← all 2020 Porsche 911 Carrera 4S Cabriolet trims
2020 Porsche 911 Carrera 4S Cabriolet — 3.0L 6-cyl, AM-S8 automatic, AWD
This 2020 Porsche 911 Carrera 4S Cabriolet (3.0L 6-cyl, AM-S8 automatic, AWD) takes premium gasoline. PREMIUM
20
MPG combined (18 city / 23 hwy)
$3,850
est. fuel cost / year (EPA, 15k mi)
445 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 2020 Porsche 911 Carrera 4S Cabriolet trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.0L 6-cyl, 7-spd manual, AWD | PREMIUM | 20 | $3,850 |
EPA fuel type: Premium · class: Minicompact Cars · retrieved 2026-06-14.