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Cadillac STS Fuel Economy (km/L)

km/L Number of Vehicles
33 kilometers per liter 1 vehicles
34 kilometers per liter 1 vehicles
35 kilometers per liter 0 vehicles
36 kilometers per liter 0 vehicles
37 kilometers per liter 0 vehicles
38 kilometers per liter 0 vehicles
39 kilometers per liter 0 vehicles
40 kilometers per liter 0 vehicles
41 kilometers per liter 2 vehicles
42 kilometers per liter 0 vehicles
43 kilometers per liter 0 vehicles
44 kilometers per liter 2 vehicles
45 kilometers per liter 1 vehicles
46 kilometers per liter 0 vehicles
47 kilometers per liter 0 vehicles
48 kilometers per liter 0 vehicles
49 kilometers per liter 2 vehicles
50 kilometers per liter 0 vehicles
51 kilometers per liter 0 vehicles
52 kilometers per liter 1 vehicles
53 kilometers per liter 0 vehicles
54 kilometers per liter 0 vehicles
55 kilometers per liter 0 vehicles
56 kilometers per liter 1 vehicles
57 kilometers per liter 0 vehicles
58 kilometers per liter 1 vehicles
59 kilometers per liter 0 vehicles
60 kilometers per liter 1 vehicles
61 kilometers per liter 0 vehicles
62 kilometers per liter 1 vehicles
Model Year Body/Powertrain km/L  
2006 2006 4dr Sedan 254-hp 3.6L V6 5-sp shiftable automatic AWD 44.7
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With the 225 kilowatts 3.6L V6 engine, 6-speed shiftable automatic transmission, and all-wheel drive, the 2006 Cadillac STS has been averaging 44.7 L/100km (liters per 100 kilometers).

The 2006 Cadillac STSs in this analysis were driven mostly in the city (about 45 percent of the kilometers driven). The rest of the kilometers were on the highway at an average speed of 60 kilometers per hour (20 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).

In addition, the average 2006 Cadillac STS in this analysis was driven on flat terrain with a light foot and the AC not used at all.
2006 2006 4dr Sedan 320-hp 4.6L V8 6-sp shiftable automatic RWD 57.6
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2006 2006 4dr Sedan 302-hp 3.6L V6 6-sp shiftable automatic RWD 47.06
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What Our Members Are Saying about the Real Gas Mileage of the 2006 Cadillac STS

2006 Cadillac STS Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD		 16 city/21 highway. Buy it only if you can afford it with out complaining. see full Cadillac STS review
2005 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic AWD		 This car is thirsty. I live in flat country and I get 15 mpg with 80% highway traffic. I only get 19 mpg on trips. It probably needs a 6th speed overdive for the highway. see full Cadillac STS review
 

2006 Cadillac STS Gas Mileage (km/L)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Cadillac STS's real-world km/L based on how and where you drive a car.