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2009 Mercedes-Benz S65 AMG — 6.0L 12-cyl, S5 automatic, RWD
This 2009 Mercedes-Benz S65 AMG (6.0L 12-cyl, S5 automatic, RWD) takes premium gasoline. PREMIUM
13
MPG combined (11 city / 17 hwy)
$5,950
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: Large Cars · retrieved 2026-06-14.