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

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

Infiniti Q 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
2003 4dr Sedan 340-horsepower 4.5L V8
5-speed shiftable automatic RWD
flat med hvy 5 20 10 65 80 19.9
2003 4dr Sedan 340-horsepower 4.5L V8
5-speed shiftable automatic RWD
flat med hvy 5 20 10 65 80 19.9
  Averages flat med hvy 5 20 10 65 80 19.9
With the 340-horsepower 4.5L V8 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2003 Infiniti Q fuel economy has been averaging 19.9 MPG (miles per gallon).

The 2003 Infiniti Qs in this analysis were driven mostly on the highway at an average speed of 80 miles per hour (about 65 percent of the miles driven). The rest of the miles were in the city (20 percent), in the suburbs (10 percent), and in heavy traffic (5 percent).

In addition the average 2003 Infiniti Q 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
2002 4dr Sedan 340-horsepower 4.5L V8
5-speed shiftable automatic RWD
flat med hvy 25 5 5 65 65 20.5
flat light none 25 5 5 65 65 19.5
flat light none 0 100 0 0 N/A 15.5
flat light hvy 0 0 0 100 65 30.0
flat light light 25 5 5 65 65 20.5
2002 4dr Sedan 340-horsepower 4.5L V8
5-speed shiftable automatic RWD
flat light light 15 23 3 59 65 21.2
  Averages flat light light 15 23 3 59 65 21.2
With the 340-horsepower 4.5L V8 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, the 2002 Infiniti Q has been averaging 21.2 MPG (miles per gallon).

The 2002 Infiniti Qs in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 59 percent of the miles driven). The rest of the miles were in the city (23 percent), in heavy traffic (15 percent), and in the suburbs (3 percent).

In addition the average 2002 Infiniti Q in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.

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If you are not a TrueDelta member, you can see only five Infiniti Q 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 Q MPG

Infiniti Q Fuel Economy: Pros
YearBody/PowertrainComment
2002 4dr Sedan 340-horsepower 4.5L V8
5-speed shiftable automatic RWD
I have been able to achieve 27+ mpg with 245/50/18 tires on stock rims. Also I dont drive hard or fast. Although w/ the power this engine has, OCCASIONALLLY.....I get on it!