FuelFacts

← all 2006 Porsche Cayman S trims

2006 Porsche Cayman S — 3.4L 6-cyl, 6-spd manual, RWD

This 2006 Porsche Cayman S (3.4L 6-cyl, 6-spd manual, RWD) takes premium gasoline. PREMIUM

21
MPG combined (18 city / 26 hwy)
$3,650
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 2006 Porsche Cayman S trims

TrimFuelMPGFuel/yr
3.4L 6-cyl, Automatic 5-spd, RWDPREMIUM21$3,650

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