- Newest year: 2005
- Gas
- Large cars
- Same as 2004
2004-2005 Cadillac Armored Deville MPG & Fuel Cost
2 model years · 15 MPG combined
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 3 of 10 large car configurations, MY2005. Ranked against all rated configurations, not sales-weighted.
2004-2005 Cadillac Armored Deville at a glance
The 2004-2005 Cadillac Armored Deville covers 2 model years in the EPA database (2 configurations in all), rated 15 MPG combined. The newest model year, 2005, costs about $4,360 a year to fuel for its most efficient version, the Armored Deville 4.6L 8-cyl FWD (15 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA lists identical ratings for every model year of this generation.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2004-2005 Cadillac Armored Deville by model year
What the 2005 Armored Deville 4.6L 8-cyl FWD costs to drive
Per month
$363
$4,360 a year ÷ 12
Per 25 miles
$7.27
Per 100 miles
$29.07
Five years
$21,800
5 × the yearly cost, prices held at today's level
vs the large car median
$280more a year
Class median $4,080 a year, MY2005
Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).
2005 Cadillac Armored Deville MPG
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
EPA lists the same ratings for the 2005 Cadillac Armored Deville as for the 2004 model, so the configurations and costs are the ones in the 2004 section above.See 2004
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Armored Deville (Most efficient) | 4.6L 8-cyl | FWD | 13 | 18 | 15 | $4,360 |
2004 Cadillac Armored Deville MPG
15 MPG · $4,360/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Armored Deville (Most efficient) | 4.6L 8-cyl | FWD | 13 | 18 | 15 | $4,360 |
Fuel cost by state
Yearly cost of the Armored Deville 4.6L 8-cyl FWD: $5,920 in California and $3,800 in Texas, a $2,120 difference.
- California $5,920
- Washington $5,490
- New York $4,360
- Florida $4,120
- Texas $3,800
Similar cars
Closest combined MPG among MY2005 large car models.
Generations
- 2004-2005
Frequently asked questions
What gas mileage does the 2004-2005 Cadillac Armored Deville get?
EPA rates the 2004-2005 Cadillac Armored Deville at 15 MPG combined across 2 configurations and 2 model years. The most efficient version, the 2005 Armored Deville 4.6L 8-cyl FWD, is rated 15 MPG (13 city, 18 highway).
Which years had the best MPG in the 2004-2005 Cadillac Armored Deville?
Every model year of the 2004-2005 Cadillac Armored Deville tops out at 15 MPG combined, so no year is better than another.
Did EPA ratings change during the 2004-2005 Cadillac Armored Deville?
No. EPA lists the same ratings for every model year from 2004 to 2005.
How much does it cost to fuel a 2005 Cadillac Armored Deville per year?
Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Armored Deville 4.6L 8-cyl FWD costs about $4,360 a year. Across all 1 configuration the cost runs $4,360 a year.
How much does it cost to drive a 2005 Cadillac Armored Deville 100 miles?
About $29.07 per 100 miles for the Armored Deville 4.6L 8-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2005 Cadillac Armored Deville more efficient in the city or on the highway?
The Armored Deville 4.6L 8-cyl FWD is rated 13 city and 18 highway MPG, so it is more efficient on the highway, by 5 MPG.
How does the 2005 Cadillac Armored Deville compare with other large car configurations?
The Armored Deville 4.6L 8-cyl FWD costs about $4,360 a year to fuel, $280 more than the class median of $4,080, and less than 3 of 10 large car configurations. The comparison covers all 56 rated large car configurations for MY2005, not weighted by sales.
Is the 2005 Cadillac Armored Deville different from the 2004 model?
No. EPA lists the same ratings for 2004 and 2005: 1 configuration rated 15 MPG combined. See the 2004 Cadillac Armored Deville for that year.