2005 Cadillac DeVille

Full-Size Sedan Regular
Cadillac DeVille 2005
19MPG Combined
2 Trims
← 2004 2005
Updated February 27, 2026

The 2005 Cadillac DeVille Full-Size Sedan provides 18–19 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2005 Cadillac DeVille Specifications

SpecValue
Combined MPG18–19 combined MPG depending on trim
City MPG16
Highway MPG24
Body StyleFull-Size Sedan
Fuel TypeRegular
DriveFWD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto15/22/184.6L 8cylAutomatic 4-spd
Auto16/24/194.6L 8cylAutomatic 4-spd

Annual Fuel Cost

Based on EPA estimates, the 2005 Cadillac DeVille costs approximately $2,375 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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