- Newest year: 2005
- Gas
- Two-seaters
- Same as 2004
2004-2005 Porsche Carrera GT MPG & Fuel Cost
2 model years · 11 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Among the costliest two-seater configurations to fuel, MY2005. Ranked against all rated configurations, not sales-weighted.
2004-2005 Porsche Carrera GT at a glance
The 2004-2005 Porsche Carrera GT covers 2 model years in the EPA database (2 configurations in all), rated 11 MPG combined. The newest model year, 2005, costs about $7,310 a year to fuel for its most efficient version, the Carrera GT 5.7L 10-cyl RWD (11 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA lists identical ratings for every model year of this generation.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2004-2005 Porsche Carrera GT by model year
What the 2005 Carrera GT 5.7L 10-cyl RWD costs to drive
Per month
$609
$7,310 a year ÷ 12
Per 25 miles
$12.18
Per 100 miles
$48.73
Five years
$36,550
5 × the yearly cost, prices held at today's level
vs the two-seater median
$2,950more a year
Class median $4,360 a year, MY2005
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2005 Porsche Carrera GT MPG
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
EPA lists the same ratings for the 2005 Porsche Carrera GT as for the 2004 model, so the configurations and costs are the ones in the 2004 section above.See 2004
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Carrera GT (Most efficient) | 5.7L 10-cyl | RWD | 9 | 15 | 11 | $7,310 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2004 Porsche Carrera GT MPG
11 MPG · $7,310/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Carrera GT (Most efficient) | 5.7L 10-cyl | RWD | 9 | 15 | 11 | $7,310 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the Carrera GT 5.7L 10-cyl RWD: $8,710 in California and $6,330 in Texas, a $2,380 difference.
- California $8,710
- Washington $8,190
- New York $7,210
- Florida $6,670
- Texas $6,330
Similar cars
Closest combined MPG among MY2005 two-seater models.
Generations
- 2004-2005 (2004)
Frequently asked questions
What gas mileage does the 2004-2005 Porsche Carrera GT get?
EPA rates the 2004-2005 Porsche Carrera GT at 11 MPG combined across 2 configurations and 2 model years. The most efficient version, the 2005 Carrera GT 5.7L 10-cyl RWD, is rated 11 MPG (9 city, 15 highway).
Which years had the best MPG in the 2004-2005 Porsche Carrera GT?
Every model year of the 2004-2005 Porsche Carrera GT tops out at 11 MPG combined, so no year is better than another.
Did EPA ratings change during the 2004-2005 Porsche Carrera GT?
No. EPA lists the same ratings for every model year from 2004 to 2005.
How much does it cost to fuel a 2005 Porsche Carrera GT per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the Carrera GT 5.7L 10-cyl RWD costs about $7,310 a year. Across all 1 configuration the cost runs $7,310 a year.
How much does it cost to drive a 2005 Porsche Carrera GT 100 miles?
About $48.73 per 100 miles for the Carrera GT 5.7L 10-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2005 Porsche Carrera GT more efficient in the city or on the highway?
The Carrera GT 5.7L 10-cyl RWD is rated 9 city and 15 highway MPG, so it is more efficient on the highway, by 6 MPG.
How does the 2005 Porsche Carrera GT compare with other two-seater configurations?
The Carrera GT 5.7L 10-cyl RWD costs about $7,310 a year to fuel, $2,950 more than the class median of $4,360, and less than 0 of 10 two-seater configurations. The comparison covers all 69 rated two-seater configurations for MY2005, not weighted by sales.
Is the 2005 Porsche Carrera GT different from the 2004 model?
No. EPA lists the same ratings for 2004 and 2005: 1 configuration rated 11 MPG combined. See the 2004 Porsche Carrera GT for that year.