And my 67 Dart 270 hardtop with a 340 727 and 8.75 is 2870# with the jack, spare tire, rally wheels, full interior and half a tank of fuel. although 69-70+ A bodies were heavier with all the luxuries. 68 340 dart was 3220# as rated. 500-600 # difference would be moe accurate for most cars, except cars with many features and additions they would be heavier, A 1969 a12 Superbee 440 4spd was rated at 3620#, dodge dart lo23 426 car weighed 3020#