Depending on the dealer, you may find you can strike a better deal now, while their sales figures for November/December are on the floor because everyone is holding off until the new year.
Particularly if it's a straight cash sale with no trade-in, most car salesmen will take your arm off if you make a reasonable offer on a car type that doesn't tend to sell as easily as a 1-1.3 litre four-door. Come January they'll be cushioned to some extent by new sales and won't be quite so "hungry".