2005 · Large Car · Gas
2005 Cadillac DeVille MPG & fuel economy
The 2005 Cadillac DeVille is a large car offered in 2 EPA-rated configurations. The most efficient version returns 19 MPG combined (16 city / 24 highway) on regular gasoline. Across the lineup, combined ratings range from 18 to 19 MPG. Efficiency is unchanged from the 2004 model. Among 29 large cars rated for 2005, it ranks 12th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,447 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2005 Cadillac DeVille's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.8 km/L in the city and 10.2 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 16 | 6.8 | 14.7 |
| Highway | 24 | 10.2 | 9.8 |
| Combined | 19 | 8.1 | 12.4 |
How it ranks among 2005 Large Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
DeVille MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 4.6L 8-cyl · 4-speed automatic DeVille |
Gas | 16 MPG | 24 MPG | 19 MPG | — | $2,447 |
| FWD · 4.6L 8-cyl · 4-speed automatic DeVille |
Gas | 15 MPG | 22 MPG | 18 MPG | — | $2,583 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 4.6L 8-cyl
- Transmission
- 4-speed automatic
- Drivetrain
- FWD
- Passenger volume
- 108 cu ft
- Cargo volume
- 19 cu ft
- Tailpipe CO₂
- 468 g/mi
2005 Cadillac DeVille vs. rivals
Compare the 2005 DeVille
With any other car from any year, including other DeVille model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2005 Cadillac DeVille?
Up to 19 MPG combined (16 city / 24 highway); ratings range from 18 to 19 MPG depending on configuration.
What fuel does the 2005 Cadillac DeVille use?
Regular gasoline.
What is the fuel average in km/L for the 2005 Cadillac DeVille?
The 2005 Cadillac DeVille's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.8 km/L in the city and 10.2 km/L on the highway.
How much does it cost to fuel the 2005 Cadillac DeVille per year?
About $2,447 at 15,000 miles a year with $3.10/gal regular gas, or $16.32 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.