2003 Infiniti FX45 AWDFuel Economy & MPG Ratings
Gasoline Sport Utility Vehicle - 4WD4-Wheel or All-Wheel Drive
City
13
MPG
Highway
18
MPG
Combined
15
MPG
Real-World MPG
Based on 2 owner reports via EPA fueleconomy.gov
15.7MPG average+4.8% vs EPA label
EPA combined: 15 MPG · Owner reported avg: 15.7 MPG
Range: 13–19 MPG
Driving mix: City 35% / Highway 65%
Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.
Owner reported MPG for this vehicle averages 15.7 real world MPG based on 2 owner reports. EPA combined rating is 15 MPG.
Trim Comparison
Automatic (S5)
Premium
City
13
Hwy
18
Comb
15
Fuel cost: $5,450/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (S5) | Premium | 13 | 18 | 15 | $5,450 |
Annual Fuel Cost
$5,450
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-15,250
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 592 g/mile
- Annual Petroleum Consumption
- 19.8 barrels
Specifications
- Engine
- 4.5L 8-cyl
- Transmission
- 5-speed Automatic
- Drivetrain
- AWD
- Body Style
- SUV/Crossover
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 4.5L, 8-cylinder
- Fuel Type
- Premium Gasoline
Related
Infiniti FX45 AWD MPG History
See how this model's fuel economy changed by year