
Find for tips and resources to find lawyers. The seller must refund the amount you paid for the vehicle, less 15 cents per mile of use. If a private party seller refuses to cancel the contract within 30 days of the sale, you should consult with an attorney to determine whether to pursue the matter in court. If you discover a defect that impairs the vehicle’s safety or substantially impairs its use and you can prove that the seller knew about the defect but failed to disclose it, you may rescind the contract (cancel the sale) within 30 days of the date of your purchase. Private party sellers are not required to repair the vehicle after it has been sold. The Massachusetts Lemon Laws require private parties selling used cars to inform buyers about all known defects which impair the safety or substantially impair the use of the vehicle. The law applies to all private party sales regardless of the price or mileage. Under Massachusetts law, anyone who sells more than three cars in a one-year period is considered a dealer and must obtain a used car dealer license from their municipality.

A private seller is any person who is not a dealer who sells or offers to sell a used motor vehicle to a consumer.
