Porsche 911 CARRERA 4S CABRIOLET 3.8 Petrol M6+ Fuel Consumption & Efficiency

911 CARRERA 4S CABRIOLET from Porsche is a Subcompact car with a 3.8 L petrol engine.
It has decent six cylinders and uses regular unleaded gasoline.
It is equipped with a manual gearbox.
Transmission: 6-speed gearbox with overdrive.

Fuel consumption test for Porsche 911 CARRERA 4S CABRIOLET

This car was tested both in a city and on a highway.

Fuel consumption in L / 100km

City: 11.9 liters per 100 km
Highway: 8.1 liters per 100 km

Fuel consumption in miles / gallon

City: 24 MPG
Highway: 35 MPG

Average fuel consumption for this car is 29.5 MPG (10 liters per 100 km).

Is this car economical and environmentally friendly?

This factor is measured by the value of CO2 per kilometer (car releases CO2 to the atmosphere). If the value is small than yes, car is economical. If it’s big (above 300) than it will cause high petrol costs.
In case of 911 CARRERA 4S CABRIOLET 3.8 CO2 emission is 229 grams per kilometer.
This car is a little above average when it comes to fuel consumption. There are more economical alternatives on the market. However, the Fuel consumption results are not so bad.

Yearly fuel expenses for 911 CARRERA 4S CABRIOLET

If you drive 20 000 kilometers a year (that’s 12 427 miles) and spend half of that time in town while other half on open road you will end up burning 2040 liters of fuel.
Multiply 2040 with a fuel price and you will end up with a yearly fuel cost. It would be around 2346 $ if you are in Canada and year is 2012 (that’s when and where this tests were performed).


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