: The last week—specifically December 26–31 —often yields the best negotiation leverage as managers scramble to finalize year-end numbers.

December is widely considered the best month for discounts due to "Year-End" pressure.

January is often overlooked but offers distinct advantages, especially for used car buyers. When Is the Best Time to Buy a New Car? - Edmunds

: Dealerships and salespeople are sprinting to hit monthly, quarterly, and annual quotas .