Porsche 911 Carrera 4/2
17.3 MPG The 1998 Porsche 911 Carrera 4/2 is EPA-rated at 17.3 MPG combined (14.7 city / 22 highway). Over 15,000 miles a year that is about 867 gallons, $2775 a year in fuel, or $0.185 per mile at $3.20/gal.
Across its full 1990–1998 run it averages 17.1 MPG, improving by 1 MPG over 9 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.145 | $1445 | $2168 | $2890 |
| $3.00/gal | $0.173 | $1734 | $2601 | $3468 |
| $3.20/gal | $0.185 | $1850 | $2775 | $3699 |
| $3.50/gal | $0.202 | $2023 | $3035 | $4046 |
| $4.00/gal | $0.231 | $2312 | $3468 | $4624 |
| $4.50/gal | $0.260 | $2601 | $3902 | $5202 |
| $5.00/gal | $0.289 | $2890 | $4335 | $5780 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 1998 | 17.3 MPG | 14.7 | 22 | $4467 | 513 | 3 |
| 1997 | 17.7 MPG | 15 | 22 | $4383 | 503 | 3 |
| 1996 | 17.7 MPG | 15 | 22 | $4383 | 503 | 3 |
| 1995 | 17.7 MPG | 15 | 22.3 | $4383 | 503 | 3 |
| 1994 | 17 MPG | 14.7 | 22 | $3667 | 524 | 6 |
| 1993 | 17 MPG | 14.7 | 22 | $4550 | 524 | 6 |
| 1992 | 17 MPG | 14.7 | 22 | $4550 | 524 | 6 |
| 1991 | 16.3 MPG | 14.3 | 21.3 | $4717 | 545 | 3 |
| 1990 | 16.3 MPG | 14.3 | 21 | $4717 | 545 | 3 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 68 minicompact cars models tracked here, the Porsche 911 Carrera 4/2 ranks 58 on current figures, against a class average of 22.5 MPG.
Closest more-efficient alternatives in the same class: Jaguar XK Convertible (17.5), Jaguar XKR Convertible (18), Lexus LC 500 Convertible (18), Porsche 911 Turbo S (18), Porsche 911 Turbo S Cabriolet (18).
Tailpipe CO₂ is rated at 513 grams per mile, which works out to roughly 7.7 tonnes a year at 15,000 miles.
Questions
What MPG does the Porsche 911 Carrera 4/2 get?
The 1998 Porsche 911 Carrera 4/2 is rated at 17.3 MPG combined by the EPA — 14.7 city and 22 highway. Across all 9 model years in the database it averages 17.1 MPG, ranging from 16 to 18 depending on year and trim.
How much does a Porsche 911 Carrera 4/2 cost in fuel per year?
At 17.3 MPG and 15,000 miles a year, it burns about 867 gallons — roughly $2775 a year with fuel at $3.20 a gallon, or $0.185 per mile. The EPA's own published annual figure for the 1998 model is $4467.
Has the Porsche 911 Carrera 4/2 become more efficient over time?
Yes. It has gone from 16.3 MPG in 1990 to 17.3 in 1998 — an improvement of 1 MPG, or 6% across 9 model years.
Is the Porsche 911 Carrera 4/2 efficient for its class?
It ranks 58 of 68 in the Minicompact Cars class on current figures, against a class average of 22.5 MPG. That is 5.2 worse than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.