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2015 Audi A6 quattro — 2.0L 4-cyl, S8 automatic, AWD
This 2015 Audi A6 quattro (2.0L 4-cyl, S8 automatic, AWD) takes premium gasoline. PREMIUM
23
MPG combined (20 city / 29 hwy)
$3,350
est. fuel cost / year (EPA, 15k mi)
386 g/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 2015 Audi A6 quattro trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.0L 6-cyl, S8 automatic, AWD | DIESEL | 29 | $2,700 |
| 3.0L 6-cyl, S8 automatic, AWD | PREMIUM | 21 | $3,650 |
EPA fuel type: Premium · class: Midsize Cars · retrieved 2026-06-14.