Cadillac STS AWD 3.6 Petrol S6E Fuel Consumption & Efficiency

STS AWD from Cadillac is a Mid-size car with a 3.6 L petrol engine.
It has decent six cylinders and uses Premium unleaded gasoline.
It is equipped with a gearbox that combines Automatic and Manual shifting.
Transmission: 6-speed gearbox with electronic overdrive.

Fuel consumption test for Cadillac STS AWD

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

Fuel consumption in L / 100km

City: 11.7 liters per 100 km
Highway: 7.4 liters per 100 km

Fuel consumption in miles / gallon

City: 24 MPG
Highway: 38 MPG

Average fuel consumption for this car is 31 MPG (9.6 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 STS AWD 3.6 CO2 emission is 218 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 STS AWD

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 1960 liters of fuel.
Multiply 1960 with a fuel price and you will end up with a yearly fuel cost. It would be around 2058 $ if you are in Canada and year is 2012 (that’s when and where this tests were performed).



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