The 2005 Mercury Grand Marquis is a full-sized Sedan offered in GS and LS trims and a mid-year LSE trim addition. The GS and LS models come equipped with a 224 horsepower 4.6-liter V8 while the LSE gets a 239 horsepower 4.6-liter V8. All models feature a 4-speed automatic transmission. The Grand Marquis offers a wide open interior with seating capacity for up to five passengers. Luxury amenities include air conditioning, cruise control, power accessories and a remote trunk release. Safety features include front and passenger-side airbags and ABS brakes.