1991 Mercury Grand Marquis
This year had at least 30% fewer complaints than this model's typical year.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1980 | 0 |
| 1981 | 2 |
| 1982 | 3 |
| 1983 | 7 |
| 1984 | 15 |
| 1985 | 21 |
| 1986 | 21 |
| 1987 | 47 |
| 1988 | 73 |
| 1989 | 58 |
| 1990 | 58 |
| 1991 | 82 |
| 1992 | 260 |
| 1993 | 147 |
| 1994 | 161 |
| 1995 | 179 |
| 1996 | 239 |
| 1997 | 316 |
| 1998 | 143 |
| 1999 | 164 |
| 2000 | 162 |
| 2001 | 157 |
| 2002 | 78 |
| 2003 | 362 |
| 2004 | 347 |
| 2005 | 487 |
| 2006 | 143 |
| 2007 | 96 |
| 2008 | 78 |
| 2009 | 26 |
| 2010 | 24 |
| 2011 | 9 |
KNOWN PROBLEM AREAS
Percentages can add to more than 100% -- a complaint can name more than one system.
27% of complaints: electrical system — 22 distinct reports on file, most commonly citing alternator/generator/regulator and wiring.
FIREShow complaint excerpts
ALTERNATOR SPONTANEOUSLY CAUGHT ON FIRE AFTER THE CAR WAS STOPPED AND TURNED OFF. *JB
NHTSA ODI report, 20040229
AFTER PARKING VEHICLE IN DRIVEWAY CONSUMER WAS EMPTYING THE TRUNK AND NOTICED SMOKE COMING FROM UNDER THE HOOD. A FIRE SOON ERUPTED FROM THE PASSENGER'S SIDE UNDER THE HOOD, AND WAS QUICKLY EXTINGUISHED.
NHTSA ODI report, 20030815
SMOKE STARTED COMING FROM HOOD, ALTENATOR PLUG FAILED RESULTING IN ALTERNATOR CATCHING FIRE. KT
NHTSA ODI report, 19950828
16% of complaints: service brakes — 13 distinct reports on file, most commonly citing hydraulic.
15% of complaints: vehicle speed control — 12 distinct reports on file, most commonly citing cables and linkages.
CRASH INJURY15% of complaints: air bags — 12 distinct reports on file, most commonly citing frontal and sensor/control module.
CRASH INJURYShow complaint excerpts
UPON FRONTAL IMPACT, AIR BAG DEPLOYED BUT FAILED TO INFLATE. PLEASE DESCRIBE DETAILS. TT
NHTSA ODI report, 19950912
13% of complaints: engine and engine cooling — 11 distinct reports on file, most commonly citing gasoline and engine.
FIRESAFETY TIMELINE
THREADED INFLATOR COMPONENTS MAY HAVE BEEN DAMAGED DURING ASSEMBLY WHICH MAY ALLOW COMPONENTS TO SEPARATE WHEN INFLATOR RECEIVES A SIGNAL TO DEPLOY THE AIR BAG.
Remedy: REPLACE AIR BAG MODULES CONTAINING POTENTIALLY DEFECTIVE INFLATORS.
Campaign 90E043001 — check if this car was fixed
THE PARK ROD ASSEMBLY CONTAINS A PARK CAM WITH INADEQUATE SURFACE HARDNESS, WHICH COULD LEAD TO PARK DISENGAGEMENT OR NO PARK ENGAGEMENT WHEN THE LEVER IS PLACED IN PARK.
Remedy: REPLACE PARK ROD ASSEMBLY ON AUTOMATIC TRANSMISSIONS.
Campaign 91V048000 — check if this car was fixed
BRAKE LINE PUNCTURES
BUY-SMART CHECKLIST
1991 Mercury Grand Marquis — pre-purchase inspection
- Test/inspect for electrical system issues (22 reports on file for this year).
- Test/inspect for service brakes issues (13 reports on file for this year).
- Test/inspect for vehicle speed control issues (12 reports on file for this year).
- Verify recall 90E043001 (air bags) has been completed.
- Verify recall 91V048000 (power train) has been completed.
OTHER YEARS OF THIS MODEL
BEST YEARS
WORST YEARS
FAQ
Is the 1991 Mercury Grand Marquis reliable?
Based on NHTSA complaint volume compared to this model's typical year, the 1991 Mercury Grand Marquis is rated "better than typical".
What are the most common problems with the 1991 Mercury Grand Marquis?
The most-reported component is electrical system, accounting for 27% of complaints on file.
How many recalls does the 1991 Mercury Grand Marquis have?
2 recalls on file for this model year.
Data updated 2026-09-16 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.