Buyer Threatening a Lawsuit After an 'As-Is' Vehicle Sale
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Reviewed & verified by A. Jason Velez, Esq.*
Managing Attorney, 1LAW · Last reviewed February 3, 2026
Legal Inquiry
Consumer Legal Issue
I sold a fifth wheel on Facebook marketplace listing everything that we knew was wrong with it and everything we personally fixed. A guy came to look at it and was given free reign to check it out. He asked about the furnace and was verbally told that I had no idea where the furnace was cause I never tried to use it. He bought it and a Bill of Sales was signed. He now wants to sue me because the heater doesn't work. Should I be worried?
No written agreement or documentation about the condition, only the listing on Facebook marketplace stating that it was twenty-six years old and in "good" condition. The Bill of Sales does state that the sale is without warranty and is sold as is.
Attorney Answer
You likely have two independent reasons not to worry: as a private, casual seller you probably never gave an implied warranty in the first place, and even if you had, your signed Bill of Sale disclaimed it.
Under Colorado Revised Statutes § 4-2-314, an implied warranty of merchantability in a sale of goods only arises when the seller is a "merchant" dealing in goods of that kind — a one-time private seller of a used fifth wheel generally isn't a merchant, so that warranty likely never attached to this sale at all. Separately, Colorado Revised Statutes § 4-2-316 allows sellers to disclaim implied warranties, and language like "as is" or "without warranty" satisfies that requirement when it plainly signals to the buyer that no implied warranty exists — which is exactly what your signed Bill of Sale states. That gives you two separate reasons a warranty claim is weak.
That leaves the buyer's only realistic legal theory as fraud or misrepresentation, which would require proving you knew about a specific defect in the furnace and concealed it from him. Based on what you've described, you told him directly that you didn't know the furnace's condition because you'd never tried to use it — a statement that undercuts, rather than supports, a concealment claim.
What you can do:
1. Keep a copy of the Facebook listing, your written disclosures, and the signed Bill of Sale.
2. Keep any record of the conversation where you told him you didn't know the furnace's condition.
3. If he pursues a claim or lawsuit, consult a Colorado attorney to confirm these defenses apply to your specific facts.
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Frequently Asked Questions
Does selling something "as is" protect a private seller from a lawsuit?
Generally, an "as is" disclaimer in a signed bill of sale can waive implied warranties, and private, non-merchant sellers often aren't subject to those warranties in the first place.
What must a buyer prove to win a misrepresentation claim after an as-is sale?
Generally, a buyer must show the seller knew about a specific defect and concealed it, rather than simply disclosing uncertainty about a component's condition.
What documentation helps a seller defend against a post-sale dispute?
Generally, keeping the original listing, any written disclosures, the signed bill of sale, and records of relevant conversations helps support a defense.
