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www.fueleconomy.gov
Photograph of Cars
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 Why is Fuel
Economy
Important?
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2007 Vehicles by Porsche
Model
MPG
(city)
MPG
(hwy)
Annual
Fuel
Cost*

Greenhouse Gas
Emissions
(tons/yr)*
 Greenhouse gas (GHG) emissions from your car may contribute to climate change. Cars with better gas mileage emit less greenhouse gases. Click for more info.
EPA
Air
Pollution
Score
From 0 to 10 (best)
 The EPA air pollution score rates cars and light trucks based on how much smog-forming air pollution they emit. Some vehicles are available in multiple emission versions. Click for more info.
Porsche Cayman
6 cyl, 2.7 L, Automatic 5-spd, Premium 		19 26
$2827
8.70 score: 06
score: 07
Porsche Cayman
6 cyl, 2.7 L, Manual 5-spd, Premium 		20 29
$2584
8.00 score: 06
score: 07
Porsche Cayman
6 cyl, 2.7 L, Manual 6-spd, Premium 		19 28
$2703
8.30 score: 06
score: 07
Porsche Cayman S
6 cyl, 3.4 L, Automatic 5-spd, Premium 		18 25
$2827
8.70 score: 06
score: 07
Porsche Cayman S
6 cyl, 3.4 L, Manual 6-spd, Premium 		18 26
$2827
8.70 score: 06
score: 07

Annual Fuel Costs and Greenhouse Gas Estimates are based on 45% highway driving, 55% city driving, and 15000 annual miles.

Assumed Fuel Prices:

  • Regular: 3.72
  • Premium: 3.96
  • Diesel: 3.96
  • CNG: 1.65
  • Electricity: 0.08 per kilowatt hour
  • E85: 3.27
  • LPG: 2.10