MENU
1 0 3 4 3 4

We are 103,000+ car owners sharing real-world car information.

Join Us

Flagged Gas Tank

 characters remaining

Cadillac DeVille Fuel Economy Data

4dr Sedan 300-hp 4.6L V8 4-sp automatic FWD

flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
flat med none 0 0 70 30 62 18.100
flat med none 0 0 70 30 62 15.700
flat med none 0 0 0 100 62 23.300
flat med light 5 35 30 30 60 16.000

Return to top

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.