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Cadillac DeVille Fuel Economy (g/100m)

g/100m Number of Vehicles
4 gallons per 100 meters 3 vehicles
5 gallons per 100 meters 7 vehicles
6 gallons per 100 meters 1 vehicles
7 gallons per 100 meters 0 vehicles
8 gallons per 100 meters 0 vehicles
9 gallons per 100 meters 0 vehicles
10 gallons per 100 meters 0 vehicles
11 gallons per 100 meters 0 vehicles
12 gallons per 100 meters 0 vehicles
13 gallons per 100 meters 0 vehicles
14 gallons per 100 meters 0 vehicles
15 gallons per 100 meters 0 vehicles
16 gallons per 100 meters 0 vehicles
17 gallons per 100 meters 0 vehicles
18 gallons per 100 meters 0 vehicles
19 gallons per 100 meters 0 vehicles
20 gallons per 100 meters 0 vehicles
21 gallons per 100 meters 0 vehicles
22 gallons per 100 meters 0 vehicles
23 gallons per 100 meters 0 vehicles
24 gallons per 100 meters 1 vehicles
25 gallons per 100 meters 0 vehicles
26 gallons per 100 meters 0 vehicles
27 gallons per 100 meters 0 vehicles
28 gallons per 100 meters 0 vehicles
29 gallons per 100 meters 0 vehicles
30 gallons per 100 meters 0 vehicles
31 gallons per 100 meters 1 vehicles
32 gallons per 100 meters 0 vehicles
33 gallons per 100 meters 0 vehicles
34 gallons per 100 meters 0 vehicles
35 gallons per 100 meters 1 vehicles
Model Year Body/Powertrain g/100m  
2005 2005 4dr Sedan 290-hp 4.6L V8 4-sp automatic FWD 4.08
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With the 217 kilowatts 4.6L V8 engine, 4-speed automatic transmission, and front-wheel drive, the 2005 Cadillac DeVille has been averaging 4.08 L/100km (liters per 100 kilometers).

The 2005 Cadillac DeVilles in this analysis were driven mostly on the highway at an average speed of 65 kilometers per hour (about 75 percent of the kilometers driven). The rest of the kilometers were in the suburbs (0 percent), in the city (0 percent), and in heavy traffic (0 percent).

In addition, the average 2005 Cadillac DeVille in this analysis was driven on flat terrain with an ultra-light foot and the AC not used at all.
2004 2004 4dr Sedan 275-hp 4.6L V8 4-sp automatic FWD 4.94
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2003 2003 4dr Sedan 290-hp 4.6L V8 4-sp automatic FWD 23.99
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2003 2003 4dr Sedan 275-hp 4.6L V8 4-sp automatic FWD 4.98
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2002 2002 4dr Sedan 275-hp 4.6L V8 4-sp automatic FWD 3.72
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2000 2000 4dr Sedan 275-hp 4.6L V8 4-sp automatic FWD 4.35
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What Our Members Are Saying about the Real Gas Mileage of the Cadillac DeVille

Cadillac DeVille Real Gas Mileage: Pros
YearBody/PowertrainComment
2003 4dr Sedan 275-horsepower 4.6L V8
4-speed automatic FWD
300hp and 25+MPG highway for a very large and heavy car is great. see full Cadillac DeVille review
 

Cadillac DeVille Gas Mileage (g/100m)

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 DeVille's real-world g/100m based on how and where you drive a car.