FuelFacts

← all 2005 Porsche Boxster S trims

2005 Porsche Boxster S — 3.2L 6-cyl, Automatic 5-spd, RWD

This 2005 Porsche Boxster S (3.2L 6-cyl, Automatic 5-spd, RWD) takes premium gasoline. PREMIUM

19
MPG combined (16 city / 24 hwy)
$4,050
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 2005 Porsche Boxster S trims

TrimFuelMPGFuel/yr
3.2L 6-cyl, 6-spd manual, RWDPREMIUM20$3,850

EPA fuel type: Premium · class: Two Seaters · retrieved 2026-06-14.