Infiniti G35 MPG — Gas Mileage by Engine and Year

Quick answer

Against 458 other V6 cars rated 2006–2008, the G35 sits right on their 19.3 mpg average.

Every Infiniti G35 engine, compared

The Infiniti G35 was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.

FIG.01·Infiniti G35 gas mileage by engine
Engine	Combined	City / Highway	Years	Fuel per year
3.5L 6-cyl	20	17 / 24	2003–2008	$1,920

ROWS 1·SOURCE EPA fueleconomy.gov + ForCar

What that actually costs

FIG.02·Infiniti G35 fuel cost
Measure	Value
Cost per mile (2008)	$0.160
Fuel per year	$1,920
Fuel over five years	$9,600
Against other V6 cars, 2006–2008	−$70 a year
EPA's own estimate	$3,725 a year

ROWS 5·SOURCE ForCar, computed from EPA ratings

City or highway — who is this car for

The 2008 Infiniti G35 gives up 7 mpg in town: 24 on the highway against 17 in the city, $659 a year if every mile were city driving.

FIG.03·Infiniti G35 city versus highway
Measure	Value	Reading
City (2008)	17 mpg	$2,259 a year if you only drive in town
Highway	24 mpg	$1,600 a year if you mostly commute
Gap	+7 mpg (41%)	Wide — this car dislikes traffic

ROWS 3·SOURCE EPA fueleconomy.gov + ForCar

How the G35 changed over the years

Combined figure across the 6 model years the G35 was rated in, all of them at 20 mpg.

FIG.04·Infiniti G35 gas mileage by model year
Model year	Combined	City / Highway	Engines offered	Fuel per year
2008	20	17 / 24	1	$1,920
2007	20	17 / 24	1	$1,920
2006	20	17 / 24	1	$1,920
2005	20	17 / 24	1	$1,920
2004	20	17 / 24	1	$1,920
2003	20	17 / 24	1	$1,920

ROWS 6·SOURCE EPA fueleconomy.gov + ForCar

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How we count

This page rests on 6 EPA ratings of the Infiniti G35 — 1 engine across 2003–2008. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $3,725. Full method.

Everything on the Infiniti G35

Recalls19 campaigns Reliability4.0/5 Common problems876 complaints Check a VINAgainst this exact build DimensionsSize, weight, generations Cargo space15 cu ft Used prices491 listings What yours is worthValue by year & mileage Insurance costEstimated per year Window stickerOriginal Monroney label Decode a VINWhat each character means About this car2003–2009

Frequently asked questions

What mpg does the 2008 Infiniti G35 get?

20 mpg combined, 17 city and 24 highway, per EPA. Across every year since 2003 the G35 has averaged 20 mpg.

Is the 2008 G35 more efficient than the 2007?

About the same: 20 against 20 mpg combined.

Gas mileage ratings from EPA fueleconomy.gov, unadjusted. Running cost computed by ForCar at 12,000 miles a year and $3.20 a gallon. Last updated Nov 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.

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