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www.fueleconomy.gov
Photograph of Cars
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 Why is Fuel
Economy
Important?
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2003 Special Purpose Vehicles
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 Cayenne S
8 cyl, 4.5 L, Automatic 5-spd, Premium 		12 17
$4616
13.10 score: 01
Porsche Cayenne Turbo
8 cyl, 4.5 L, Automatic 5-spd, Premium 		12 17
$4616
13.10 NA

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

Assumed Fuel Prices:

  • Regular: 4.08
  • Premium: 4.31
  • Diesel: 4.69
  • CNG: 1.65
  • Electricity: 0.08 per kilowatt hour
  • E85: 2.51
  • LPG: 2.10