1996 Mercury Grand Marquis LS. Engine: 4.6L 281 cu in Modular SOHC V8. Power: 210 hp @ 4250 rpm. Torque: 270 lb-ft @ 3250 rpm. Transmission: 4-Speed 4R70W Automatic. Weight: 3,890 lbs. Acceleration: 8.5 sec 0-60 mph.