2003 Mercury Grand Marquis Overview

Grand Marquis

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124 national listings
GS Convenience
LS Premium
Avg. Price: $5,724
LS Ultimate

Mercury Grand Marquis Experts

#1 Tracy Hooks
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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
44% of the time
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7% of the time
Ford Escape
5% of the time
Ford Focus
5% of the time
Grand Marquis
Looking for a Used Grand Marquis in your area?
CarGurus has 2,968 nationwide Grand Marquis listings starting at $1,495.

Mercury Grand Marquis Questions


Engine Hesitation When Maintaining A Speed

I have a 2003 grand marquis with 90,000 miles, when I am maintaining a speed I feel a jerking sensation. I thought it might be old spark plugs and an old fuel filter so I changed both of them out. But...

2,539 views with 5 answers (last answer about a week ago)

What Is The Reason Why The Brake Lights Will Not Turn Off On A 2003 Mercury...

9 views with 1 answer (last answer 2 weeks ago)

Heater Motor On High Speed Only

Earlier the resistor was changed due to no fan at all worked for 4 months now fan motor blowing on high only. Could it be the switch or resistor or motor not sure can you help.

42 views with 1 answer (last answer 3 weeks ago)

Heater Does Not Work

Hello, 2003 Grand Marque heater does not work. The fan works, A/C works. Defrost works. Only thing wrong is no heat. Is there a vacuum line attached to the thermostat?

22 views with no answers yet

How To Test The Windshield Wiper Motor In 2003 Mercury Grand Marquis Ls

just replaced motor, wipers stopped working

328 views with 5 answers (last answer 2 months ago)