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2005 Cadillac DeVille

US · Large Cars

The 2005 Cadillac DeVille is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine
Varies by configuration: 4.6L 8-cylinder (275HP), 4.6L 8-cylinder (300HP)
Transmission
4-speed automatic
Drivetrain
FWD
Fuel
Gasoline
Economy
18 mpg (13.1 L/100 km) to 19 mpg (12.4 L/100 km) combined
Generic outline for this body type. An illustration, not a photograph.
Specifications at a Glance

Key Figures

Units:
Engine / Powertrain
4.6L 8-cylinder (275HP), 4.6L 8-cylinder (300HP)
Combined Economy
18 mpg (13.1 L/100 km) to 19 mpg (12.4 L/100 km) combined
Drivetrain
FWD
Transmission
4-speed automatic
Market: US·Switch units to convert the figures shown.
Compare 2005 Cadillac DeVille ↗

Engine

Engine
SpecificationValueSource
EngineVaries by configuration: 4.6L 8-cylinder (275HP), 4.6L 8-cylinder (300HP)
Displacement4.6 L
Cylinders8
Fuel typeGasoline

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears4
DrivetrainFWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined18 mpg (13.1 L/100 km) to 19 mpg (12.4 L/100 km)
City15 mpg (15.7 L/100 km) to 16 mpg (14.7 L/100 km)
Highway22 mpg (10.7 L/100 km) to 24 mpg (9.8 L/100 km)

Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.

Trims and configurations

2 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 1 recall campaign for this model year. Last checked November 10, 2026.

  • 14V355000: ELECTRICAL SYSTEM:IGNITION

    This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) is recalling certain model year 2005-2009 Buick LaCrosse, 2006-2011 Buick Lucerne, 2000-2005 Cadillac DeVille,…

    Remedy: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 23, 2014. Owners may contact General Motors…

    Reported June 23, 2014. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved November 8, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 17, 2026 · US Government public data

Source checked: November 8, 2026

Data verified: November 8, 2026

Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

Related vehicles

  • Varies by configuration: 4.6L 8-cylinder, 4.6L 8-cylinder (STS/DTS) · FWD
    19 mpg (12.4 L/100 km)

Frequently asked questions

What engine does the 2005 Cadillac DeVille have?

Varies by configuration: 4.6L 8-cylinder (275HP), 4.6L 8-cylinder (300HP). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2005 Cadillac DeVille?

Combined fuel economy is 18 mpg (13.1 L/100 km) to 19 mpg (12.4 L/100 km), as published by the source shown in the specification table.

Is the 2005 Cadillac DeVille front-wheel, rear-wheel or all-wheel drive?

Drivetrain: FWD.

Are there recalls for the 2005 Cadillac DeVille?

NHTSA lists 1 recall campaign for this model year (last checked November 10, 2026). Details are in the Recalls section.