2006 Mercury Grand Marquis

Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2006 models.

Class
Large Cars
Engines
4.6L 8-cyl
Drivetrain
Rear-Wheel Drive
Fuel
Regular Gasoline, FFV
MPG (best)
18 combined · 15 city / 23 hwy
Length
–
Curb weight
–
NHTSA rating
Not rated
Recalls
2 campaigns

Overview

The 2006 Mercury Grand Marquis is a large car offered with a 4.6L 8-cyl engine and rear-wheel drive.

EPA rates its most efficient version at 18 MPG combined (15 city / 23 highway), 1% better than the 2006 large car average of 17.9 MPG, for an estimated $3,700 a year in fuel.

It has 2 recall campaigns on file and owners have filed 61 complaints with NHTSA since 2015, most often about the air bags.

What changed for 2006

No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2005 Grand Marquis — a carry-over year in the data.

Compared with 2005; trim, feature and price changes aren't covered. See the 2005 Grand Marquis →

Engines, MPG & running costs

VersionEngineTransmissionDriveCity / Hwy / Combvs. classFuel / yrCO₂ g/mi
Grand Marquis4.6L 8-cylAutomatic 4-spdRear-Wheel Drive15 / 23 / 18+1%$3,700494
Grand Marquis FFV4.6L 8-cylAutomatic 4-spdRear-Wheel Drive15 / 23 / 18+1%$3,700494
Spend $6,500Fuel over 5 years vs. average new car
17.9 MPG2006 Large Cars average

EPA estimates; "vs. class" is combined MPG against the 2006 EPA class average. How we calculate this →

Safety ratings & technology

NHTSA has not published 5-Star ratings for the 2006 Mercury Grand Marquis under the current (2011+) test program.

Similar 2006 large cars

ModelBest MPG / rangeNHTSA overallRecalls
2006 Mercury Grand Marquis (this car)18 MPGNot rated2
2006 Chevrolet Impala22 MPGNot rated1
2006 Dodge Charger21 MPGNot rated2
2006 Chrysler 30021 MPGNot rated2
2006 Ford Taurus20 MPGNot rated0
2006 Hyundai Sonata25 MPGNot rated2
2006 Toyota Avalon23 MPGNot rated5

Recalls (2)

Steering › Rack And Pinion › Pinion Shaft · Nov 5, 2014

NHTSA campaign 14V704000 · 36,888 vehicles

Problem
Ford Motor Company (Ford) is recalling certain model year 2005-2011 Ford Crown Victoria, 2005-2011 Mercury Grand Marquis vehicles manufactured March 23, 2004, to August 30, 2011, and 2005-2011 Lincoln Town Car vehicles manufactured March 8, 2004, to August 30, 2011, and on which the upper intermediate shaft was serviced during the course of safety recall 13V-385. The prior repairs may not have been correctly performed.
Risk
Improper servicing of the upper intermediate shaft could cause the shaft to separate, which can then result in a loss of steering control, and increasing the risk of a crash.
Fix
Ford will notify the owners of vehicles whose repair records reflect that the upper intermediate steering shaft was repaired during the course of the prior recall 13V-385. Dealers will inspect and replace the upper immediate shaft if necessary free of charge. The recall began November 17, 2014. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 14S25.
Steering · Aug 29, 2013

NHTSA campaign 13V385000 · 355,000 vehicles

Problem
Ford is recalling certain model year 2005-2011 Ford Crown Victoria (including Crown Victoria Police Interceptors), Mercury Grand Marquis, and Lincoln Town Car vehicles. The affected vehicles are currently registered or were originally sold in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, and Wisconsin. Severe corrosion can seize the lower intermediate shaft which may cause the upper intermediate shaft to collapse and the steering column lower bearing to separate.
Risk
If the lower bearing separates, the vehicle may experience a loss of steering, increasing the risk of a crash.
Fix
Ford will notify owners and dealers will replace the lower intermediate shaft, free of charge. The upper intermediate shaft and steering column lower bearing will be inspected to identify any damage that may have occurred as a result of lower intermediate shaft corrosion, and repaired or replaced as necessary. If the steering column lower bearing has separated, a retainer clip will be installed. The recall began on October 23, 2013. Owners may contact Ford at 1-866-436-7332. Ford's recall number is 13S08.
Check your VIN for open recalls at NHTSA ↗

Not every 2006 Mercury Grand Marquis is affected — only a VIN check confirms your car.

Owner-reported problems

61Complaints to NHTSA since 2015
6Involved a crash
0Involved a fire
2Injuries reported
89,000 miTypical mileage at failure
Air Bags23
Seat Belts10
Vehicle Speed Control10
Steering8
Fuel/Propulsion System7
Exterior Lighting4
Electrical System4
Unknown Or Other4
Complaints received per month (last 24 months with reports)
17/08: 217/11: 218/02: 118/03: 118/09: 218/10: 119/04: 119/06: 119/09: 119/11: 219/12: 120/01: 120/03: 120/06: 120/08: 121/03: 121/04: 122/04: 122/05: 123/08: 124/03: 125/01: 125/08: 126/07: 117/0818/0319/0419/1120/0321/0322/0525/01max 2

Unverified owner reports; best-sellers collect more.

Used 2006 Mercury Grand Marquis buyer's checklist

  1. Run the VIN at nhtsa.gov/recalls. 2 recalls this year — ask for proof of repairs.
  2. Air Bags — 23 owner reports. Confirm the airbag warning light turns off after start-up and any airbag recall was completed.
  3. Seat Belts — 10 owner reports. Confirm the airbag warning light turns off after start-up and any airbag recall was completed.
  4. Vehicle Speed Control — 10 owner reports. Ask the seller and mechanic specifically about this system.
  5. Mileage to watch. Owners typically reported problems around 89,000 miles; ask what was repaired near that point.
  6. Before you pay: service records, a history report and an independent inspection.

Generated by DecodedCars from NHTSA recalls and owner complaints for the 2006 Mercury Grand Marquis. Not a substitute for a professional inspection.

Other Grand Marquis years

Compare all years →
YearMPG (best)LengthOverallRecallsComplaints
2011 Grand Marquis19–Not rated26
2010 Grand Marquis19–Not rated211
2009 Grand Marquis19211.8 inNot rated210
2008 Grand Marquis18–Not rated233
2007 Grand Marquis18–Not rated226
2005 Grand Marquis19–Not rated3167

Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Mercury. How we calculate this →