2003 Mercury Grand Marquis Overview

Grand Marquis

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90 national listings
GS Convenience
LS Premium
Avg. Price: $5,833
LS Ultimate
1 national listing

Mercury Grand Marquis Experts

#1 Tracy Hooks
Tracy Hooks
Reputation 2,950
#2 kbro
Reputation 1,320
#3 Ratpuppy
Reputation 740
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Average User Score

3.75 stars

Based on 7 reviews

Grand Marquis Is Tops by 559806
 — I bought this car when it was 2-years-old, and had 38,725 miles. It's now at 272,500, and just keeps going. I've made it a point to keep this car maintained as recommended, and use synthetics when pos... Read More
It Is A Big Car That Is Very Comfortable And Easy To Drive. by beardog044
 — The maintenance costs are low since there are so many of these cars on the road still. For a big car it has a lot of pep and a very big back seat and trunk, extremely room yet not overbearing for it's... Read More
Classy Affordable Luxury by fgk555gh12m
 — Just purchased a 2003 Grand Marquis L S. I have owned a 1992 Cadillac Seville and most recently a Buick Park Avenue (1991) I traded the Buick in on the Marquis and they gave me $1000.00. The Marquis o... Read More

People researching a 2003 Mercury Grand Marquis contacted a dealer about

Picture of 2003 Mercury Grand Marquis GS
Mercury Grand Marquis
46% of the time
Lincoln Town Car
6% of the time
Ford Escape
4% of the time
Buick LeSabre
4% of the time
Grand Marquis
Looking for a Used Grand Marquis in your area?
CarGurus has 2,507 nationwide Grand Marquis listings starting at $995.

Mercury Grand Marquis Questions


What Radiator Cooling Fans Are Compatible For 2003 Grand Marquis?

I found on the internet that 2003-05 Gran Marqs and Crown Vics have the same fan assembly (and connecter from module to car), but not sure about that. I'm hoping for a larger time period since I ca...

23 views with no answers yet
Ray Cox

2003 Mercury Grand Marquis Overheating, After Replacing Fan And Thermostat

My 2003 mercury grand marquis is overheating, even after replacing the fan and thermostat. There does not appear to be any problem with the water pump. I can drive it all day at hiway speeds, but ...

30 views with 6 answers (last answer 2 weeks ago)

My 2003 Grand Marquis Radiator Fan Doesn't Shut Off .

i cant seem to find where the fan relay is? i know its under the hood but where ? if its not that could it be grounding out if so where ? any pictures or diagrams would also be awesome !! thanks La...

15 views with 1 answer (last answer about a month ago)

What Does Codep1406dpfemean

3 views with no answers yet

What Does Engine Code P1299 Means? I Took My Car To Auto Zone And They Say...

1,560 views with 3 answers (last answer 2 years ago)