2008 Infiniti G35xFuel Economy & MPG Ratings
Gasoline Midsize Cars4-Wheel or All-Wheel Drive
City
17
MPG
Highway
23
MPG
Combined
19
MPG
Real-World MPG
Based on 8 owner reports via EPA fueleconomy.gov
19.3MPG average+1.4% vs EPA label
EPA combined: 19 MPG · Owner reported avg: 19.3 MPG
Range: 16–23 MPG
Driving mix: City 44% / Highway 56%
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 19.3 real world MPG based on 8 owner reports. EPA combined rating is 19 MPG.
Trim Comparison
Automatic (S5)
Premium
City
17
Hwy
23
Comb
19
Fuel cost: $4,300/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (S5) | Premium | 17 | 23 | 19 | $4,300 |
Annual Fuel Cost
$4,300
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-9,500
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 468 g/mile
- Annual Petroleum Consumption
- 15.7 barrels
Specifications
- Engine
- 3.5L 6-cyl
- Transmission
- 5-speed Automatic
- Drivetrain
- AWD
- Body Style
- Sedan
- GVWR
- Class 1 (≤6,000 lbs)
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 3.5L, 6-cylinder
- Fuel Type
- Premium Gasoline
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
National AvgEPA default
$4.490/gal$3,545/yr
California
$5.957/gal$4,703/yr
Texas
$3.888/gal$3,069/yr
Florida
$4.136/gal$3,265/yr
New York
$4.522/gal$3,570/yr
Ohio
$4.510/gal$3,561/yr
Washington
$5.591/gal$4,414/yr
Colorado
$4.618/gal$3,646/yr
Minnesota
$4.344/gal$3,429/yr
Massachusetts
$4.448/gal$3,512/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $3,545/yr | — |
| California | $5.957/gal | $4,703/yrHIGHEST | +$1,158 |
| Texas | $3.888/gal | $3,069/yrLOWEST | $-476 |
| Florida | $4.136/gal | $3,265/yr | $-280 |
| New York | $4.522/gal | $3,570/yr | +$25 |
| Ohio | $4.510/gal | $3,561/yr | +$16 |
| Washington | $5.591/gal | $4,414/yr | +$869 |
| Colorado | $4.618/gal | $3,646/yr | +$101 |
| Minnesota | $4.344/gal | $3,429/yr | $-116 |
| Massachusetts | $4.448/gal | $3,512/yr | $-33 |
Calculated at 15,000 miles/year (EPA standard assumption) using 19 MPG combined. Regular gasoline prices. Actual costs vary.
Related
Infiniti G35x MPG History
See how this model's fuel economy changed by year