Comparing The Standard Rooms: MGM Grand & Park MGMįor the starting standard room rates, here’s what you’ll get: MGM Grand With room rates and location providing no distinction between them, let’s delve a little deeper. With a mere 2,992 rooms, the Park MGM, is small by comparison, probably signaling its intent to attract a more discerning crowd. The MGM Grand’s 6,852 guest rooms underscore its objective of appealing to the masses. Compare These Other Las Vegas Hotels MGM Grand vs.In this article, we'll tell you about: Toggle