The six-passenger 2007 Mercury Grand Marquis is available as the GS ($25,735) and the LS ($30,395). Both are powered by a 224 horsepower, 4.6-liter, 16-valve V8 with overdrive, and equipped with a four-speed electronic automatic transmission. Estimated fuel economy is 17 city and 25 highway.

The standard audio package is an AM/FM/CD combo with an option on the LS for an upgraded system which includes a six-disc, in-dash changer. Seats are premium cloth on the GS, leather on the LS. The driver's seat has eight-way power adjustability, including lumbar support and reclining features. (On the LS a power-adjustable brake and accelerator pedal are standard.) Headroom is 39.5 inches front, 37.8 rear with legroom of 41.6 and 38 inches respectively. Trunk volume is 20.6 cubic feet.

The included personal safety system includes airbags for the driver front passenger as well as retractable seat belts with built-in pretensioners, a sensor that recognizes the driver's seat position, and another sensor that detects the presence of a front-seat passenger. The 2007 Grand Marquis also has traction control, a keyless entry keypad on the driver's-side door, and an anti-theft system.