When's the best time to trade in a vehicle?, You will get the best price when you trade in a car if you trade it before the clock turns over on 50,000 miles. At this point, it should still be operating well and not costing too much in terms repairs. Ideally, trade in when the odometer reads between 30,000 and 40,000 miles for the optimum price., Donate a Car, Donate Guide
