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1998 Porsche Boxster — 2.5L 6-cyl, 5-spd manual, RWD
This 1998 Porsche Boxster (2.5L 6-cyl, 5-spd manual, RWD) takes premium gasoline. PREMIUM
20
MPG combined (17 city / 24 hwy)
$3,850
est. fuel cost / year (EPA, 15k 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 1998 Porsche Boxster trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.5L 6-cyl, Automatic 5-spd, RWD | PREMIUM | 17 | $4,550 |
EPA fuel type: Premium · class: Two Seaters · retrieved 2026-06-14.