Photo: Wikimedia Commons (CC)
Every generation
Power
0–62 mph (0–100 km/h)
Top speed (210 km/h)
Combined, EPA 2005
What owners say
Our take, from owner reports
Sentiment is bifurcated by generation.
7 problems reported (2 very frequent, 5 recurrent) · high confidence
Problems owners report
- Very frequentNorthstar V8 Head Gasket Failure
Catastrophic failure leading to coolant loss, overheating, and engine damage. Very frequent in pre-2004 models.
- Very frequentNorthstar V8 Oil Leaks
Persistent leaks from multiple engine seals (e.g., front cover, oil pan, rear main seal).
- RecurrentEngine Mount Failure (Front)
Common failure leading to engine movement, clunking noises during shifts, and driveline vibration. Specifically noted on post-2000 models without torque struts.
+ 4 more issuesShow fewer
- RecurrentTransmission Issues
Delayed engagement ("takes a few seconds to start going forward"), slipping, failure to shift into higher gears (e.g., 4th), leading to overheating and fluid burning.
- RecurrentHigh Repair Costs
Parts and labor costs are described as extremely high, with one report noting costs in a non-U.S. market can be "up to 700% more" than for a mainstream Japanese car.
- RecurrentCooling System Problems
Overheating, often related to head gasket failure or other leaks. Smoke from burning coolant on hot engine parts noted.
- RecurrentComplex Serviceability
Engine bay is tightly packed (transverse V8 FWD), making repairs difficult and time-consuming. Mechanics may refuse work or charge premium rates.
The version owners recommend
For classic models, the 1966 DeVille is specifically mentioned for its 7.0L (430 cubic inch) V8 and imposing dimensions. For the problematic Northstar era, the 2004-2005 model years are identified as having the updated "coarse thread" head bolts which partially addressed the pervasive head gasket failure issue. A 2003-2004 model with the updated engine is noted as preferable. No specific trim level consensus exists.
Competitors to consider
Owners compare it most often with the Lincoln Town Car, Mercury Grand Marquis, Buick Park Avenue, Buick LeSabre and Cadillac Eldorado.
Is the DeVille right for you?
Get an answer for your year, mileage and budget.
Full owner reportHide full owner report
Overall sentiment
Sentiment is bifurcated by generation. For classic models (1950s-1970s), sentiment is overwhelmingly positive, characterized by nostalgic appreciation for their iconic styling, immense size, powerful V8 engines (notably the 472 and 500 cubic inch motors), and their status as symbols of American luxury. These are viewed as comfortable, torque-rich cruisers. For the later front-wheel-drive generations (1990s-2005), sentiment is sharply negative to cautious, dominated by severe and well-documented reliability concerns with the Northstar V8 engine, particularly head gasket failures and oil leaks. These later models are acknowledged for their comfort, smooth ride, and feature content when operational, but are widely regarded as financially risky due to high repair costs and complex service procedures. Satisfaction with these later cars is highly conditional on prior repair history or significant owner discounting.
Positioning vs competitors
Classic models (pre-1980s) are positioned as the pinnacle of American luxury land yachts, superior in size, power, and prestige to contemporary Lincoln and Imperial offerings. For the 1990s-2005 front-wheel-drive models, the DeVille is positioned as a more modern, technology-forward alternative to the body-on-frame Lincoln Town Car/Mercury Grand Marquis, trading simpler rear-wheel-drive robustness for a more car-like ride and advanced (but problematic) Northstar engine. The Town Car is consistently cited as a more reliable and durable competitor in the same segment. Buick models with the 3.8L V6 are highlighted as vastly more reliable and affordable to maintain, though less powerful and luxurious.
Recommended configurations
For a 1990s-2005 DeVille: Seek a 2004 or 2005 model year to maximize chances of having the updated head bolt design. Verify the engine code to confirm coarse thread bolts. A pre-purchase inspection by a specialist familiar with Northstar engines is considered mandatory. Budget for immediate and future repairs commensurate with the original luxury car price, not the current low purchase price. For winter driving, multiple owners attest to their exceptional capability in snow with good tires, despite being front-wheel drive.
General recommendations
Recommended only for experienced enthusiasts, mechanics, or those with a high tolerance for risk and repair costs. Suitable as a second vehicle or project car, not as a primary daily driver for someone on a tight budget. The value proposition is entirely in the initial low purchase price; ownership costs will be high. For a reliable, comfortable American sedan from this era, the Lincoln Town Car, Mercury Grand Marquis, or any Buick with the 3.8L V6 are strongly recommended as alternatives. For classic models, expect standard old-car maintenance and high fuel consumption, but generally robust mechanicals.
Remarks
The Northstar V8's reputation is the defining characteristic of 1990s-2005 DeVille ownership. The head gasket issue is so prevalent it spawned an independent repair industry. The problem is attributed to the original head bolt design and was partially remedied with a coarse-thread bolt update in the 2004-2005 model years. Even when running, these engines are known for pervasive oil leaks. Owner satisfaction with these cars is almost exclusively reported by those who acquired them at a deep discount and were prepared for the maintenance, or who successfully performed the head gasket repair themselves. The classic, rear-wheel-drive DeVilles are discussed in a separate context as collectible, simple, and robust vehicles, with their own era-appropriate concerns (fuel economy, size). Analysis based on approximately 24 substantive owner discussions and inquiries.
Generation by generation
Owner insights per generation and US complaint/recall records (NHTSA).
Complaints and recalls by model yearNo year grades F. Best year: 2005Source: NHTSA (US)Show table
Each year graded against the model's other years: Year Score.
| Year | Complaints | Recalls | Most-reported area |
|---|---|---|---|
| 2005 | 104 | 1 | electrical system |
| 2004 | 174 | 1 | electrical system |
| 2003 | 148 | 4 | electrical system |
| 2002 | 182 | 5 | electrical system |
| 2001 | 190 | 4 | electrical system |
| 2000 | 248 | 5 | electrical system |
| 1999 | 201 | 1 | air bags |
| 1998 | 266 | 3 | exterior lighting |
| 1997 | 306 | 2 | service brakes |
| 1996 | 253 | 2 | steering |
Complaint counts come from owner reports filed with the US National Highway Traffic Safety Administration. Higher-selling years naturally accumulate more complaints.
Recall notices28 on record · Source: NHTSA (US)Show recalls
2005 · electrical system:ignitioncampaign 14V355000
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.
2004 · electrical system:ignitioncampaign 14V355000
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.
2003 · electrical system:ignitioncampaign 14V355000
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.
2003 · air bags:frontalcampaign 02V222000
CERTAIN PASSENGER, MINI VANS, AND SPORT UTILITY VEHICLES HAVE AN AIR BAG INFLATOR ON THE DRIVER'S SIDE THAT COULD FRACTURE AT A WELD DURING A DEPLOYMENT.
2003 · air bags:frontal:driver side:inflator modulecampaign 03V051000
ON CERTAIN MINI VANS, PASSENGER AND SPORT UTILITY VEHICLES, SOME OF THESE VEHICLES HAVE A DRIVER'S SIDE AIR BAG THAT MAY NOT DEPLOY AS DESIGNED. IN ADDITION, THE AIR BAG INFLATOR COULD RUPTURE.
2003 · fuel system, gasoline:storage:tank assemblycampaign 03V238000
ON CERTAIN CADILLAC DEVILLE AND SEVILLE PASSENGER VEHICLES, FUNERAL COACHES, AND LIMOUSINES EQUIPPED WITH A V8 (4.6L) ENGINE, OLDSMOBILE AURORA PASSENGER VEHICLES EQUIPPED WITH A V8 (4.0L ) ENGINE, AND PONTIAC BONNEVILLE SSEI PASSENGER VEHICLES EQUIPPED WITH A SUPERCHARGED V6 (3.8L) ENGINE, THE FUEL TANK PRESSURE SENSORS ARE UNUSUALLY SUSCEPTIBLE TO MALFUNCTIONS. IF THE SENSOR MALFUNCTIONS, EXCESSIVE VACUUM CAN BE APPLIED DURING SELF-DIAGNOSTIC TESTING.
2002 · electrical system:ignitioncampaign 14V355000
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.
2002 · steering:gear box (other than rack and pinion)campaign 02V067000
CERTAIN PASSENGER VEHICLES WERE BUILT WITH MISSING OR UNDER-TORQUED STEERING GEAR ATTACHMENT BOLTS. IF A BOLT IS MISSING, THE DRIVER MAY NOTICE UNEVEN STEERING RESPONSE OR UNUSUAL NOISES DURING TURNS.
2002 · fuel system, gasoline:storage:tank assemblycampaign 03V238000
ON CERTAIN CADILLAC DEVILLE AND SEVILLE PASSENGER VEHICLES, FUNERAL COACHES, AND LIMOUSINES EQUIPPED WITH A V8 (4.6L) ENGINE, OLDSMOBILE AURORA PASSENGER VEHICLES EQUIPPED WITH A V8 (4.0L ) ENGINE, AND PONTIAC BONNEVILLE SSEI PASSENGER VEHICLES EQUIPPED WITH A SUPERCHARGED V6 (3.8L) ENGINE, THE FUEL TANK PRESSURE SENSORS ARE UNUSUALLY SUSCEPTIBLE TO MALFUNCTIONS. IF THE SENSOR MALFUNCTIONS, EXCESSIVE VACUUM CAN BE APPLIED DURING SELF-DIAGNOSTIC TESTING.
2002 · air bags:frontalcampaign 02V222000
CERTAIN PASSENGER, MINI VANS, AND SPORT UTILITY VEHICLES HAVE AN AIR BAG INFLATOR ON THE DRIVER'S SIDE THAT COULD FRACTURE AT A WELD DURING A DEPLOYMENT.
2002 · seat belts:front:retractorcampaign 02V227000
CERTAIN PASSENGER VEHICLES CONTAIN DRIVER AND FRONT PASSENGER LAP AND/OR SHOULDER BELT RETRACTORS THAT MAY NOT REMAIN LOCKED UP AS DESIGNED DURING A CRASH IN WHICH THE BELT PRETENSIONERS DEPLOY.
2001 · electrical system:ignitioncampaign 14V355000
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.
2001 · seat belts:front:buckle assemblycampaign 00V347000
VEHICLE DESCRIPTION: PASSENGER VEHICLES, HEARSE, AND LIMOUSINES. SOME OF THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 209, "SEAT BELT ASSEMBLIES." THESE VEHICLES HAVE SEAT BELTS THAT MAY NOT MEET THE 30-POUND PUSH BUTTON RELEASE EFFORT REQUIREMENT OF THE STANDARD.
2001 · seat belts:front:retractorcampaign 02V227000
CERTAIN PASSENGER VEHICLES CONTAIN DRIVER AND FRONT PASSENGER LAP AND/OR SHOULDER BELT RETRACTORS THAT MAY NOT REMAIN LOCKED UP AS DESIGNED DURING A CRASH IN WHICH THE BELT PRETENSIONERS DEPLOY.
2001 · structure:bodycampaign 01V172000
VEHICLE DESCRIPTION: CERTAIN SEDANS, HEARSE, AND LIMOUSINE VEHICLES FAIL TO COMPLY WITH REQUIREMENTS OF FMVSS NO. 201, "OCCUPANT PROTECTION IN INTERIOR IMPACT." THESE VEHICLES HAVE SUNVISOR CENTER SUPPORTS WITH CERTAIN RADII LESS THAN THE 3.2MM REQUIRED BY THE STANDARD.
13 older recalls not shown. Check nhtsa.gov with your VIN for the full history.
Specifications
Enthusiast code: EL12
4.6 i V8 32V DTS
4.6L 8-cylinder · 304 hp · FWD · automatic
Built 1999–2006