Mine has the step and is electric. Quite a bit of weight for sure. Don’t know how the power up will like the strut so I’ve ruled that option out for now. I do like the strap to hitch idea.My XLT has the step and pole tailgate and it's not light. Soft auto open, but you feel it when closing.
Ditto - my Lariat, like your Platinum, is with step and power up / down.Mine has the step and is electric.