Which 1971 Pantera? A '71 as sold in the U.S. with 100+ lbs of chassis stiffening, DOT certs for safety etc weighs about 3050 lbs. An early '71 Euro-pushbutton with none of that stuff weighs about 2950. A rubber-bumper Pantera weighs about 3200 with the shock mounts and big bumpers. Gas, water and oil weighs 7 lbs per gallon if present and a battery if present weighs from 30 to 50 lbs.