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2008 Porsche Cayenne GTS — 4.8L 8-cyl, Automatic 6-spd, AWD
This 2008 Porsche Cayenne GTS (4.8L 8-cyl, Automatic 6-spd, AWD) takes premium gasoline. PREMIUM
15
MPG combined (13 city / 18 hwy)
$5,150
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 2008 Porsche Cayenne GTS trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 4.8L 8-cyl, 6-spd manual, AWD | PREMIUM | 13 | $5,950 |
EPA fuel type: Premium · class: Sport Utility Vehicle - 4WD · retrieved 2026-06-14.