When is the best time to buy a car" Should you wait until the end of the year" 
Data over the last few years suggests November and December are the best months.
However, don’t believe everything you hear just yet. 

Brace yourself. The holidays are coming. Extended hours, big savings, and hordes of ambitious shoppers camping out (literally) at the front of the line. While clothes, games, and electronics are often top of mind, what about a larger purchase like an automobile" Do Black Friday and Christmas deals exist on cars"
What about this time of year in general" Is it really the best time to buy a car"  Conventional wisdom says yes but we talked with the experts for a consensus. There are a few things to consider before shopping for a car this holiday season. Pre-Owned Cars: November & December Are Prime Times
Black Friday is a great day for pre-owned vehicle shoppers, according to a study last year by iSeeCars.com. The iSeeCars.com team analyzed over 48 million one- to five-year-old pre-owned sales from January 2013 through December 2016 to determine when the best deals were offered.
A “deal” was defined as a savings of at least five percent.
“We found that holidays in November and December, and consequently the months of November and December, offer more deals than you would expect to typically find on an average day,” explained Phong Ly, Chief Executive Officer, iSeeCars.com.
Overall, based on t...