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2007 Infiniti FX35 AWD — 3.5L 6-cyl, S5 automatic, AWD
This 2007 Infiniti FX35 AWD (3.5L 6-cyl, S5 automatic, AWD) takes premium gasoline. PREMIUM
17
MPG combined (15 city / 20 hwy)
$4,550
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
The EPA lists this trim as premium because that's the fuel the manufacturer specified for its mileage test. Many such engines will run on regular with slightly lower power and MPG — but check your owner's manual to see whether premium is required or just recommended.
EPA fuel type: Premium · class: Sport Utility Vehicle - 4WD · retrieved 2026-06-14.