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Research · Large Cars

2005 Cadillac DevilleRecalls, problems, MPG & safety

NHTSA lists 1 safety recall and 104 owner complaints for the 2005 Cadillac Deville. Most complaints involve electrical system (35) and steering (32). The EPA rates it 18–19 mpg combined.

Check a VINAdd to my garage
Combined MPG
18–19mpg
EPA · 2 versions
NHTSA overall
—
Not rated by NCAP
Safety recalls
1campaigns
Latest Jun 2014
Owner complaints
104
Top: electrical system
Fuel cost / yr
$3,400est.
EPA estimate, best version
01 —Recalls

Safety recalls

1 NHTSA campaign · applies to some vehicles, check your VIN

Electrical system: ignition

Free remedy

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, 2006-2011 Cadillac DTS, 2006-2014 Chevrolet Impala, and 2006-2007 Chevrolet Monte Carlo vehicles. In the affected vehicles, the weight on the key ring and road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.

Electrical systemReported Jun 23, 2014NHTSA 14V355000
Data from NHTSA Recalls API · synced Oct 30, 2026 · All recall detailsNHTSA vehicle page
02 —Complaints

Owner complaints by component

104 complaints filed with NHTSA · Oct 2005 – Jan 2019
  1. Electrical system35
  2. Steering32
  3. Air bags19
  4. Engine11
  5. Service brakes5
  6. Exterior lighting4
  7. Visibility4
  8. Power train4
  9. Engine and engine cooling3

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

By model year

Complaints for each Deville model year we’ve synced.

View as table
Model yearNHTSA complaints
1996225
1997280
1998242
1999192
2000237
2001177
2002182
2003148
2004174
2005104
Crashes reported
10
Fires reported
1
Injuries reported
14
Deaths reported
0
Data from NHTSA Complaints API · synced Oct 30, 2026 · Full problem breakdownNHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Electrical system

35 reports2 crashes1 fire
“MY A/C RUNS AT WILL. OFF AND ON BY ITSELF. RUNNING, STATIONARY, AND IN MOTION. MY HEADLIGHTS COME ON WHEN I PUT THE CAR IN DRIVE EVER THOUGH THEY ARE TURNED OFF. MY ALTERNATOR WAS REPLACED AND THE BATTERY AND ALL CHECKED OUT FINE AT TWO LOCAL PARTS /BATTERY STORES JULY 18TH 2017. BOTH WERE REPLACED IN MAY OF 2016. THE DISPLAY PANEL FOR THE A/C SHOWS BOTH THE FAN ICON AND THE AUTO ICON. THE AUTO ICON WILL NOT TURN OFF. SEARCHING ON LINE FOR COMPLAINTS ABOUT THIS MAKE AND MODEL SHOW MANY OTHERS WITH THIS PROBLEM AND NO ANSWERS. THIS BEGAN JULY 6TH AND IS HAPPENING MORE FREQUENTLY AS IN SEVERAL TIMES A DAY.”
Owner complaint to NHTSAFiled Jul 19, 2017Electrical systemODI 11006296

Steering

32 reports2 crashes
“TL* THE CONTACT OWNS A 2005 CADILLAC DEVILLE. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 25 MPH AND ATTEMPTED TO MAKE A TURN, THE STEERING WHEEL LOCKED. NO WARNING INDICATORS ILLUMINATED. THE CONTACT MENTIONED THAT THE FAILURE PROGRESSED. THE CONTACT HAD TO SHUT THE VEHICLE OFF AND RESTART IN ORDER TO MAKE THE TURN. THE DEALER OR AN INDEPENDENT MECHANIC DID NOT DIAGNOSE THE VEHICLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 105,000.”
Owner complaint to NHTSAFiled Aug 31, 2017SteeringODI 11020729

Air bags

19 reports8 crashes
“TL* THE CONTACT OWNS A 2005 CADILLAC DTS. WHILE DRIVING APPROXIMATELY 75 MPH, THE FRONT PASSENGER AIR BAG DEPLOYED WITHOUT WARNING OR IMPACT. A SLIGHT MUSTY ODOR WAS PRESENT DUE TO THE AIR BAG DEPLOYMENT AND ALL THE WARNING INDICATORS ON THE INSTRUMENT PANEL ILLUMINATED. THE CONTACT SUSTAINED INJURIES, WHICH DID NOT REQUIRE MEDICAL ATTENTION. THE CONTACT DROVE TO AN UNKNOWN CADILLAC DEALER LOCATED IN STUART, FL, WHO STATED THAT NOTHING COULD BE DONE ABOUT THE AIR BAG BECAUSE IT WOULD BE A LONG PROCESS. THE CONTACT THEN TOOK THE VEHICLE TO CLAUDE NOLAN CADILLAC (LOCATED ON SOUTHSIDE BLVD, JACKSONVILLE, FL) AND WAS INFORMED TO CONTACT THE MANUFACTURER BECAUSE THEY HAD NEVER SEEN AN AIR BAG DEPLOY WITHOUT A CRASH. THE CONTACT CALLED THE MANUFACTURER AND WAS INFORMED TO TAKE THE VEHICLE BACK TO CLAUDE NOLAN CADILLAC WHERE IT WAS DIAGNOSED THAT THERE WAS DAMAGE TO THE UNDERCARRIAGE AND THAT SOMETHING MUST HAVE SET OFF THE AIR BAG. THE MANUFACTURER WOULD NOT REPAIR THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS INVALID. THE APPROXIMATE FAILURE MILEAGE WAS 93,000. UPDATED 11/07/17*LJ *TR”
Owner complaint to NHTSAFiled Aug 18, 2017Air bagsODI 11016151
All 2005 Deville problemsSend a problem to a mechanic on findmechanic.ai
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026
04 —Key specs

Engines, transmissions & drive

2 versions rated by the EPA
EPA class
Large Cars
Engines
4.6L 8-cyl
Transmissions
Automatic 4-spd
Drive
Front-Wheel Drive
Fuel
Regular Gasoline

Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.

Data from EPA fueleconomy.gov · synced Oct 30, 2026EPA listing
05 —Fuel economy

EPA fuel economy by version

City / highway / combined, annual fuel cost and CO₂
EPA
VersionCityHwyComb.Fuel / yrCO₂ g/mi
DeVille
Auto 4-spd, 8 cyl, 4.6 L, 300HP · Front-Wheel Drive
162419$3,400468
DeVille
Auto 4-spd, 8 cyl, 4.6 L, 275HP · Front-Wheel Drive
152218$3,550494
  • DeVille
    Auto 4-spd, 8 cyl, 4.6 L, 300HP
    16 city · 24 hwy · $3,400/yr
    19
    mpg comb.
  • DeVille
    Auto 4-spd, 8 cyl, 4.6 L, 275HP
    15 city · 22 hwy · $3,550/yr
    18
    mpg comb.
Estimate your fuel costCost of ownership
Data from EPA fueleconomy.gov · synced Oct 30, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
06 —Safety

NHTSA 5-Star Safety Ratings

1 tested variant
NHTSA has not published 5-Star Safety Ratings for the 2005 Cadillac Deville as of Oct 30, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Oct 30, 2026Vehicle 1502
07 —Maintenance

Maintenance basics

General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
ItemMilesTimeNote
Engine oil & filter5,000–10,000 mi6–12 monthsFollow the oil-life monitor if fitted
Tire rotation5,000–7,500 miEvery oil changeCheck pressure monthly
Engine air filter15,000–30,000 mi1–2 yearsSooner in dusty areas
Cabin air filter15,000–25,000 mi1–2 years
Brake fluid—2–3 yearsAbsorbs moisture over time
Coolant60,000–100,000 mi5–10 yearsLong-life coolants last longer
Spark plugs60,000–100,000 mi—Iridium/platinum plugs at the long end
12V battery—3–5 yearsHeat shortens battery life
  • Engine oil & filter5,000–10,000 mi
    6–12 months
  • Tire rotation5,000–7,500 mi
    Every oil change
  • Engine air filter15,000–30,000 mi
    1–2 years
  • Cabin air filter15,000–25,000 mi
    1–2 years
  • Brake fluid—
    2–3 years
  • Coolant60,000–100,000 mi
    5–10 years
  • Spark plugs60,000–100,000 mi
    —
  • 12V battery—
    3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
09 —FAQ

2005 Deville questions

How many recalls does the 2005 Cadillac Deville have?

1 safety recall as of Oct 30, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.

What are the most common 2005 Cadillac Deville problems?

Owners filed 104 complaints with NHTSA. The most-cited components are electrical system (35), steering (32), air bags (19). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

What MPG does the 2005 Cadillac Deville get?

The EPA rates the 2005 Cadillac Deville at 18–19 mpg combined, depending on engine and drivetrain (2 versions rated).

Data from NHTSA & EPA · synced Oct 30, 2026