1991 Mercury Grand Marquis

▲ Better than typical
1991 Mercury Grand Marquis
RENDERED 2026-09-16T18:04:10.182Z

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.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, Mercury Grand Marquis Bar chart of distinct NHTSA complaints filed per model year, 1991 highlighted. 1981: 2 complaints 1981 1982: 3 complaints 1983: 7 complaints 1984: 15 complaints 1985: 21 complaints 1985 1986: 21 complaints 1987: 47 complaints 1988: 73 complaints 1989: 58 complaints 1989 1990: 58 complaints 1991: 82 complaints 1991 1992: 260 complaints 1993: 147 complaints 1993 1994: 161 complaints 1995: 179 complaints 1996: 239 complaints 1997: 316 complaints 1997 1998: 143 complaints 1999: 164 complaints 2000: 162 complaints 2001: 157 complaints 2001 2002: 78 complaints 2003: 362 complaints 2004: 347 complaints 2005: 487 complaints 2005 2006: 143 complaints 2007: 96 complaints 2008: 78 complaints 2009: 26 complaints 2009 2010: 24 complaints 2011: 9 complaints 2011
1991: 82 complaints
View as data table
YearComplaints
19800
19812
19823
19837
198415
198521
198621
198747
198873
198958
199058
199182
1992260
1993147
1994161
1995179
1996239
1997316
1998143
1999164
2000162
2001157
200278
2003362
2004347
2005487
2006143
200796
200878
200926
201024
20119

KNOWN PROBLEM AREAS

Percentages can add to more than 100% -- a complaint can name more than one system.

ELECTRICAL SYSTEM 27%

27% of complaints: electrical system — 22 distinct reports on file, most commonly citing alternator/generator/regulator and wiring.

FIRE
Show 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

SERVICE BRAKES 16%

16% of complaints: service brakes — 13 distinct reports on file, most commonly citing hydraulic.

VEHICLE SPEED CONTROL 15%

15% of complaints: vehicle speed control — 12 distinct reports on file, most commonly citing cables and linkages.

CRASH INJURY
AIR BAGS 15%

15% of complaints: air bags — 12 distinct reports on file, most commonly citing frontal and sensor/control module.

CRASH INJURY
Show complaint excerpts

UPON FRONTAL IMPACT, AIR BAG DEPLOYED BUT FAILED TO INFLATE. PLEASE DESCRIBE DETAILS. TT

NHTSA ODI report, 19950912

ENGINE AND ENGINE COOLING 13%

13% of complaints: engine and engine cooling — 11 distinct reports on file, most commonly citing gasoline and engine.

FIRE

SAFETY TIMELINE

R 19901105 — air bags

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

R 19910722 — power train

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

I 19910911 — PE (closed 19920115)

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

▲ 1987 ▲ 1990 ▲ 1989

WORST YEARS

■ 2005 ■ 2003 ■ 2004

See all years ranked →

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.