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Cadillac DeVille MPG

MPG Number of Vehicles
16 miles per gallon 2 vehicles
17 miles per gallon 0 vehicles
18 miles per gallon 1 vehicles
19 miles per gallon 1 vehicles
20 miles per gallon 1 vehicles
21 miles per gallon 0 vehicles
22 miles per gallon 1 vehicles
23 miles per gallon 1 vehicles
Model Year Body/Powertrain MPG  
2003 2003 4dr Sedan 290-hp 4.6L V8 4-sp automatic FWD 18.28
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With the 291-horsepower 4.6L V8 engine, 4-speed automatic transmission, and front-wheel drive, the 2003 Cadillac DeVille has been averaging 18.28 MPG (miles per gallon).

The 2003 Cadillac DeVilles in this analysis were driven mostly on the highway at an average speed of 90 miles per hour (about 47.5 percent of the miles driven). The rest of the miles were in the city (8.8 percent), in heavy traffic (1.3 percent), and in the suburbs (0 percent).

In addition, the average 2003 Cadillac DeVille in this analysis was driven on flat terrain with a medium foot and the AC not used at all.
2003 2003 4dr Sedan 275-hp 4.6L V8 4-sp automatic FWD 20.17
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What Our Members Are Saying about the Real Gas Mileage of the 2003 Cadillac DeVille

2003 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
 

2003 Cadillac DeVille Gas Mileage (MPG)

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 MPG based on how and where you drive a car.

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