Originally Posted by dtremit

I'm pretty sure the large fleet of those vehicles was largely due to manufacturer overcapacity, not customer preference. GM had way more full-size SUVs than it could sell; as a result, rental companies got great deals on them.

Today, they've reduced factory capacity, and a lot less full-size SUVs are on the market (notably, the Explorer has been downsized), so there probably aren't nearly as many extras. So the rental companies probably are finding the better deals elsewhere.