1985 Mercury Grand Marquis Problems
- Complaints
- 21filed with NHTSA
- Median mileage
- 87,000miles, 1 complaints with mileage
- Recalls
- 0campaigns on record
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
- NHTSA crash rating
- —overall rating starts with 2011 models
- EPA fuel economy
- 17 mpgcombined, 5.0L 8-cyl RWD · 14 city / 22 hwy
Sources: NHTSA records for the 1985 Mercury Grand Marquis (complaints, recalls, investigations), EPA fuel economy. Report an error
NHTSA recorded 21 consumer complaints for the 1985 Mercury Grand Marquis. The part named most often is electrical system, with 11 complaints (52% of the total), followed by vehicle speed control (4) and engine cooling (3). 1 of the complaints include a mileage, and 0% of those were filed for vehicles with under 50,000 miles; the median is 87,000 miles. Of all complaints, 8 a fire, according to the filers. NHTSA lists 0 recall campaigns and 0 technical service bulletins for this model year.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system11 52%
- Engine cooling3 14%
- Equipment2 9.5%
- Fuel system2 9.5%
- Engine1 4.8%
- Body and structure1 4.8%
- Tires1 4.8%
Example complaints
Vehicle speed control: “Vehicle has low power, stalls, always on high idle when started, transmission jerks, checked with dealer and they have no information on recalls although your data base shows numerous recalls concerning these problems. I purchased this vehicle from my father. He has never received a notice of any of the recalls. How can I go about getting these vehicle problems corrected?”
NHTSA complaint #759772, filed 2002-03Engine cooling: “When engine gets hot vheicle will stall, consumer must wait until it cools down to restart. Vehicle has been taken to dealer and mechanic several times, but cause is still unknown.”
NHTSA complaint #871037, filed 2000-09Mileage when problems were reported
0% of the 1 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 87,000 and 87,000 miles.
Complaints by year filed
Trend: stable. Complaints filed in the last 3 full calendar years are within 25% of the 3 years before.
Fuel economy and running cost
EPA ratings for each 1985 Mercury Grand Marquis version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| Grand Marquis RWD | 5.0L 8-cyl | 4-speed automatic | 14 | 22 | 17 | $3,950 |
| Grand Marquis Wagon RWD | 5.0L 8-cyl | 4-speed automatic | 14 | 22 | 17 | $3,950 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
NHTSA lists no recall campaigns for the 1985 Mercury Grand Marquis in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.
Technical service bulletins
No technical service bulletins are on record for the 1985 Mercury Grand Marquis.
Other model years of the Mercury Grand Marquis
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2011 | 9 | 83,750 | 2 | — | 19 | — | Not enough data |
| 2010 | 25 | 36,000 | 2 | — | 19 | 42 · Typical | Rising |
| 2009 | 26 | 33,000 | 2 | — | 19 | 50 · Typical | Rising |
| 2008 | 80 | 46,330 | 3 | — | 18 | 84 · More | Falling |
| 2007 | 96 | 29,430 | 3 | — | 18 | Not compared (before 2008) | Falling |
| 2006 | 143 | 63,706 | 2 | — | 18 | Not compared (before 2008) | Falling |
| 2005 | 488 | 72,800 | 4 | — | 19 | Not compared (before 2008) | Rising |
| 2004 | 348 | 82,000 | 1 | — | 18 | Not compared (before 2008) | Stable |
| 2003 | 362 | 85,194 | 1 | — | 18 | Not compared (before 2008) | Stable |
| 2002 | 78 | 51,000 | 0 | — | 18 | Not compared (before 2008) | Falling |
| 2001 | 157 | 71,000 | 3 | — | 18 | Not compared (before 2008) | Falling |
| 2000 | 162 | 73,825 | 6 | — | 18 | Not compared (before 2008) | Falling |
| 1999 | 164 | 103,000 | 3 | — | 18 | Not compared (before 2008) | Falling |
| 1998 | 143 | 84,700 | 5 | — | 18 | Not compared (before 2008) | Falling |
| 1997 | 316 | 80,436 | 4 | — | 18 | Not compared (before 2008) | Falling |
| 1996 | 239 | 84,263 | 5 | — | 18 | Not compared (before 2008) | Rising |
| 1995 | 179 | 89,000 | 5 | — | 18 | Not compared (before 2008) | Stable |
| 1994 | 156 | 99,000 | 3 | — | 18 | Not compared (before 2008) | Stable |
| 1993 | 144 | 90,000 | 3 | — | 19 | Not compared (before 2008) | Falling |
| 1992 | 255 | 114,000 | 3 | — | 20 | Not compared (before 2008) | Stable |
| 1991 | 82 | 79,994 | 1 | — | 18 | Not compared (before 2008) | Stable |
| 1990 | 56 | 89,000 | 0 | — | 18 | Not compared (before 2008) | Stable |
| 1989 | 58 | 75,250 | 1 | — | 18 | Not compared (before 2008) | Stable |
| 1988 | 73 | 94,000 | 2 | — | 18 | Not compared (before 2008) | Stable |
| 1987 | 43 | 131,200 | 4 | — | 19 | Not compared (before 2008) | Stable |
| 1986 | 21 | — | 1 | — | 19 | — | Stable |
| 1985 | 21 | 87,000 | 0 | — | 17 | — | Stable |
| 1984 | 15 | — | 1 | — | 16 | — | Stable |
| 1983 | 7 | 74,000 | 2 | — | — | — | Not enough data |
All Mercury Grand Marquis model years · Best and worst years by complaints
Frequently asked questions
How many NHTSA complaints does the 1985 Mercury Grand Marquis have?
NHTSA recorded 21 consumer complaints for the 1985 Mercury Grand Marquis as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 1985 Mercury Grand Marquis is reported most often?
Electrical system is named most often, in 11 complaints (52% of the total), followed by vehicle speed control with 4.
Has the 1985 Mercury Grand Marquis been recalled?
NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 1985 Mercury Grand Marquis get?
The EPA rates the 1985 Mercury Grand Marquis (Grand Marquis, 5.0L 8-cyl) at 17 mpg combined, 14 city and 22 highway, with an estimated annual fuel cost of $3,950 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 1985 Mercury Grand Marquis reported?
Among the 1 complaints that include a mileage, the median is 87,000 miles and the middle half falls between 87,000 and 87,000 miles; 0% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.