9 Hassle-Free Places to Sell Your Car Fast for Cash If your top goal is speed and simplicity, the best place to sell your car for cash fast is usually a branded instant buyer or a dealer-backed offer; if you’re chasing every last dollar, a private listing can net more but takes more time and screening. As CarPro’s comparison notes, you typically trade a bit of price for less hassle when you skip private-party negotiations (CarPro’s comparison of selling options). “Instant cash offer” means a …