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2009 Audi S4 Cabriolet — 4.2L 8-cyl, S6 automatic, AWD
This 2009 Audi S4 Cabriolet (4.2L 8-cyl, S6 automatic, AWD) takes premium gasoline. PREMIUM
16
MPG combined (14 city / 21 hwy)
$4,800
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.
Other 2009 Audi S4 Cabriolet trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 4.2L 8-cyl, 6-spd manual, AWD | PREMIUM | 15 | $5,150 |
EPA fuel type: Premium · class: Subcompact Cars · retrieved 2026-06-14.