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Cadillac DeVille Fuel Economy (L/100km)

L/100km Number of Vehicles
9 liters per 100 kilometers 1 vehicles
10 liters per 100 kilometers 3 vehicles
11 liters per 100 kilometers 2 vehicles
12 liters per 100 kilometers 4 vehicles
13 liters per 100 kilometers 2 vehicles
14 liters per 100 kilometers 0 vehicles
15 liters per 100 kilometers 2 vehicles
Model Year Body/Powertrain L/100km  
2005 2005 4dr Sedan 290-hp 4.6L V8 4-sp automatic FWD 9.6
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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 9.6 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 11.65
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2003 2003 4dr Sedan 290-hp 4.6L V8 4-sp automatic FWD 13.2
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2003 2003 4dr Sedan 275-hp 4.6L V8 4-sp automatic FWD 11.7
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2002 2002 4dr Sedan 275-hp 4.6L V8 4-sp automatic FWD 8.7
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2000 2000 4dr Sedan 275-hp 4.6L V8 4-sp automatic FWD 10.2
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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 (L/100km)

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 L/100km based on how and where you drive a car.