1993 Cadillac Allante: common problems
Owners of the 1993 Cadillac Allante filed 9 complaints with NHTSA, most often about electrical system and engine and cooling. Details by component below, with sources.
Key figures
- Owner complaints
- 9
- involving a crash
- 1
What fails most often
- 1 Electrical system 33% of all complaints
- 2 Engine and cooling 11% of all complaints
- 3 Equipment 11% of all complaints
- 4 Exterior lighting 11% of all complaints
- 5 Service brakes 11% of all complaints
- 6 Structure 11% of all complaints
- Electrical system: 3 complaints (33% of all).
- Engine and cooling: 1 complaints (11% of all).
- Equipment: 1 complaints (11% of all).
- Exterior lighting: 1 complaints (11% of all).
- Service brakes: 1 complaints (11% of all), 1 of them with a crash reported by the owner.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 4.6 L · petrol · 8 cyl
- automatic, 4-speed
Drive: FWD
Symptoms owners describe
How many of the 9 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 3 | 0 | 0 |
| Engine and cooling | 1 | 0 | 0 |
| Equipment | 1 | 0 | 0 |
| Exterior lighting | 1 | 0 | 0 |
| Service brakes | 1 | 1 | 0 |
| Structure | 1 | 0 | 0 |
| Other | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The dealer could not find a solution for the current brake failures. The consumer says the vehicle was dangerous to drive.
The contact stated that while driving 35 mph, an abnormal noise was emitted from the vehicle as the contact noticed smoke coming from under the hood. The contact took the vehicle to a repair shop for inspection where they advised that the air compressor needed to be replaced. The vehicle was not repaired.
1993 allante caught fire in the right front area, behind the headlight. Vehicle was a total loss account no replacement parts available per state farm ins co. Damage appeared slight, just burnt wires and connectors and relays. Fire was put out with garden hose. Similar occurrence to mr kit bonham jun 03.
When the signal lights are turned on in the vehicle they can be seen externally, but can not be detected internally. The dash indicator light is to faint to be seen nor can the clicking sound be heard. At night the dash indicator is visible.
While starting vehicle in a parking lot, billows of white smoke came from tail pipe. Dealership informed consumer that engine cylinders were leaking anti-freeze.
About 2 am while my car was in my locked garage the horn went off. I investigated and when I pushed on the horn pad it stopped. Went back to bed. An hour or so later it went off again. This time when I opened the car door it stopped.
While driving the convertible top flew off unexpectedly, striking the driver,and may have caused accidents/injuries. Also, happened to consumer of 1991 allante. Common problem, even have a web site for these convertible top problems at allante.
Vehicle caught on fire due to an electrical wire dangling over exhaust manifold, resulting in an injury (attorney for client).
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 11,366 of 36,656 model years in the NHTSA data (top 31% most complained about).
On average one model year of the Allante has 25 complaints (8 years in the data). This year has 9, below average.
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Other years of this model
Questions and answers
What are the most common problems with the 1993 Cadillac Allante?
Owner complaints to NHTSA most often mention: electrical system, engine and cooling, equipment. Total complaints: 9. The most frequent symptoms in complaint texts: smoke, burning smell, fire (44%), brake failure (11%), A/C or heater (11%).
How many service bulletins (TSB) were issued for the 1993 Cadillac Allante?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1993 Cadillac Allante from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1993 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.