User blog comment:BastionMonk/T. rex infobox/@comment-5096097-20120702165215/@comment-5096097-20120703193601

Well, I couldn't find a site that said the specific sizes of the Rexes, but in the 1st movie, when the female T. rex knocked its head against the jeep, it looked nearly as long as the vehicle, probably outsizing Sue's by a bit.