When the car gets destroyed, it doesn’t really matter if it belongs to Phil. He’s sort of a jerk and the audience might even think he deserves the loss. But when the car belongs to the father of the bride–that takes the stakes to a whole new level because it puts our characters in jeopardy. Tracy’s dad entrusted his prized automobile to his future son-in-law–who indirectly allowed it to get wrecked. We never see Tracy’s dad’s reaction to his destroyed Mercedes, and while he brushed off Doug’s tardiness to “antics in Vegas,” I’m not sure he’ll have such a cavalier attitude when he sees his car.