Tank Ledger

Infiniti I35 MPG by year — every rating on record

The Infiniti I35 has a combined EPA fuel economy rating for 3 model years, from 2002 to 2004. Across those years its best rated version returned 20 mpg (2002) and its thirstiest returned 20 mpg (2002). The EPA record holds 3 configurations for this nameplate, most recently a Midsize Cars.

20best combined mpg (2002)
20worst combined mpg (2002)
20latest year best (2004)
3configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
2002120 mpg20 mpg#27 of 52 (49th pct)Front-Wheel DriveRegularMidsize Cars
2003120 mpg20 mpg#25 of 46 (47th pct)Front-Wheel DriveRegularMidsize Cars
2004120 mpg20 mpg#31 of 55 (44th pct)Front-Wheel DriveRegularMidsize Cars

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Infiniti I35 placed highest in 2003 at #25 of 46, and lowest in 2004 at #31 of 55. It spent 0 of its 3 ranked years in the top half of its class.

Every configuration on record

All 3 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrCO2 g/miGHG
20043.5L 6-cyl Front-Wheel Drive Automatic 4-spd Regular3.5L 6-cyl172420575.014.9$3,100444.35n/a
20033.5L 6-cyl Front-Wheel Drive Automatic 4-spd Regular3.5L 6-cyl172420575.014.9$3,100444.35n/a
20023.5L 6-cyl Front-Wheel Drive Automatic 4-spd Regular3.5L 6-cyl172420575.014.9$3,100444.35n/a

What I35 fuel costs over a year

At the EPA's 11,500 miles a year, the 2004 Infiniti I35 burns 575 to 575 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

Pump priceMost efficientThirstiestSpread
$3.00/gal$1,725$1,725$0
$3.50/gal$2,013$2,013$0
$4.00/gal$2,300$2,300$0

EPA’s own estimate for the 2004 model year is $3,100 to $3,100 a year in fuel, or $4,250 more than the average new vehicle over five years.

How it compares with other Midsize Cars

Across the 483 nameplates EPA classifies as Midsize Cars, the median best combined rating is 25 mpg. At 20 mpg the Infiniti I35 is 5 mpg below the median, which is worth about $403 a year at $3.50 a gallon.

Other Infiniti nameplates

Every Infiniti model compared → — all nameplates ranked by best combined rating, with what each one costs a year.