One problem related to trunk lid has been reported for the 2001 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Mercury Grand Marquis based on all problems reported for the 2001 Grand Marquis.
The trunk of the vehicle was full of water due to a faulty seal, the vehicle was taken to the dealer where it was replaced but the leak has reoccured.
| Structure problems | |
| Door problems | |
| Body problems | |
| Paint problems | |
| Trunk Lid problems |