2004 Cadillac DeVilleFuel Economy & MPG Ratings
Gasoline Large CarsFront-Wheel Drive
City
16
MPG
Highway
24
MPG
Combined
19
MPG
Real-World MPG
Based on 2 owner reports via EPA fueleconomy.gov
23.5MPG average+23.4% vs EPA label
EPA combined: 19 MPG · Owner reported avg: 23.5 MPG
Range: 20–28 MPG
Driving mix: City 15% / Highway 85%
Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.
Owner reported MPG for this vehicle averages 23.5 real world MPG based on 2 owner reports. EPA combined rating is 19 MPG.
Trim Comparison
Automatic 4-spd
Regular
City
16
Hwy
24
Comb
19
Fuel cost: $3,550/yr
Automatic 4-spd
Regular
City
16
Hwy
24
Comb
19
Fuel cost: $3,550/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 4-spd | Regular | 16 | 24 | 19 | $3,550 |
| Automatic 4-spd | Regular | 16 | 24 | 19 | $3,550 |
Annual Fuel Cost
$3,550
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-5,750
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 468 g/mile
- Annual Petroleum Consumption
- 15.7 barrels
Specifications
- Engine
- 4.6L 8-cyl
- Transmission
- 4-speed Automatic
- Drivetrain
- FWD
- Body Style
- Sedan
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 4.6L, 8-cylinder
- Fuel Type
- Regular Gasoline
Related
Cadillac DeVille MPG History
See how this model's fuel economy changed by year