4th Generation (2003-2011) Grand Marquis Problems

What Owners Complain About

Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.

Worst Issues

2005 Grand Marquis headlights not working properly 20 (100%)
2004 Grand Marquis headlight failure 6 (30%)
2004 Grand Marquis a/c climate control not working properly 6 (30%)
2005 Grand Marquis air bag light on 5 (25%)
2007 Grand Marquis paint flaking off 5 (25%)

What Breaks

Lights 43 (100%)
HVAC 21 (49%)
Body 14 (33%)
Engine 14 (33%)
Electrical 11 (26%)

Years to Avoid

2003 41 (100%)
2005 40 (98%)
2004 24 (59%)
2007 16 (39%)
2006 9 (22%)
2009 4 (10%)
2008 3 (7%)
2010 3 (7%)

4th Generation (2003–2011) Grand Marquis Key Numbers

8 model years
Grouping all models by their year can reveal some baddies.
140 complaints
Running tally of owner grievances filed to CarComplaints.com.
19th in reliability
Overall reliability rank out of 28 eligible generations.