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Home/Registry/Mercury/Grand Marquis/1998–2011supermotors.net/registry/mercury/grand-marquis/1998-2011

1998-2011 Mercury Grand MarquisAero Panther Grand Marquis (1998-2011)

1998–2011 60+ on the wall 85 documents ↓

The Mercury Grand Marquis (1998-2011) is a full-size, rear-wheel-drive sedan built on Ford's body-on-frame Panther platform and sold only as a four-door sedan. Every year used the 4.6 liter SOHC modular V8 paired with a four-speed automatic, and the car shared its platform with the Ford Crown Victoria and Lincoln Town Car. The 1998 revision brought a restyled body while the steering stayed recirculating-ball, the 2003 update introduced a revised hydroformed frame together with rack-and-pinion steering, and production ended at St. Thomas Assembly in Ontario, Canada on January 4, 2011.

Other Mercury Grand Marquis generations

1975-1981 Mercury Grand Marquis 1982-1991 Mercury Grand Marquis 1992-1997 Mercury Grand Marquis

Platform and chassis

The Mercury Grand Marquis (1998-2011) used the Ford Panther platform, a body-on-frame, rear-wheel-drive architecture shared with the Ford Crown Victoria and the Lincoln Town Car. The 1998 model year was primarily a restyle; the steering remained recirculating-ball until the 2003 update. Suspension used a short/long-arm front and a live rear axle located by a Watt's linkage, a feature carried across the whole generation. The 2003 model year introduced a substantially revised chassis with a hydroformed front frame section, rack-and-pinion steering in place of the older recirculating-ball system, larger brakes, and revised front and rear suspension.

Engine

The Grand Marquis used a single engine family across 1998-2011: the 4.6 liter (281 cubic inch) SOHC modular V8. Output depended on exhaust configuration, with the standard single-exhaust rating rising from 200 net horsepower (1998-2000) to 220 (2001-2002) and 224 (2003-2011), and the dual-exhaust versions, offered with the handling and performance package, rated higher at 215, 235, and 239 horsepower over the same spans. The 2003 revision updated the engine's electronics and induction (knock sensor, returnless fuel system) and raised the standard rating. Torque ranged from about 265 to 287 lb-ft depending on year and exhaust.

  • 4.6 L SOHC V8, single exhaust: the base configuration for GS and LS trims, rated 200 to 224 horsepower depending on year.
  • 4.6 L SOHC V8, dual exhaust: higher-output version bundled with the handling and performance package, rated 215 to 239 horsepower depending on year.

Transmission

All Mercury Grand Marquis (1998-2011) models used a four-speed automatic transmission: the 4R70W, later revised to the 4R75W in the mid-2000s. Drive went to the live rear axle.

Body styles

The Grand Marquis was offered only as a four-door, full-size sedan throughout 1998-2011. It seated six with a front bench and column shifter on most trims.

Year-by-year notable changes

  • 1998: restyled body; steering remained recirculating-ball (rack-and-pinion arrived in 2003).
  • 2001: Performance Improved (P.I.) cylinder heads and intake raised output to 220 hp single exhaust and 235 hp dual exhaust.
  • 2003: revised chassis with a hydroformed frame section, rack-and-pinion steering replacing the recirculating-ball setup, larger brakes, and an updated 4.6 L V8 with a higher standard rating (224 hp single, 239 hp dual).
  • Late run (roughly 2008-2011): the model line was narrowed, leaning toward fleet and limited retail sale as full-size sedan demand fell.
  • 2011: final production year; the last car was built at St. Thomas Assembly in Ontario, Canada on January 4, 2011, closing out the Grand Marquis nameplate and the Mercury brand.

Trims and variants

  • GS: the base trim, typically with the single-exhaust 4.6 L V8 and bench seating.
  • LS: the upper trim, adding equipment and available with the handling and performance package.
  • LSE: a sport-oriented version offered roughly 2001-2003 and again in 2005, pairing the handling and performance package (dual exhaust, firmer suspension, floor console and shifter) with distinct trim.
By the SuperMotors Editorial Team · Last updated July 2026 · Spotted an error? Suggest a correction

Asked all the time

What engine does the 1998-2011 Mercury Grand Marquis use?

Every 1998-2011 Grand Marquis uses the 4.6 liter (281 cubic inch) SOHC modular V8 with a four-speed automatic. Single-exhaust cars were rated 200 horsepower (1998-2000), 220 (2001-2002), and 224 (2003-2011), while dual-exhaust versions bundled with the handling package were rated higher at 215, 235, and 239 horsepower over the same spans.

What changed in the 2003 Grand Marquis?

The 2003 model year brought a revised chassis with a hydroformed front frame section, rack-and-pinion steering in place of the older recirculating-ball system, larger brakes, and an updated 4.6 liter V8 whose standard rating rose to 224 horsepower.

How is the Grand Marquis different from the Ford Crown Victoria?

The Mercury Grand Marquis and Ford Crown Victoria are siblings on the same Panther platform with the same 4.6 liter V8 and four-speed automatic. The differences are mainly styling, trim, and equipment. The Crown Victoria was also sold heavily as a police and fleet car, while the Grand Marquis was positioned as the more retail, comfort-oriented sedan alongside the Lincoln Town Car.

Which years should a buyer look for?

Buyers wanting the updated chassis and higher standard engine output should look at 2003 and later cars, which received the hydroformed frame, rack-and-pinion steering, and the revised 4.6 liter V8 rated at 224 horsepower standard. Cars with the handling and performance package add dual exhaust (up to 239 horsepower) and a firmer suspension.

When did Grand Marquis production end?

Production of the Mercury Grand Marquis ended at Ford's St. Thomas Assembly plant in Ontario, Canada on January 4, 2011. The final car was also the last Mercury ever built, closing out the nameplate along with the related Ford Crown Victoria.

What is the LSE?

The LSE was a sport-oriented Grand Marquis offered roughly 2001-2003 and again in 2005. It bundled the handling and performance package, including the dual-exhaust higher-output 4.6 liter V8, a firmer suspension, and a floor console and shifter, with distinct interior and exterior trim.

Technical Reference

Member-uploaded diagrams & documents for this generation. AI-classified; community-verified where badged.

Wiring Diagrams (3)

Service Procedures (4)

Brochures & Literature (49)

Data/Spec Plates (15)

Fuse & Relay Charts (1)

Exploded Parts (3)

Vacuum Routing (1)

Manual Pages (6)

Schematics (3)

The wall · registered 1998–2011 Grand Marquiss

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Light blue 2000 Mercury Grand Marquis sedan parked curbside, 3/4 front view“BluesClues”2000 Grand Marquis · 2000GrandMarquis7 photos White Mercury Grand Marquis sedan, front 3/4 view, parked by a brick house“Great White Buffalo”2003 Grand Marquis · MyMerk036 photos Side view of a light blue 1998 Mercury Grand Marquis sedan at night.1998 Grand Marquis1998 Grand Marquis · rydeowt6 photos Silver sedan parked on gravel, front 3/4 view. Visible grille and headlights2004 Grand Marquis2004 Grand Marquis · 2004MGMinNH6 photos White 2003 Mercury Grand Marquis front view with chrome grille and bright headlights2003 Grand Marquis2003 Grand Marquis · Bigjohn6 photos Front view of a gray 2001 Mercury Grand Marquis parked on asphalt“Gladice”2001 Grand Marquis · CRocka896 photos Gray 1999 Mercury Grand Marquis sedan parked on grass with a field in the background“Big green couch”1999 Grand Marquis · Grampstaxi6 photos Lowered gray Mercury Grand Marquis sedan with wire wheels on a driveway1999 Grand Marquis1999 Grand Marquis · SpiritSoldier6 photos 2006 Mercury Grand Marquis parked at night with headlights on“Merc”2006 Grand Marquis · csavage19865 photos Maroon 2003 Mercury Grand Marquis sedan parked outdoors with headlights on.2003 Grand Marquis2003 Grand Marquis · 03MercuryGM5 photos Gold 2003 Mercury Grand Marquis parked on muddy ground under an overpass“Beige Panther”2003 Grand Marquis · SOHChoonigan5 photos Maroon 2001 Mercury Grand Marquis parked outside a house2001 Grand Marquis2001 Grand Marquis · iceman185 photos Light green four-door sedan parked outdoors near a wooden fence and bare trees, front 3/4 view.2004 Grand Marquis2004 Grand Marquis · OleDutchD5 photos 1998 Mercury Grand Marquis parked in a garage1998 Grand Marquis1998 Grand Marquis · devilscap45 photos Silver Mercury Grand Marquis rear three-quarter view in a wet parking lot1998 Grand Marquis1998 Grand Marquis · larryo3405 photos Black four-door sedan parked on concrete driveway.2004 Grand Marquis2004 Grand Marquis · u43sheena4 photos White sedan front-left corner with black steel wheel, jack stand in foreground1998 Grand Marquis1998 Grand Marquis · MysticMathias4 photos 2003 Mercury Grand Marquis, side view, light blue paint, alloy wheels“For Sale”2003 Grand Marquis · Browski664 photos Silver 2004 Mercury Grand Marquis 3q-front view“wanna be”2004 Grand Marquis · kevert854 photos Blue-grey Mercury Grand Marquis sedan on driveway, 3/4 front view“for sale at blue book price”2009 Grand Marquis · unclluke4 photos Rear view of a gold Mercury Grand Marquis with license plate BKBR-626 parked on grass2000 Grand Marquis2000 Grand Marquis · cycobob4 photos Maroon Mercury Grand Marquis sedan parked in snow at dealership, front-right view“Twin 2”2001 Grand Marquis · Mark Henshaw4 photos Black 1999 Mercury Grand Marquis sedan, side view1999 Grand Marquis1999 Grand Marquis · Ben Tee4 photos 1998 Mercury Grand Marquis parked on a roadside with trees in the background“Big Bullitt”1998 Grand Marquis · kab4 photos 2002 Mercury Grand Marquis sedan, tan with red vinyl top, parked outside a brick building.“rocketCouch”2002 Grand Marquis · OgreXT3 photos White 2001 Mercury Grand Marquis parked outside a house2001 Grand Marquis2001 Grand Marquis · ADC32323 photos Red Mercury Grand Marquis sedan parked at curb, plate 832-ZWR“Crimson cougar”2003 Grand Marquis · Dtre19663 photos Dark blue Mercury Grand Marquis sedan loaded on a white flatbed tow truck, rear three-quarter view.“Vader”2000 Grand Marquis · Drifterbill3 photos White 1999 Mercury Grand Marquis parked on a gravel lot“The Phantom”1999 Grand Marquis · GuerillaMarauder3 photos Dark 1999 Mercury Grand Marquis side view with chrome trim and a man crouching“GS”1999 Grand Marquis · Marcellosmerc873 photos Silver 2000 Mercury Grand Marquis parked at night“Party Mobile”2000 Grand Marquis · HawkDaddy3 photos 2001 Mercury Grand Marquis sedan parked on a street, front quarter view“Sheila”2001 Grand Marquis · 01GSMGM3 photos 2000 Mercury Grand Marquis sedan, side view. Aftermarket wheels2000 Grand Marquis2000 Grand Marquis · Bob Miller3 photos Black 2001 Mercury Grand Marquis parked in driveway2001 Grand Marquis2001 Grand Marquis · SpiritSoldier3 photos Silver 2004 Mercury Grand Marquis parked on grass next to an RV“GS”2004 Grand Marquis · det452 photos Silver 2005 Mercury Grand Marquis parked in front of a CVS Pharmacy.2005 Grand Marquis2005 Grand Marquis · ULTIMATELS2 photos Black 1998 Mercury Grand Marquis parked on gravel with trees in background“black steel”1998 Grand Marquis · marquisnblack2 photos Gold Mercury Grand Marquis LS four-door sedan parked on a paved driveway“Land Boat”2000 Grand Marquis · 9mman2 photos Silver Mercury Grand Marquis sedan parked in a lot, front three-quarter view“The Merc”1999 Grand Marquis · babyboiakadj2 photos Front quarter view of a gold Mercury Grand Marquis with black wheels1998 Grand Marquis1998 Grand Marquis · jcoyne072 photos Black sedan with dual superchargers, front view2006 Grand Marquis2006 Grand Marquis · donnie19692 photos Dark blue sedan parked on concrete, front quarter view. Black steel wheels, chrome trim“AAMERCURY”1999 Grand Marquis · aamercury2 photos Sage green Mercury Grand Marquis sedan parked, front 3/4 view, bare trees behind.“MooMoo”2003 Grand Marquis · MooMooLSE2 photos White 2000 Mercury Grand Marquis parked in a lot, rear quarter view“Merc”2000 Grand Marquis · merc00iky2 photos Light blue 2006 Mercury Grand Marquis, rear 3/4 view“Pimpride”2006 Grand Marquis · aintnomyth2 photos Light blue full-size sedan parked in a driveway, front 3/4 view, suburban house behind.“Ice”2005 Grand Marquis · Norm Tyche2 photos White 2001 Mercury Grand Marquis parked by water at dusk2001 Grand Marquis2001 Grand Marquis · Immortality60002 photos Dark blue full-size sedan parked in side profile on a driveway in front of a maroon house and green lawn.“Commisioner's Car”2003 Grand Marquis · MrWalleyeLSE2 photos 2003 Mercury Grand Marquis, dark blue, 3q front view, parked on asphalt with grass and red brick in background“Ruby”2003 Grand Marquis · msw532 photos Close-up of black steel wheel and tire on a gray car over asphalt“The Blue Angel”2002 Grand Marquis · GrandMarquis7111 photo Light blue 2000 Mercury Grand Marquis sedan, front 3/4 view, driver visible, parked on street2000 Grand Marquis2000 Grand Marquis · jonathanlee72341 photo White Mercury Grand Marquis sedan with vinyl roof and chrome wheels parked on gravel by woods, front 3/4 view.“Blanche”2004 Grand Marquis · jrbuzz81 photo Gray Mercury Grand Marquis sedan with black wheels, front 3/4 view in a parking area2003 Grand Marquis2003 Grand Marquis · Fancypants1 photo Silver sedan parked on a residential street.“Jim”2008 Grand Marquis · Elegantshoshon1 photo Dark green full-size sedan parked at curb, front three-quarter view with chrome grille.“Regal Panther”1999 Grand Marquis · woofer951 photo Blue sedan parked on grassy hill, 3/4 front view. Chrome wheels, tan interior visible“Just Mercury”2011 Grand Marquis · Roadmaster271 photo Dark green Mercury Grand Marquis parked on asphalt driveway, front quarter view2003 Grand Marquis2003 Grand Marquis · spencer4551 photo White 1998 Mercury Grand Marquis sedan parked on a grassy area with fallen leaves“coolwhip”1998 Grand Marquis · 98coolwhip1 photo 2002 Mercury Grand Marquis parked on grassy area with trees in background. License plate reads 626-NVN2002 Grand Marquis2002 Grand Marquis · lsemarquis1 photo Black sedan parked on street, side view. Appears to be a Mercury Grand Marquis from the early 2000s2011 Grand Marquis2011 Grand Marquis · pfm09211 photo
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