Best Places For A Fast Cash Offer To Sell Your Car Selling fast comes down to choosing the right buyer for your timeline and tolerance for hassle. If you want a near-instant cash offer and same-day or next-day payout, prioritize instant online buyers, franchise or independent dealerships, and local used-car lots. For non-runners, junk and salvage buyers move quickest; for top dollar, peer-to-peer takes longer. Instant cash offer: a preliminary price generated from your VIN, mileage, and …