8 5 3 3 5

Infiniti FX Gas Mileage (MPG)

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

More about the
Infiniti FX

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

Infiniti FX 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
2012 4dr SUV 303-horsepower 3.5L V6
7-speed shiftable automatic AWD		 flat med light 0 0 80 20 70 16.4
2012 4dr SUV 303-horsepower 3.5L V6
7-speed shiftable automatic AWD		 flat med light 0 0 80 20 70 16.4
  Averages flat med light 0 0 80 20 70 16.4
With the 303-horsepower 3.5L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2012 Infiniti FX fuel economy has been averaging 16.4 MPG (miles per gallon).

The 2012 Infiniti FXs in this analysis were driven mostly in the suburbs (about 80 percent of the miles driven). The rest of the miles were on the highway at an average speed of 70 miles per hour (20 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2012 Infiniti FX 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
2011 4dr SUV 303-horsepower 3.5L V6
7-speed shiftable automatic AWD		 flat light light 0 0 0 100 60 26.2
flat light light 100 0 0 0 N/A 23.0
flat light light 0 100 0 0 N/A 17.0
2011 4dr SUV 303-horsepower 3.5L V6
7-speed shiftable automatic AWD		 flat light light 33 33 0 33 60 22.1
  Averages flat light light 33 33 0 33 60 22.1
With the 303-horsepower 3.5L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2011 Infiniti FX has been averaging 22.1 MPG (miles per gallon).

The 2011 Infiniti FXs in this analysis were driven mostly in the city (about 33 percent of the miles driven). The rest of the miles were on the highway at an average speed of 60 miles per hour (33 percent), in heavy traffic (33 percent), and in the suburbs (0 percent).

In addition the average 2011 Infiniti FX in this analysis was driven on flat terrain with a light 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 SUV 390-horsepower 5.0L V8
7-speed shiftable automatic AWD		 flat med hvy 33 19 10 38 75 16.8
hills lead hvy 5 25 40 30 80 14.8
flat med hvy 50 15 5 30 75 17.6
flat lead hvy 5 25 40 30 80 13.0
flat lead hvy 5 25 40 30 80 12.1
2010 4dr SUV 390-horsepower 5.0L V8
7-speed shiftable automatic AWD		 flat lead hvy 20 22 27 32 78 14.9
  Averages flat lead hvy 20 22 27 32 78 14.9
With the 390-horsepower 5.0L V8 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2010 Infiniti FX gas mileage has been averaging 14.9 MPG (miles per gallon).

The 2010 Infiniti FXs in this analysis were driven mostly on the highway at an average speed of 78 miles per hour (about 32 percent of the miles driven). The rest of the miles were in the suburbs (27 percent), in the city (22 percent), and in heavy traffic (20 percent).

In addition the average 2010 Infiniti FX in this analysis was driven on flat terrain with a lead foot and the AC on most or all 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 SUV 303-horsepower 3.5L V6
7-speed shiftable automatic AWD		 hills med light 0 0 80 20 60 16.5
2010 4dr SUV 303-horsepower 3.5L V6
7-speed shiftable automatic AWD		 hills med light 0 0 80 20 60 16.5
  Averages hills med light 0 0 80 20 60 16.5
With the 303-horsepower 3.5L V6 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2010 Infiniti FX fuel economy has been averaging 16.5 MPG (miles per gallon).

The 2010 Infiniti FXs in this analysis were driven mostly in the suburbs (about 80 percent of the miles driven). The rest of the miles were on the highway at an average speed of 60 miles per hour (20 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2010 Infiniti FX 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
2009 4dr SUV 303-horsepower 3.5L V6
7-speed shiftable automatic RWD		 flat light light 0 100 0 0 N/A 13.0
flat med hvy 5 10 10 75 70 23.5
flat light light 25 25 0 50 70 23.1
2009 4dr SUV 303-horsepower 3.5L V6
7-speed shiftable automatic RWD		 flat light light 10 45 3 42 70 19.9
  Averages flat light light 10 45 3 42 70 19.9
With the 303-horsepower 3.5L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, the 2009 Infiniti FX has been averaging 19.9 MPG (miles per gallon).

The 2009 Infiniti FXs in this analysis were driven mostly in the city (about 45 percent of the miles driven). The rest of the miles were on the highway at an average speed of 70 miles per hour (42 percent), in heavy traffic (10 percent), and in the suburbs (3 percent).

In addition the average 2009 Infiniti FX in this analysis was driven on flat terrain with a light 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
2008 4dr SUV 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light none 0 95 0 5 60 16.7
flat v.lt none 0 67 0 33 60 21.5
2008 4dr SUV 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light none 0 81 0 19 60 19.1
  Averages flat light none 0 81 0 19 60 19.1
With the 275-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2008 Infiniti FX gas mileage has been averaging 19.1 MPG (miles per gallon).

The 2008 Infiniti FXs in this analysis were driven mostly in the city (about 81 percent of the miles driven). The rest of the miles were on the highway at an average speed of 60 miles per hour (19 percent), in heavy traffic (0 percent), and in the suburbs (0 percent).

In addition the average 2008 Infiniti FX 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
2008 4dr SUV 275-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med light 30 10 10 50 60 18.0
flat med light 19 25 26 30 60 14.0
flat med light 10 10 10 70 70 18.1
flat light light 35 25 25 15 60 19.0
2008 4dr SUV 275-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med light 24 18 18 41 63 17.3
  Averages flat med light 24 18 18 41 63 17.3
With the 275-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and all-wheel drive, 2008 Infiniti FX fuel economy has been averaging 17.3 MPG (miles per gallon).

The 2008 Infiniti FXs in this analysis were driven mostly on the highway at an average speed of 63 miles per hour (about 41 percent of the miles driven). The rest of the miles were in heavy traffic (24 percent), in the suburbs (18 percent), and in the city (18 percent).

In addition the average 2008 Infiniti FX 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
2007 4dr SUV 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 0 0 80 20 80 19.0
2007 4dr SUV 275-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 0 0 80 20 80 19.0
  Averages flat med light 0 0 80 20 80 19.0
With the 275-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, the 2007 Infiniti FX has been averaging 19.0 MPG (miles per gallon).

The 2007 Infiniti FXs in this analysis were driven mostly in the suburbs (about 80 percent of the miles driven). The rest of the miles were on the highway at an average speed of 80 miles per hour (20 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2007 Infiniti FX 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
2007 4dr SUV 275-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light none 23 24 25 28 60 18.1
flat med hvy 33 33 34 0 N/A 18.8
flat med hvy 33 33 34 0 N/A 19.0
flat med light 25 25 25 25 60 19.0
flat lead none 0 0 0 100 75 20.6
2007 4dr SUV 275-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med light 23 23 24 31 65 19.1
  Averages flat med light 23 23 24 31 65 19.1
With the 275-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and all-wheel drive, 2007 Infiniti FX gas mileage has been averaging 19.1 MPG (miles per gallon).

The 2007 Infiniti FXs in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 31 percent of the miles driven). The rest of the miles were in the suburbs (24 percent), in heavy traffic (23 percent), and in the city (23 percent).

In addition the average 2007 Infiniti FX 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
2006 4dr SUV 320-horsepower 4.5L V8
5-speed shiftable automatic AWD		 flat med hvy 0 0 10 90 85 16.5
flat v.lt hvy 0 0 0 100 75 19.6
2006 4dr SUV 320-horsepower 4.5L V8
5-speed shiftable automatic AWD		 flat light hvy 0 0 5 95 80 18.1
  Averages flat light hvy 0 0 5 95 80 18.1
With the 320-horsepower 4.5L V8 engine, 5-speed shiftable automatic transmission, and all-wheel drive, 2006 Infiniti FX fuel economy has been averaging 18.1 MPG (miles per gallon).

The 2006 Infiniti FXs in this analysis were driven mostly on the highway at an average speed of 80 miles per hour (about 95 percent of the miles driven). The rest of the miles were in the suburbs (5 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2006 Infiniti FX in this analysis was driven on flat terrain with a light foot and the AC on most or all 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
2006 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light light 15 25 20 40 60 19.3
flat med none 15 0 65 20 65 16.4
flat lead hvy 0 10 40 50 70 19.9
hills med light 10 5 5 80 60 20.0
flat light none 0 10 40 50 70 18.9
2006 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med light 8 10 34 48 65 18.9
  Averages flat med light 8 10 34 48 65 18.9
With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and all-wheel drive, the 2006 Infiniti FX has been averaging 18.9 MPG (miles per gallon).

The 2006 Infiniti FXs in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 48 percent of the miles driven). The rest of the miles were in the suburbs (34 percent), in the city (10 percent), and in heavy traffic (8 percent).

In addition the average 2006 Infiniti FX 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
2005 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light none 0 0 33 67 60 15.8
2005 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat light none 0 0 33 67 60 15.8
  Averages flat light none 0 0 33 67 60 15.8
With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2005 Infiniti FX gas mileage has been averaging 15.8 MPG (miles per gallon).

The 2005 Infiniti FXs in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 67 percent of the miles driven). The rest of the miles were in the suburbs (33 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2005 Infiniti FX 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
2005 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat light light 10 5 10 75 75 19.2
flat light light 10 5 10 75 75 18.7
hills med hvy 0 20 50 30 60 17.1
hills med none 20 20 20 40 60 17.8
flat med none 10 0 75 15 80 18.5
2005 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 flat med light 10 10 33 47 70 18.3
  Averages flat med light 10 10 33 47 70 18.3
With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and all-wheel drive, 2005 Infiniti FX fuel economy has been averaging 18.3 MPG (miles per gallon).

The 2005 Infiniti FXs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 47 percent of the miles driven). The rest of the miles were in the suburbs (33 percent), in heavy traffic (10 percent), and in the city (10 percent).

In addition the average 2005 Infiniti FX 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
2004 4dr SUV 315-horsepower 4.5L V8
5-speed shiftable automatic AWD		 flat med hvy 0 0 25 75 70 19.2
flat med hvy 0 75 0 25 70 18.1
flat med hvy 0 90 10 0 N/A 16.3
flat med hvy 0 10 0 90 80 18.8
flat med hvy 0 0 25 75 70 19.9
2004 4dr SUV 315-horsepower 4.5L V8
5-speed shiftable automatic AWD		 flat med hvy 0 35 12 53 73 18.5
  Averages flat med hvy 0 35 12 53 73 18.5
With the 315-horsepower 4.5L V8 engine, 5-speed shiftable automatic transmission, and all-wheel drive, the 2004 Infiniti FX has been averaging 18.5 MPG (miles per gallon).

The 2004 Infiniti FXs in this analysis were driven mostly on the highway at an average speed of 73 miles per hour (about 53 percent of the miles driven). The rest of the miles were in the city (35 percent), in the suburbs (12 percent), and in heavy traffic (0 percent).

In addition the average 2004 Infiniti FX in this analysis was driven on flat terrain with a medium foot and the AC on most or all 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
2004 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 30 15 20 35 60 15.3
flat med hvy 5 10 10 75 65 18.8
flat med hvy 5 50 40 5 65 17.5
flat med light 10 50 20 20 75 18.0
2004 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med hvy 13 31 23 34 66 17.4
  Averages flat med hvy 13 31 23 34 66 17.4
With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2004 Infiniti FX gas mileage has been averaging 17.4 MPG (miles per gallon).

The 2004 Infiniti FXs in this analysis were driven mostly on the highway at an average speed of 66 miles per hour (about 34 percent of the miles driven). The rest of the miles were in the city (31 percent), in the suburbs (23 percent), and in heavy traffic (13 percent).

In addition the average 2004 Infiniti FX in this analysis was driven on flat terrain with a medium foot and the AC on most or all 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
2004 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 mtns lead none 25 30 30 15 60 17.6
flat med hvy 0 60 15 25 80 15.9
flat lead light 10 30 40 20 70 14.7
flat med light 0 0 20 80 70 18.1
2004 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic AWD		 hills lead light 9 30 26 35 70 16.6
  Averages hills lead light 9 30 26 35 70 16.6
With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and all-wheel drive, 2004 Infiniti FX fuel economy has been averaging 16.6 MPG (miles per gallon).

The 2004 Infiniti FXs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 35 percent of the miles driven). The rest of the miles were in the city (30 percent), in the suburbs (26 percent), and in heavy traffic (9 percent).

In addition the average 2004 Infiniti FX in this analysis was driven on hilly terrain with a lead 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
2003 4dr SUV 315-horsepower 4.5L V8
5-speed shiftable automatic AWD		 flat med light 3 6 49 43 80 17.1
flat med light 4 30 33 33 70 17.2
flat lead light 15 5 60 20 70 14.0
2003 4dr SUV 315-horsepower 4.5L V8
5-speed shiftable automatic AWD		 flat med light 7 14 47 32 73 16.1
  Averages flat med light 7 14 47 32 73 16.1
With the 315-horsepower 4.5L V8 engine, 5-speed shiftable automatic transmission, and all-wheel drive, the 2003 Infiniti FX has been averaging 16.1 MPG (miles per gallon).

The 2003 Infiniti FXs in this analysis were driven mostly in the suburbs (about 47 percent of the miles driven). The rest of the miles were on the highway at an average speed of 73 miles per hour (32 percent), in the city (14 percent), and in heavy traffic (7 percent).

In addition the average 2003 Infiniti FX 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
2003 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 9 18 45 27 60 25.9
2003 4dr SUV 280-horsepower 3.5L V6
5-speed shiftable automatic RWD		 flat med light 9 18 45 27 60 25.9
  Averages flat med light 9 18 45 27 60 25.9
With the 280-horsepower 3.5L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2003 Infiniti FX gas mileage has been averaging 25.9 MPG (miles per gallon).

The 2003 Infiniti FXs in this analysis were driven mostly in the suburbs (about 45 percent of the miles driven). The rest of the miles were on the highway at an average speed of 60 miles per hour (27 percent), in the city (18 percent), and in heavy traffic (9 percent).

In addition the average 2003 Infiniti FX in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.

Return to top

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

 

What Our Members Are Saying about the Real Infiniti FX MPG

Infiniti FX Fuel Economy: Pros
YearBody/PowertrainComment
2011 4dr SUV 303-horsepower 3.5L V6
7-speed shiftable automatic RWD		 25 mpg on our last trip, cruising between 75-80 mph.
Infiniti FX Fuel Economy: Cons
YearBody/PowertrainComment
2008 4dr SUV 275-horsepower 3.5L V6
5-speed shiftable automatic AWD		 Averaging 18 mpg. Not horrible, but not great either. With gas prices having doubled since the start of my lease, I try and minimize driving outside my commute and necessary errands.
2004 4dr SUV 315-horsepower 4.5L V8
5-speed shiftable automatic AWD		 18 miles per gallon on average.