2006 Mercury Grand Marquis Sedan Review | Edmunds.com

2006 Mercury Grand Marquis Sedan

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Certified Pre-Owned (CPO) is a category of used car. Often late-model vehicles, they have been inspected, refurbished, if necessary, and are under warranty by the manufacturer.
Mercury Grand Marquis Features and Specs

Features & Specs

  • Engine 4.6 L V 8-cylinder
  • Drivetrain Rear Wheel Drive
  • Transmission 4-speed Automatic
  • Horse Power 224 hp @ 4800 rpm
  • Fuel Economy 15/23 mpg
  • Bluetooth No
  • Navigation No
  • Heated Seats Yes

Review of the 2006 Mercury Grand Marquis

  • A popular seller among older folks who appreciate its large size and reasonable price, the 2006 Mercury Grand Marquis offers a Lincoln Town Car experience for under $30,000.

  • Safety
  • Pros

    Spacious interior, comfortable ride, good crash test scores, low price.

  • Cons

    Large size makes it difficult to park and maneuver, some low-grade interior materials.

  • What's New for 2006

    For 2006, the Grand Marquis LS gains 16-spoke, 16-inch alloy wheels, as well as an overhead console with compass and universal garage door opener. All models get a new grille, front fascia, headlamps and rear trunk applique.

Full 2006 Mercury Grand Marquis Review

What's New for 2006

For 2006, the Grand Marquis LS gains 16-spoke, 16-inch alloy wheels, as well as an overhead console with compass and universal garage door opener. All models get a new grille, front fascia, headlamps and rear trunk applique.


One of the last surviving full-size, rear-drive American sedans from an earlier era, the Mercury Grand Marquis is an aged car. But under that familiar skin are some modern touches. A full-perimeter frame uses strong, lightweight hydroformed steel sections for the front rails to improve frontal and offset crash performance. Along with a stiffer frame, the Grand Marquis received a number of suspension upgrades in 2003, all of which contribute to the car's smooth, controlled ride and handling characteristics.

Other modern features include a variable ratio rack and pinion steering system with variable power assist and a dual-rate brake booster that automatically supplies full braking power in a panic stop. On the inside, the seats are comfortable, and there's room for up to six people. The 2006 Mercury Grand Marquis is mechanically identical to the Crown Victoria and similar to the Town Car. Decades-old technology allows Mercury to keep the prices low, and the Mercury car is a favorite among people who need space and don't want a minivan or SUV. Shoppers looking for a modern driving experience, however, might want to check out the Avalon, which is just as roomy and comfortable, and infinitely more refined.

Body Styles, Trim Levels, and Options

The full-size Mercury Grand Marquis comes as a four-door sedan in two levels of trim -- GS and LS. Each trim is further broken down into base and Convenience lines for the GS, and Premium and Ultimate for the LS. Base GS models include all the family sedan basics, like air conditioning; a CD player; a power driver seat; keyless entry; power windows, mirrors and locks; cruise control; a tilt steering wheel; and 16-inch wheels. The GS Convenience adds traction control and power-adjustable pedals. The LS Premium adds alloy wheels, a power front-passenger seat, automatic climate control and an auto-dimming rearview mirror. The LS Ultimate includes a wood and leather steering wheel with audio and climate controls. Options on both LS models include leather upholstery, a moonroof, seat heaters, a CD changer and a handling package, which offers a bump in power as well as firmer suspension tuning for better handling.

Powertrains and Performance

Only one engine and transmission are offered on the Mercury Grand Marquis. Standard models use a 224-horsepower, 4.6-liter V8 and a four-speed automatic to put power to the rear wheels. Opt for the handling package on either LS model and the same engine is upgraded to produce 239 hp, along with a boost in torque to 287 lb-ft (from 272). Fuel economy is respectable for a large V8-powered sedan -- expect about 17 mpg in the city and up to 25 mpg on the highway.


The Grand Marquis scored well in National Highway Traffic Safety Administration crash tests; it earned a perfect five stars in frontal-impact testing and four stars in side-impact testing. The big sedan also earned the top rating of "Good" in frontal-offset crash testing conducted by the IIHS. Four-wheel antilock disc brakes are standard on every Grand Marquis, and traction control is standard on all cars except the base GS. Seat-mounted side airbags for front occupants are optional, but side curtain airbags and stability control are not available.

Interior Design and Special Features

A roomy cabin is one of the biggest selling points for the Mercury Grand Marquis, and adults will find plentiful head-, shoulder, hip- and legroom. Bench seating allows this big sedan to accommodate up to six people. A cavernous trunk of 20.6 cubic feet will swallow any luggage they might have with them. Controls and instrumentation are simple in design, though not particularly stylish, and some of the materials are low in quality.

Driving Impressions

Want a chrome-encrusted, rear-drive V8-powered American sedan without the premium charged for a Lincoln or the trendy Chrysler 300C? The 2006 Mercury Grand Marquis fits the bill perfectly. The standard V8 provides plenty of acceleration in just about any situation, and the car's smooth, forgiving ride spares occupants from harsh impacts over bumps. The large size of this Mercury car can make it unwieldy in tight spots, but it's relatively responsive steering helps drivers keep it on track.

What Others Are Saying

Customer Reviews

2 of 4 people found this review helpful

Beware....its a ford

by on
Vehicle: 2006 Mercury Grand Marquis GS Convenience 4dr Sedan (4.6L 8cyl 4A)

purchased the car in 2007 with 10K miles on it. after 2 years, the "blend" apparatus required replacement. ( this is the little door that opens and closes to give you cool or warm air.) that was a 1K repair and after 2 attempts, have still not succeeded in putting the dash back together correctly. today I learned that one of fords most reliable models requires a new intake manifold. this vehicle has 92K miles on it. have read many forums about this problem however this was supposed to have been corrected in 2005. NOT!! so if you're planning on purchasing a ford or mercury with a 4.6L this will cost you around 1200. will be going back to Honda later this year......

1 of 1 people found this review helpful

Fits my personality

by on
Vehicle: 2006 Mercury Grand Marquis LS Ultimate 4dr Sedan (4.6L 8cyl 4A)

I truly love this car. Comfort, Size, Safety, Reliability, Decent MPG, Easy to read controls, feels like I am driving my couch down the road.

2 of 2 people found this review helpful

Great car, but we need

by on
Vehicle: 2006 Mercury Grand Marquis LS Premium 4dr Sedan (4.6L 8cyl 4A)

This car drives great,looks good, is comfortable and well built over all. There are thousands of people who share this view. Ford please do something to quiet some of these radical critics who make fun of this great vehicle. The more people are made to believe this propaganda, the more our resale value for the vehicle falls.

Kids call it my geezer

by on
Vehicle: 2006 Mercury Grand Marquis LS Ultimate 4dr Sedan (4.6L 8cyl 4A)

Love my Ultimate got T-boned in a 2005 walked away unharmed can't say same for guy who ran red light. Safety and a good large American car built with good steel kept me in good shape. Went next day to same dealer and he put me in a 2006 for my insurance check. Recommend business with Rich Morton of Annapolis any day. Car is comfortable for a big guy like me at 260lbs and my wife at 115lbs and at my age in sales I don't need to impress anyone with wasteful spending.

So far it's been great

by on
Vehicle: 2006 Mercury Grand Marquis LS Premium 4dr Sedan (4.6L 8cyl 4A)

I had a '97 buick lesabra which was just ok. but after driving the Grand M. i was blowwn away & may still trade in for an older Marauder. much more leg & body room for a large guy. v-8 rwd. alot better then the v-6 fwd. I don't think ford will keep this platform after '08-'09. Too bad. On the down side rear seat leg room is small but i like the big trunk.

Ignore the negative consumer reports

by on
Vehicle: 2006 Mercury Grand Marquis GS Convenience 4dr Sedan (4.6L 8cyl 4A)

these consumer report guys are cracked! I get an average of 23mpg just driving it to and from work. They say thats the max. on the highway I have recorded a max average for that tank of gas 28.3 mpg (maintaining a steady 65mph for extended period of time with minamal non-freeway driving) This particular trip, I filled up in Beloit,WI and didn't fill up again until Rolla,MO; mapquest it to see how many miles!

Talk About The 2006 Grand Marquis

2006 Mercury Grand Marquis Discussions See all Started By

I have a 1996 Grand Marquis. It has 56,000 original miles and has...

our 2006 grand marquis leaks water that pools on the floor in the right rear. :mad:...

Gas Mileage


  • 15
  • cty
  • 23
  • highway
Calculate Yearly Fuel Costs
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