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Mercury Grand Marquis
2006-present Mercury Grand Marquis
Manufacturer Ford Motor Company
Model year(s) 1983-present
Predecessor Mercury Marquis
Class Full-size
Layout FR layout
Platform Ford Panther platform

The Mercury Grand Marquis is a full-size rear-wheel drive sedan sold by the Mercury division of the Ford Motor Company. The nameplate has been in use since 1975 and has been a separate car line since 1983. It is essentially Mercury's version of the Ford Crown Victoria with which it shares its Panther platform along with the Lincoln Town Car. Since its introduction, the Grand Marquis has only been available with a V8 engine, and with features such as 6-passenger bench seating, it remains one of the last "traditional" American full-size cars still available for retail sale; it has even taken the place of its Crown Victoria twin in retail markets (the Crown Victoria has been dropped from non-fleet sales after 2007).

The Grand Marquis is presently manufactured at the St. Thomas Assembly Plant in Canada though it was also produced from 1983 to 1985 in Ford's St. Louis, Missouri facility.



The Mercury Marquis was introduced as a trim package on the 1967 Mercury Monterey. The Marquis name gradually replaced Monterey. The Grand Marquis trim line was introduced in 1975 as a step up from the base Marquis and Marquis Brougham. The Grand Marquis became a model in its own right in 1983 when Mercury's mid-size offering was renamed Marquis. Since then, there have been four generations of the Grand Marquis: 1983-1991 (the only version sold in multiple body styles), 1992-1997, 1998-2002, and the current generation, introduced in 2003 (this generation was sold as the 2003-2004 Marauder).

1975-1978 versions
1970s Mercury Grand Marquis 2-door sedan
1970s Mercury Grand Marquis 4-door sedan
Before its introduction on the Panther platform, the Grand Marquis existed as an optional trim package for Mercury Marquis sedans.

First generation (1983-1991)

First generation
1983 Grand Marquis LS 2-Door In Maroon
Model year(s) 1983-1991
Assembly St. Louis Assembly Plant
St. Louis, Missouri
St. Thomas Assembly
St. Thomas, Ontario, Canada
Body style(s) 4-door sedan
2-door sedan
5-door station wagon
Engine(s) 5.0 L Windsor V8
5.8 L Windsor V8
Transmission(s) 4-speed AOD automatic
Wheelbase 114.3 in (2903 mm)
Length 210.3 in (5342 mm)
Width 77.5 in (1969 mm)
Fuel capacity 18 US gal.
Related Mercury Colony Park
Ford LTD Crown Victoria
Ford Country Squire
Lincoln Town Car

The Grand Marquis was introduced as a model in its own right in 1983, when the base Marquis and Marquis Brougham nameplates were moved to the mid-sized Fox platform. The Grand Marquis nameplate remained on the Panther platform as Mercury's flagship sedan. It continued to be produced at Ford's St. Louis Assembly Plant, but production was gradually shifted to St. Thomas Assembly in Canada. The only change the Grand Marquis had from the previous models was Central Fuel Injection replacing the two-barrel carburetor, new taillights, and a new grille.

Mechanical Details

The 302 in³ Windsor V8 was the only engine available from model years 1983-1985, coupled with a four-speed AOD automatic. From 1986-1991 The Grand Marquis was available with a 5.8 L 351 in³ Windsor V8 but was a rare option according to ALLDATA.[1]

The new Grand Marquis sold well, and remained virtually unchanged until 1986, when it received sequential electronic fuel injection and all production moved to the St. Thomas plant.



In 1988, the exterior received a facelift to freshen the styling. This facelift included a new front clip with a rounded grille and badging shared with the rest of the Mercury lineup. The familiar cross-and-wreath emblems were replaced by Mercury's new "flying M". On the trunklid and C-pillar, the serif-style script was replaced by block lettering shared with the Sable and Topaz. The 2-door coupe was dropped from the lineup due to slow sales; Grand Marquis coupes are hard to find today. In 1990, a driver's side airbag was added to complement the redesigned dashboard and enlarged head restraints. These were the only changes the Grand Marquis received, as Mercury was preparing a new Grand Marquis for 1992.[2]

1983-1987 version
1983-1987 Grand Marquis 4-door
exterior view
interior view (1985 Grand Marquis LS)
interior view, front seat
1988-1991 version
Grand Marquis GS
front view
rear view

Second generation (1992-1997)

Second generation
1992-1994 Mercury Grand Marquis
Model year(s) 1992-1997
Assembly St. Thomas Assembly
St. Thomas, Ontario, Canada
Body style(s) 4-door sedan
Engine(s) 4.6 L Modular V8
Transmission(s) 4-speed AOD automatic
4-speed AOD-E automatic
4-speed 4R70W automatic
Wheelbase 114.4 in (2906 mm)
Length 212.4 in (5395 mm) (1992-94)
211.8 in (5380 mm) (1995-97)
Width 77.8 in (1976 mm) (1992-94)
78.0 in (1981 mm) (1995-97)
Height 56.8 in (1443 mm)
Fuel capacity 20 US gal.
Related Ford Crown Victoria
Ford Police Interceptor
Lincoln Town Car

For the 1992 model year, the Ford and Mercury Panther-platform cars underwent their most extensive changes since their 1979 introduction. Like the Crown Victoria, the Grand Marquis was given all-new sheet metal, much more rounded and aerodynamic than in the preceding generation. Unlike the Crown Victoria (which was re-styled along the lines of the Taurus), the Grand Marquis retained familiar styling cues from 1991, such as its formal roof line and chrome waterfall grille. The Colony Park station wagon was not included in the redesign. After 1992, dual airbags were made standard equipment (the passenger-side airbag was an option for 1992).

Mechanical Details

The redesigned Grand Marquis received the 4.6 L SOHC "Modular" V8 engine as the replacement for the 302 and 351 Windsor OHV V8s previously available. The Modular V8 was the first (and as of the 2010 model year, the only) overhead-cam V8 used in an American-market full-size sedan. For 1993, the electronically-controlled AOD-E transmission was introduced.[2]


1997 Mercury Grand Marquis LS model

For 1995, the Grand Marquis was refreshed. On the exterior, the bumpers and side cladding were painted completely in body color and the amount of chrome was reduced. The parking light/turn signal clusters on the front were reduced in size; the front turn signal (with cornering lights on LS models) clusters were also changed in their design.

Up front, the waterfall grille became more rounded in shape and fit tighter to the bumper and headlamps. In the rear, the license plate was moved from the bumper to in between the taillights. For the first time since 1988, the lettering was changed; now it was italicized block lettering.

The entire interior was facelifted in the name of ergonomics, with the most attention paid to the dashboard. On models with analog instruments(digital instruments remained an option), round instruments replaced the horizontal speedometer. Rotary climate controls replaced sliding climate controls after switching locations with the radio (a new corporate radio/cassette head unit with large buttons). The power seat controls (if specified) were now located on the door panels along with enlarged buttons for the power windows and door locks.

Mechanically, the major change was the switch to the 4R70W transmission.[2] In 1996, the Grand Marquis dropped the first-generation airbag steering wheel for the smaller one used in many other Ford and Mercury sedans. For 1997, the Mercury logos were removed from the C-pillars.

Production Figures[3]
Year 1992 1993 1994 1995 1996 1997 Total production
Units 163,262 90,367 107,894 94,202 104,433 127,949 688,107

Third generation (1998-2002)

Third generation
1998-2002 Mercury Grand Marquis
Model year(s) 1998-2002
Assembly St. Thomas Assembly
St. Thomas, Ontario, Canada
Body style(s) 4-door sedan
Engine(s) 4.6 L Modular V8
Transmission(s) 4-speed 4R70W automatic
4-speed 4R75E automatic
Wheelbase 1998-2008: 114.7 in (2913 mm)
2009-present: 114.6 in (2911 mm)
Length 211.9 in (5382 mm) (1998-2005)
212.0 in (5385 mm) (2006-present)
Width 78.2 in (1986 mm) (1998-2008)
78.3 in (1989 mm) (2009-present)
Height 56.8 in (1443 mm) (1998-2008)
56.3 in (1430 mm) (2009-present)
Fuel capacity 19 US gal.
Related Ford Crown Victoria
Ford Police Interceptor
Lincoln Town Car

The Grand Marquis was redesigned for 1998, with a new front and rear fascia, grille, hood, bumpers, wheels, lights, and mirrors.[2] Although it bore a resemblance to the 1992-1997 model, the only body panels retained were the doors and the roof. It also got some small interior changes, and more optional features. Unlike the previous generation, Ford's Panther-platform cars no longer received direct competition from General Motors (the Chevrolet Caprice and Buick Roadmaster were dropped after 1996); until 2002, Mercury brought in close to or over 100,000 Grand Marquis sales.

Mechanical Details

A fail-safe cooling system with a dual speed electric fan was put in place, along with a coil-on-plug ignition system. Larger dual piston brake calipers were added to the front, requiring 16 inch wheels to be standard.[2] A Watt's linkage was added to the rear suspension. Fuel lines were moved to the passenger side frame rail. A coded ignition key (known as Passive Anti-Theft System, or "PATS") system was introduced and a 72 amp/hour battery replaced the previous 58. Other minor changes included a redesigned engine cover and the power steering fluid reservoir being moved to the front of the engine.[2]

Production Figures[3]
Year 1998 1999 2000 2001 2002 Total production
Units 134,155 142,372 132,870 100,774 96,034 606,206

Fourth generation (2003-present)

Fourth generation
A current-generation Mercury Grand Marquis LS
Model year(s) 2003-present
Assembly St. Thomas Assembly
St. Thomas, Ontario, Canada
Body style(s) 4-door sedan
Engine(s) 4.6 L Modular V8
Transmission(s) 4-speed 4R70W automatic(2003-2005)
4-speed 4R75E automatic (2006-present)
Wheelbase 2003-2008: 114.7 in (2913 mm)
2009-present: 114.6 in (2911 mm)
Length 211.9 in (5382 mm) (1998-2005)
212.0 in (5385 mm) (2006-present)
Width 78.2 in (1986 mm) (1998-2008)
78.3 in (1989 mm) (2009-present)
Height 56.8 in (1443 mm) (1998-2008)
56.3 in (1430 mm) (2009-present)
Fuel capacity 19 US gal.
Related Mercury Marauder
Ford Crown Victoria
Ford Police Interceptor
Lincoln Town Car

After five years on the marketplace relatively unchanged, the Grand Marquis received new exterior sheetmetal; this consisted mostly of new headlight clusters and a larger grille (shared with the Marauder). The bumpers and trunklid fascia were also redesigned for an updated look. Inside, the interior was updated, with new door panels, door handles and switchgear and an optional overhead console (standard on the LS Series). On GS-trim models, the B-pillars were now painted body-color. Side airbags were also made available and a dual media (cassette/CD) player made standard. A shoulder belt was added for the rear middle passenger and a valet key was made standard.[2]

For the first time since the 1991 Colony Park station wagon, Mercury sold 2 versions of the Panther platform; the high-performance Mercury Marauder muscle sedan was sold from 2003-2004.

Mechanical Details

Under the skin, the differences between 2002 and 2003 were far more extensive. Ford had redesigned the frame of all the Panther-platform cars from the ground up. The frame was now fully boxed and hydroformed. In an effort to improve handling, rack and pinion steering replaced the old recirculating ball system, and the front and rear suspension, as well as the brakes, were redesigned. The new suspension changes required changing wheel designs to those with a high positive offset.

An engine knock sensor was made standard along with a six-quart (5.7 L) oil pan (20% larger than the 2002 model). A quiet EBD brake booster with a mechanical panic assist system was added. Other changes included an intake manifold with aluminum water crossover and an electronic returnless fuel system. Minor changes included a redesigned engine cover with a chrome V8 logo, the oil fill cap being moved to the passenger valve cover and the power steering fluid reservoir moved to the radiator surround (previously on the front of the engine).

Fourth-generation Grand Marquis
2003-2005 Grand Marquis
2006-2010 (present model) Grand Marquis

2005-2010 changes

A number of changes were made for the 2005 model year. An electronic throttle control system was put in place, moving the cruise control function to the main computer. Occupant weight sensors were added to the front seats, allowing the driver to disable the passenger airbag. Other changes included two new front crash severity sensors, a new steering column and two-spoke steering wheel and the addition of a mast antenna on the right quarter panel. Interior changes included new wood trim, chrome interior door release handles and an Audiophile 6 disc in-dash CD changer (optional on the LS Series), The LSE trim was added mid year. The steering wheel lock feature was eliminated.[2]


For 2006, the front end was refreshed. This included a rectangular grille, bearing a likeness to the 1988-1991 models. Fog lights became an option. Interior changes included a new instrument cluster, which featured the addition of a tachometer and digital odometer/tripmeter. The mast antenna on the right rear fender was integrated back into the rear window and new wheel designs were made available. This was the first year for the 4R75E transmission.[2]


The Palm Beach package was made available which included a leather-wrapped steering wheel, heated exterior mirrors with chrome fronts, cashmere leather seats with embroidered "Palm Beach" logos, side impact air bags, unique satin applique on the instrument panel and door panel, "Palm Beach" badging, and 16" 9-spoke chrome wheels. There is also the option for a conventional spare tire and an auto dimming rear view mirror. An Audiophile 6 disc in-dash changer with an 8 speaker configuration is available. Flex-fuel capability (E85) was added.


For 2008, the Grand Marquis lost the Handling and Performance Package as well as its 5-passenger sport option (similar to the Crown Victoria's LX Premium Sport and Handling Package, known as the LSE until 2006). These were the only post-1992 Grand Marquis variants produced for North America to be equipped with dual exhaust.

In Canada, the Grand Marquis was replaced in retail markets by the Fifth-generation Ford Taurus (formerly the Ford Five Hundred).

2009 to date

For 2009, the base GS trim level was dropped from the lineup; leaving 2 variants, LS Fleet and LS Retail. Also, Lincoln-Mercury dealers in the United States have a "No stock" rule in effect for the Grand Marquis, as incentives as high as $4000 were becoming a requirement to remove them from dealer lots, usually after several months.[citation needed] The LS Fleet is available for fleet purchase only in Canada and the United States, and the LS Retail is available on dealer special orders only in the United States. Standard equipment on both models is the new, federally mandated recessed window switches and side impact airbags.

The St. Thomas Assembly plant in Canada is slated to close the end of 2011; no formal announcement has been made from Ford Motor Company or the Lincoln-Mercury division concerning the future of the Grand Marquis.

Production Figures[3]
Year 2003 2004 2005 Total production
Units 92,140 87,583 66,133 245,856

Export Markets

The Grand Marquis, along with the rest of the Mercury lineup, is currently sold almost exclusively in the United States. In the past, it was available in the rest of North America, but exports today are concentrated on the Middle Eastern market, where its large size and V8 engine are attributes buyers still desire.


In Canada, after the Mercury brand was phased out in 1999, the car was sold as the Ford Grand Marquis but wore the Mercury grille badge, despite being renamed Grand Marquis by Ford in all Canadian sales literature. After the demise of its short-lived Mercury Marauder twin in 2004, the Grand Marquis was the last remaining Mercury vehicle sold in Canada. It replaced the civilian version of the Crown Victoria, which was now sold exclusively to commercial fleets and law enforcement in Canada (as a Police Interceptor). Sales continued until the 2008 model year, when the Ford Taurus took its place as Ford's full-size sedan.


The Grand Marquis was sold in Mexico from 1979 to 2004 as a Ford, but it kept the Mercury badge on the front grille. The Grand Marquis was replaced for the 2005 model year by the Mercury Montego, due to slowing sales attributed to the sedan's size.

Although the Mercury Montego was intended to invigorate full-size Mercury sales, it was dropped after the 2007 model year due to lack of sales.[citation needed]

Middle East (GCC)

The Grand Marquis and its twin, the Ford Crown Victoria, are popular sedans in the Middle East, especially in Kuwait and Saudi Arabia. Vehicles manufactured for this market are known as GCC Spec vehicles, and are available in all Gulf Cooperation Council (GCC) countries. Due to their age, the Crown Victoria and Grand Marquis have started to lose market share to more contemporary rivals, such as the Chevrolet Caprice (imported from Australia) and the Dodge Charger.

Trim Levels

Middle Eastern versions of the Grand Marquis are equipped with slightly different options and features than their North American counterparts. Prior to 2009, six different trim levels were available: GS, GS Convenience, GSL, LS (previously known as LSE until the 2008 model year), LS Premium and LS Ultimate.

The pre-2009 LS model (previously known as LSE) featured 5-passenger seating with a floor-mounted shifter and center console. In 2009, the LS models were only available with a column shifter and 40/20/40 Lincoln Town Car seats, available in luxury cloth or leather trim. The GSL is a long-wheelbase model offering six inches (152 mm) of extra leg room for rear passengers. It is equipped like an LS model, with standard features such as an 8-way power driver's seat (2 way manual passenger seat), side airbags, leather-wrapped steering wheel, automatically dimming rearview mirror, electronic climate control, power-adjustable pedals, premium sound system with CD and cassette, 17" wheels with 235/55WR17 Goodyear Eagle RS-A tires, heated door mirrors, fog lights and special "GSL" badging. The once-optional gauge cluster is standard, with controls located on the centre of the dashboard, between the headunit and climate controls. In North America, this model is only available to fleet customers as a commercial (taxi) version of the Ford Crown Victoria.

For 2009, the Grand Marquis was only available in two different trim levels: GSL and LS, both of which were near identical in terms of features and options. The LS was a Fleet model, which was heavily de-contented, losing once-standard features such as an overhead console with compass and a power passenger seat. The Export Handling Package was dropped, eliminating features such as the Mercury Marauder spoiler and rear air suspension. In Kuwait, the 2009 GSL retailed for KWD 6,500 (USD $22,000) and a fully equipped LS for KWD 7,500 (USD $25,425).

For 2010, the GS (M74 VIN designation) reappeared in the Middle East line up, and several features (such as the Mercury Marauder spoiler) became available as standalone options. In Kuwait, the LS model (M75) is no longer available, having been replaced with the long wheelbase GSL (M70) model.

Mechanical Details

All vehicles destined for the Middle East feature the High Ambient Temperature and Speed Package, true dual exhaust (except GSL), a heavy-duty battery, an engine oil cooler, an auxiliary transmission fluid cooler and Arabic language labels. Lincoln Town Car seats have also been standard equipment on vehicles manufactured after 1998.

The American Handling and Performance Package (HPP) has been changed to "Export Handling Package" (EHP) for the Middle East. The only differences between the two is that GCC models have a 2.73:1 rear axle ratio (as opposed to 3.27:1) and as a true dual exhaust system is standard equipment, it is not included as part of the package. Rear air suspension, unique springs, an upsized front stabilizer bar and heavy-duty rear stabilizer bar are part of the Package.

Vehicles equipped with this package also feature a rear trunklid spoiler from the Mercury Marauder (not available on GS-L models). EHP is a standard feature on the LS, whilst LS Premium and LS Ultimate models with this option share the same 16" 9-spoke wheels as their LS counterparts. For 2006 and newer models, the new 9-spoke Crown Victoria LX wheel (with a Mercury center cap) replaced the '03-'05 LSE wheels with darker inserts.

Middle East export version
Middle Eastern 2003 Grand Marquis LS, equipped with the Export Handling Package featuring '03-'05 LSE wheels
2003 Grand Marquis LS GCC-Spec
Factory 40/20/40 luxury cloth Town Car seats
Cloth front seats (shared with Lincoln Town Car)
Arabic-language driver's door information sticker.
Arabic-language "Objects in mirror are closer than they appear" warning on the passenger side rear-view mirror.
Versions of the Grand Marquis sold in the Middle East are known as "GCC-Spec" (Gulf Cooperation Council)

Fuel tank safety concerns

See also: Fuel tank safety concerns

Intake Manifold Defect

See also: Intake Manifold Defect

Model years 1996 to 2001 inclusive, using an all-composite intake manifold, are subject to coolant leaks. Late in 2005 Ford settled a class action lawsuit.

Engine Specifications

Engine Name Years Available Displacement Horsepower Torque
Ford Windsor V8 1983-1991 302 cubic inches (5.0L)
Ford Windsor V8 1986-1991 351 cubic inches (5.8L)
Second-Fourth generation
Ford Modular V8 1992-present 281 cubic inches (4.6L)
  • 210hp (1992-1997; dual exhaust)
  • 215hp (1998-2000; dual exhaust)
  • 235hp (2001-2002; dual exhaust)
  • 239 hp (2003-present; dual exhaust)
  • 270 lb-ft (1992-1997; dual exhaust)
  • 285 lb-ft (1998-2000; dual exhaust)
  • 275 lb-ft (2001-2002; dual exhaust)
  • 282 lb-ft (2003-present; dual exhaust)


  1. ^ ALLDATA
  2. ^ a b c d e f g h i "Liquid's Model Year Changes". Retrieved 2007-12-10. 
  3. ^ a b c The Encyclopedia of American Cars, 2006 Edition

External links


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