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  • MY2004–2009

Porsche Carrera 4 S Cabriolet MPG & Fuel Cost by Year

6 model years · 2004–2009

21 MPG
Combined
18 MPG
City
27 MPG
Highway
Annual cost · MY2009 Carrera 4 S Cabriolet 3.8L 6-cyl 4WD
$3,830

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

All Porsche models

Porsche Carrera 4 S Cabriolet fuel economy at a glance

EPA has rated the Porsche Carrera 4 S Cabriolet for 6 model years, 2004 to 2009. Across those years its combined rating runs 17–21 MPG. The latest model year, 2009, has 2 configurations rated 20–21 MPG combined and costing $3,830–$4,020 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2004 is the 2009 Carrera 4 S Cabriolet 3.8L 6-cyl 4WD, at 21 MPG.

Porsche Carrera 4 S Cabriolet MPG by year

16182022 200420062009 Gas 16182022 200420062009 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Porsche Carrera 4 S Cabriolet: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2009 Generation page
2009 20–21 $3,830–$4,020
2006-2008 Generation page
2008 19 $4,230
2007 18–19 $4,230–$4,460
2006 18–19 $4,230–$4,460
2004-2005 Generation page
2005 18 $4,460
2004 17–18 $4,460–$4,730

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Porsche Carrera 4 S Cabriolet generations

3 generations between 2004 and 2009. Open one for the table of every model year and configuration.

2009 powertrain options

Gas · 3.8L
Combined
20–21 MPG
Per year
$3,830–$4,020
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · premium gasoline $5.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Porsche Carrera 4 S Cabriolet's gas mileage by year?

EPA combined ratings for the Porsche Carrera 4 S Cabriolet run 17–21 MPG across model years 2004 to 2009. The latest year, 2009, is rated 20–21 MPG.

Which Porsche Carrera 4 S Cabriolet model year has the best gas mileage?

The 2009 Porsche Carrera 4 S Cabriolet Carrera 4 S Cabriolet 3.8L 6-cyl 4WD has the highest combined rating since 2004, at 21 MPG.

How much does a Porsche Carrera 4 S Cabriolet cost to fuel per year?

For MY2009, EPA-rated configurations cost $3,830–$4,020 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,830.

Has the Porsche Carrera 4 S Cabriolet's fuel economy improved over time?

Yes. The most efficient configuration moved from 18 MPG in 2004 to 21 MPG in 2009, 3 MPG more.

How many generations of the Porsche Carrera 4 S Cabriolet are there?

EPA data covers 3 generations of the Porsche Carrera 4 S Cabriolet: 2009, 2006-2008, 2004-2005. Each has its own page with a table for every model year.