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www.fueleconomy.gov
Photograph of Cars
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 Why is Fuel
Economy
Important?
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2006 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 Boxster
6 cyl, 2.7 L, Automatic 5-spd, Premium 		16 24
$1515
9.60 score: 06
Porsche Boxster
6 cyl, 2.7 L, Manual 5-spd, Premium 		18 27
$1371
8.70 score: 06
Porsche Boxster
6 cyl, 2.7 L, Manual 6-spd, Premium 		18 26
$1371
8.70 score: 06
Porsche Boxster S
6 cyl, 3.2 L, Automatic 5-spd, Premium 		16 24
$1515
9.60 score: 06
Porsche Boxster S
6 cyl, 3.2 L, Manual 6-spd, Premium 		17 25
$1440
9.20 score: 06
Porsche Carrera 2 Cabriolet
6 cyl, 3.6 L, Automatic 5-spd, Premium 		17 24
$1515
9.60 score: 02
Porsche Carrera 2 Cabriolet
6 cyl, 3.6 L, Manual 6-spd, Premium 		16 24
$1515
9.60 score: 02
Porsche Carrera 2 Coupe
6 cyl, 3.6 L, Automatic 5-spd, Premium 		17 24
$1515
9.60 score: 02
Porsche Carrera 2 Coupe
6 cyl, 3.6 L, Manual 6-spd, Premium 		16 24
$1515
9.60 score: 02
Porsche Carrera 2 S Cabriolet
6 cyl, 3.8 L, Automatic 5-spd, Premium 		16 23
$1515
9.60 score: 02
Porsche Carrera 2 S Cabriolet
6 cyl, 3.8 L, Manual 6-spd, Premium 		16 24
$1515
9.60 score: 02
Porsche Carrera 2 S Coupe
6 cyl, 3.8 L, Automatic 5-spd, Premium 		16 23
$1515
9.60 score: 02
Porsche Carrera 2 S Coupe
6 cyl, 3.8 L, Manual 6-spd, Premium 		16 24
$1515
9.60 score: 02
Porsche Carrera 4 Cabriolet
6 cyl, 3.6 L, Automatic 5-spd, Premium 		16 24
$1515
9.60 score: 02
Porsche Carrera 4 Cabriolet
6 cyl, 3.6 L, Manual 6-spd, Premium 		16 24
$1515
9.60 score: 02
Porsche Carrera 4 Coupe
6 cyl, 3.6 L, Automatic 5-spd, Premium 		16 24
$1515
9.60 score: 02
Porsche Carrera 4 Coupe
6 cyl, 3.6 L, Manual 6-spd, Premium 		16 24
$1515
9.60 score: 02
Porsche Carrera 4 S Cabriolet
6 cyl, 3.8 L, Automatic 5-spd, Premium 		16 23
$1515
9.60 score: 02
Porsche Carrera 4 S Cabriolet
6 cyl, 3.8 L, Manual 6-spd, Premium 		15 23
$1601
10.20 score: 02
Porsche Carrera 4 S Coupe
6 cyl, 3.8 L, Automatic 5-spd, Premium 		16 23
$1515
9.60 score: 02
Porsche Carrera 4 S Coupe
6 cyl, 3.8 L, Manual 6-spd, Premium 		15 23
$1601
10.20 score: 02
Porsche Cayenne
6 cyl, 3.2 L, Automatic 5-spd, Premium 		14 18
$1921
12.20 score: 03
Porsche Cayenne
6 cyl, 3.2 L, Manual 6-spd, Premium 		13 19
$1921
12.20 score: 03
Porsche Cayenne S
8 cyl, 4.5 L, Automatic 5-spd, Premium 		12 17
$2056
13.10 score: 03
Porsche Cayenne Turbo
8 cyl, 4.5 L, Automatic 5-spd, Premium 		12 17
$2056
13.10 score: 01
Porsche Cayman S
6 cyl, 3.4 L, Automatic 5-spd, Premium 		18 25
$1371
8.70 NA
Porsche Cayman S
6 cyl, 3.4 L, Manual 6-spd, Premium 		18 26
$1371
8.70 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: 1.66
  • Premium: 1.92
  • Diesel: 2.42
  • CNG: 2.55
  • Electricity: 0.08 per kilowatt hour
  • E85: 2.82
  • LPG: 2.10