A new car comes with a heavenly feeling. Free of dents and scratches, fragrant with that new-car smell and a sleek new steering wheel, and complete with an odometer reading in the double digits. But as soon as you roll off that lot, that new car is no longer brand new, and it starts depreciating before you know it. Next thing you know, there’s a new model on the market that you can’t wait to get your hands on and sell your current ride. But how do you know if it’s the right time to let go of your car?