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Car CO2 and fuel economy figures for Porsche vehicles

Our car CO2 and fuel economy calculator uses independent data from EQUA Index to provide real-world driving figures compared to official manufacturer mpg rates.
To start, choose a car type or vehicle make
CO2 :
Manufacturer Derivative Official CO2 Equa CO2 Official MPG Equa MPG BIK Price
Porsche 911 Convertible 3.0T 420 SS €6 Carrera S PDK Auto7 17MY 178g/km E1 36.2 30.1 £97,086
Porsche 911 Convertible 3.0T 420 SS €6 Carrera S 7Spd 17MY 202g/km E1 32.1 31.0 £94,698
Porsche 911 Convertible 3.0T 370 SS €6 Carrera PDK Auto7 17MY 172g/km E1 37.7 31.6 £87,641
Porsche 911 Convertible 3.0T 370 SS €6 Carrera 7Spd 17MY 195g/km E1 33.2 32.4 £85,253
Porsche 911 Convertible 4wd 3.0T 370 SS €6 Carrera 4 7Spd 17MY 206g/km E1 31.7 31.1 £90,240
Porsche 911 Convertible 4wd 3.0T 370 SS €6 Carrera 4 PDK Auto7 17MY 182g/km E1 35.8 30.3 £92,628
Porsche 911 Convertible 4wd 3.0T 420 SS €6 Carrera 4S 7Spd 17MY 208g/km F1 31.4 29.7 £99,684
Porsche 911 Convertible 4wd 3.0T 420 SS €6 Carrera 4S PDK Auto7 17MY 184g/km E1 35.3 30.6 £102,072
Porsche 911 Convertible 4wd 3.8T 540 SS €6 Turbo PDK Auto7 17MY 216g/km - 30.4 - £135,766
Porsche 911 Convertible 4wd 3.8T 580 SS €6 Turbo S PDK Auto7 17MY 216g/km - 30.4 - £154,614
Porsche 911 Convertible 3.0T 450 SS €6 Carrera GTS PDK Auto7 17MY 190g/km F1 33.6 29.2 £105,975
Porsche 911 Convertible 3.0T 450 SS €6 Carrera GTS 7Spd 17MY 214g/km F1 30.1 30.0 £103,158
Porsche 911 Convertible 4wd 3.0T 450 SS €6 Carrera 4 GTS PDK Auto7 17MY 196g/km F1 32.5 28.0 £110,961
Porsche 911 Convertible 4wd 3.0T 450 SS €6 Carrera 4 GTS 7Spd 17MY 220g/km F1 29.1 28.8 £108,144
Porsche 911 Convertible 3.0T 420 SS €6 Carrera S PDK Auto7 18MY 178g/km - 36.2 - £98,659
Porsche 911 Convertible 3.0T 420 SS €6 Carrera S 7Spd 18MY 202g/km - 32.1 - £96,176
Porsche 911 Convertible 3.0T 370 SS €6 Carrera PDK Auto7 18MY 172g/km - 37.7 - £89,215
Porsche 911 Convertible 3.0T 370 SS €6 Carrera 7Spd 18MY 195g/km - 33.2 - £86,732
Porsche 911 Convertible 3.0T 450 SS €6 Carrera GTS PDK Auto7 18MY 190g/km - 33.6 - £107,566
Porsche 911 Convertible 3.0T 450 SS €6 Carrera GTS 7Spd 18MY 214g/km - 30.1 - £104,636
Porsche 911 Convertible 4wd 3.0T 370 SS €6 Carrera 4 7Spd 18MY 206g/km - 31.7 - £91,718
Porsche 911 Convertible 4wd 3.0T 370 SS €6 Carrera 4 PDK Auto7 18MY 182g/km - 35.8 - £94,201
Porsche 911 Convertible 4wd 3.0T 420 SS €6 Carrera 4S 7Spd 18MY 208g/km - 31.4 - £101,162
Porsche 911 Convertible 4wd 3.0T 420 SS €6 Carrera 4S PDK Auto7 18MY 184g/km - 35.3 - £103,645
Porsche 911 Convertible 4wd 3.0T 450 SS €6 Carrera 4 GTS PDK Auto7 18MY 196g/km - 32.5 - £112,552
Porsche 911 Convertible 4wd 3.0T 450 SS €6 Carrera 4 GTS 7Spd 18MY 220g/km - 29.1 - £109,622
Porsche 911 Convertible 4wd 3.8T 540 SS €6 Turbo PDK Auto7 18MY 216g/km - 30.4 - £137,533
Porsche 911 Convertible 4wd 3.8T 580 SS €6 Turbo S PDK Auto7 18MY 216g/km - 30.4 - £156,381
Porsche Boxster Spyder 3.8 375 SS €6 6Spd 16MY 230g/km - 28.5 - £60,459
Porsche 718 Boxster Convertible 2.0T 300 SS €6 PDK Auto7 17MY 158g/km D1 40.9 36.0 £43,661
Porsche 718 Boxster Convertible 2.0T 300 SS €6 6Spd 17MY 168g/km D1 38.2 34.4 £41,739
Porsche 718 Boxster Convertible 2.5T 350 SS €6 S PDK Auto7 17MY 167g/km D1 38.7 34.0 £52,617
Porsche 718 Boxster Convertible 2.5T 350 SS €6 S 6Spd 17MY 184g/km E1 34.9 31.4 £50,695
Porsche 718 Boxster Convertible 2.0T 300 SS €6 PDK Auto7 18MY 158g/km - 40.9 - £46,758
Porsche 718 Boxster Convertible 2.0T 300 SS €6 6Spd 18MY 168g/km - 38.2 - £44,758
Porsche 718 Boxster Convertible 2.5T 350 SS €6 S PDK Auto7 18MY 167g/km - 38.7 - £55,714
Porsche 718 Boxster Convertible 2.5T 350 SS €6 S 6Spd 18MY 184g/km - 34.9 - £53,714
Porsche 911 Targa 4wd 3.0T 370 SS €6 4 7Spd 17MY 206g/km E1 31.7 30.9 £90,240
Porsche 911 Targa 4wd 3.0T 370 SS €6 4 PDK Auto7 17MY 182g/km E1 35.8 30.1 £92,628
Porsche 911 Targa 4wd 3.0T 420 SS €6 4S 7Spd 17MY 208g/km F1 31.4 29.5 £99,684
Data isn't available for all vehicle derivatives

How the Equa CO2 index works

The Equa CO2 Index provides a rating from A++ to H, allowing comparison between vehicles regardless of fuel type.

It also shows how close a vehicle gets to the official figures on a scale of 1-5.

For example A1 would be the least polluting car (A) with the most accurate official CO2 results (1).

H5 is the worst polluter (H) and furthest from the official number (5).

RatingFrom g/km CO2To g/km CO2
A-125
B125150
C150175
D175200
E200225
F225250
G250275
H275 -

Car CO2 Emissions and Real World Economy Calculator

Our tool allows you to compare official mpg figures provided by manufacturers and mpg figures provided by Emissions Analytics and its EQUA Index ratings gained through multiple repeats of rural, urban and extra-urban roads using a portable measuring system, recording tailpipe emissions.

Calculate CO2 car emissions with the Fleet News CO2 emissions calculator to find the lowest emitting vehicles available on the market today.

The environment is becoming more central to how we do business as more and more companies are looking to reduce CO2 emissions across their fleets.

Here at Fleet News we have a co2 emissions calculator to help businesses calculate their fleet CO2 emissions.

Calculate car co2 emissions today with the Fleet News Car CO2 Emissions Calculator.