The auto companies have closed this excess capacity, are now making better product and simply don't have a lot of extra cars they can offer at low prices to this distribution channel. People like Henry Silverman or Wayne Huizenga will make those businesses more rationally structured.
My guess is most people view this as a tire issue than a Ford Explorer issue. But there are a lot of good competitors to Ford Explorer out there on the market.
They just want to make sure that people don't rule GM out. But the probability of finding exactly what they want is probably pretty slim.