Originally Posted by play3000

Hi
Take care : Luxury appears to be less expensive usually because no mileage was included with it (it is extra price per mile), while other class have. This is probably the explanation of the change.
But of course, National should have tell you when you pick-up the vehicule and give you the choice between the 2 way or counting the mileage (unlimited, included in rental or extra costs for mileage).