Gallonly
2007 Porsche 911 GT3 SCD 24
Shown: 2007 Porsche 911 GT3 SCD 24. Photo: MrWalkr, CC BY-SA 4.0, via Wikimedia Commons
  • Gas
  • Small cars
  • MY2003–2005

Porsche Carrera 4 Cabriolet Kit MPG & Fuel Cost by Year

3 model years · 2003–2005

18 MPG
Combined
15 MPG
City
22 MPG
Highway
Annual cost · MY2005 Carrera 4 Cabriolet Kit 3.6L 6-cyl 4WD
$4,460

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

All Porsche models

Porsche Carrera 4 Cabriolet Kit fuel economy at a glance

EPA has rated the Porsche Carrera 4 Cabriolet Kit for 3 model years, 2003 to 2005. Across those years its combined rating runs 17–18 MPG. The latest model year, 2005, has 2 configurations rated 18 MPG combined and costing $4,460 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2003 is the 2005 Carrera 4 Cabriolet Kit 3.6L 6-cyl 4WD, at 18 MPG.

Porsche Carrera 4 Cabriolet Kit MPG by year

1618 20032005 Gas 1618 20032005 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 Cabriolet Kit: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2003-2005 Generation page
2005 18 $4,460
2004 18 $4,460
2003 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 Cabriolet Kit generations

1 generations between 2003 and 2005. Open one for the table of every model year and configuration.

2005 powertrain options

Gas · 3.6L
Combined
18 MPG
Per year
$4,460
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 Cabriolet Kit's gas mileage by year?

EPA combined ratings for the Porsche Carrera 4 Cabriolet Kit run 17–18 MPG across model years 2003 to 2005. The latest year, 2005, is rated 18 MPG.

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

The 2005 Porsche Carrera 4 Cabriolet Kit Carrera 4 Cabriolet Kit 3.6L 6-cyl 4WD has the highest combined rating since 2003, at 18 MPG.

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

For MY2005, EPA-rated configurations cost $4,460 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,460.

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

Not much. The most efficient configuration is rated 18 MPG in both 2003 and 2005.