG (miles per gallon).

The 2010 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 73 miles per hour (about 57 percent of the miles driven). The rest of the miles were in the city (21 percent), in the suburbs (12 percent), and in heavy traffic (10 percent).

In addition the average 2010 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
 
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
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD
flat med light 20 15 25 40 75 23.7
  flat light none 0 80 20 0 N/A 17.0
  flat light none 2 10 88 0 N/A 17.5
  flat med none 20 15 25 40 75 24.8
  flat light none 0 5 19 76 80 21.0
2010 4dr Sedan 328-horsepower 3.7L V6
7-speed shiftable automatic AWD
flat light none 8 25 35 31 77 20.8  
  Averages flat light none 8 25 35 31 77 20.8
With the 328-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2010 Infiniti G has been averaging 20.8 MPG (miles per gallon).

The 2010 Infiniti Gs in this analysis were driven mostly in the suburbs (about 35 percent of the miles driven). The rest of the miles were on the highway at an average speed of 77 miles per hour (31 percent), in the city (25 percent), and in heavy traffic (8 percent).

In addition the average 2010 Infiniti G in this analysis was driven on flat terrain with a light foot and the AC not used at all.
 
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
2010 4dr Sedan 328-horsepower 3.7L V6
6-speed manual RWD
hills med light 30 70 0 0 N/A 15.9
  hills med light 0 0 0 100 60 25.1
  hills med light 10 10 0 80 70 26.1
  flat med none 10 80 0 10 60 18.8
  flat med none 10 30 0 60 70 22.1
2010 4dr Sedan 328-horsepower 3.7L V6
6-speed manual RWD
hills med light 12 38 0 50 65 21.6  
  Averages hills med light 12 38 0 50 65 21.6
With the 328-horsepower 3.7L V6 engine, 6-speed manual transmission, and rear-wheel drive, 2010 Infiniti G gas mileage has been averaging 21.6 MPG (miles per gallon).

The 2010 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the city (38 percent), in heavy traffic (12 percent), and in the suburbs (0 percent).

In addition the average 2010 Infiniti G in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time.
 
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
2010 2dr Hardtop conv. 325-horsepower 3.7L V6
7-speed shiftable automatic RWD
flat lead none 5 10 80 5 60 18.0
2010 2dr Hardtop conv. 325-horsepower 3.7L V6
7-speed shiftable automatic RWD
flat lead none 5 10 80 5 60 18.0  
  Averages flat lead none 5 10 80 5 60 18.0
With the 325-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2010 Infiniti G fuel economy has been averaging 18.0 MPG (miles per gallon).

The 2010 Infiniti Gs in this analysis were driven mostly in the suburbs (about 80 percent of the miles driven). The rest of the miles were in the city (10 percent), in heavy traffic (5 percent), and on the highway at an average speed of 60 miles per hour (5 percent).

In addition the average 2010 Infiniti G in this analysis was driven on flat terrain with a lead foot and the AC not used at all.
 
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
2010 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD
flat med none 4 13 13 70 80 25.6
2010 2dr Coupe 330-horsepower 3.7L V6
7-speed shiftable automatic AWD
flat med none 4 13 13 70 80 25.6  
  Averages flat med none 4 13 13 70 80 25.6
With the 330-horsepower 3.7L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2010 Infiniti G has been averaging 25.6 MPG (miles per gallon).

The 2010 Infiniti Gs in this analysis were driven mostly on the highway at an average speed of 80 miles per hour (about 70 percent of the miles driven). The rest of the miles were in the city (13 percent), in the suburbs (13 percent), and in heavy traffic (4 percent).

In addition the average 2010 Infiniti G in this analysis was driven on flat terrain with a medium foot and the AC not used at all.

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What Our Members Are Saying about the Real 2010 Infiniti G MPG

2010 Infiniti G Fuel Economy: Cons
Year Body/Powertrain Comment
2010 4dr Sedan 328-hp 3.7L V6 7-sp shiftable automatic AWD To be honest, it is exactly what I expected, so no real beefs with it. That said, if you are looking for a car that gets better than 19 or so combined, this is not it. Decent freeway miles (24-27/g) but in city it is hard to beat 16/g.
2010 4dr Sedan 328-hp 3.7L V6 7-sp shiftable automatic AWD Fuel economy is poor - about 19 MPG average.