"How reliable is the 2005 Cadillac Deville?"

"Based on 132 NHTSA complaints, the 2005 Cadillac Deville has a median complaint mileage of 80000 miles. The most common issue is Electrical System."

"What are common problems with the 2005 Cadillac Deville?"

"The most frequently reported component in NHTSA complaints for the 2005 Cadillac Deville is Electrical System, accounting for a significant portion of the 132 total complaints filed."

2005 Cadillac Deville: Reliability Data

Source: NHTSA — 132 complaints

132

Total Complaints

80,000mi

Median Mileage

Electrical System

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

48,500 25th Percentile

80,000 Median Mileage

111,808 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Electrical System

Steering

Air Bags

Engine

Service Brakes

Seats

Power Window Devices And Controls

Tires

Engine And Engine Cooling

Wheels

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"WITHIN THE LAST TWO MONTHS, WHILE DRIVING AT NIGHT ON A SOMEWHAT CROWDED INTERSTATE, I FOUND MYSELF DRIVING BEHIND A NEWER MODEL OF CADILLAC WITH A NEW TYPE OF TAIL LIGHT/BRAKE LIGHT (POSSIBLY LEDS). MY FOLLOWING DISTANCE WAS ABOUT 30 FEET AT TIMES. THIS NEW TYPE OF LIGHT PROVED TO BE VERY DISTRACT..."

"DT: CONTACT STATES WHEN HE MOVES HIS FOOT FROM THE GAS PEDAL TO THE BRAKE PEDAL, HIS FOOT HITS THE CONSOLE PANEL, CAUSING A DELAY IN BRAKING FOR A FRACTION OF A SECOND. THE DEALER OFFERED TO ADJUST THE PLACEMENT OF THE CONSOLE PANEL. *AK UPDATED 12/27/05. *JB"

"DT: THE CONTACT STATED WHILE DRIVING AT NIGHT APPLIED THE RIGHT TURN SIGNAL SWITCH AND EXPERIENCED TOTAL LOSS OF THE EXTERIOR HEADLIGHTS. WHEN DISENGAGING THE TURN SIGNAL SWITCH THE HEADLIGHTS CAME BACK ON. HE TESTED THIS SEVERAL TIMES, AND EACH TIME THAT HE ENGAGED THE TURN SIGNALS THE HEADLIGH..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Electrical System 32 complaints

25th: 67,746 mi Median: 98,000 mi 75th: 151,250 mi

Steering 28 complaints

25th: 55,822 mi Median: 78,000 mi 75th: 97,875 mi

Air Bags 17 complaints

25th: 47,250 mi Median: 80,000 mi 75th: 110,904 mi

Engine 10 complaints

25th: 53,500 mi Median: 108,000 mi 75th: 153,750 mi

Service Brakes 5 complaints

25th: 97,000 mi Median: 114,979 mi 75th: 117,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

FL: 20 UT: 9 TX: 8 TN: 7 IN: 7 NY: 7 MD: 6 CA: 6 IL: 6 CO: 6

Who Files Complaints?

2.3%

Original Owners

97.7%

Second+ Owners

Cadillac Deville — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1990	111	100,000	Vehicle Speed Control	14
1991	105	105,000	Antilock/Traction Control/Electronic Limited Slip	9
1992	181	109,000	Tank Assembly	17
1993	123	126,554	Antilock/Traction Control/Electronic Limited Slip	13
1994	185	88,690	Engine	12
1995	197	103,000	Gasoline	7
1996	281	89,000	Hydraulic Power Assist System	14
1997	339	82,000	Antilock/Traction Control/Electronic Limited Slip	5
1998	310	73,000	Headlights	19
1999	239	65,000	Side/Window	19
2000	312	65,000	Electrical System	54
2001	239	78,000	Electrical System	30
2002	237	63,500	Electrical System	30
2003	208	68,500	Electrical System	21
2004	210	68,872	Electrical System	17

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28