Colorado Bill of Sale Requirements
As of 2026, Colorado strongly recommends a signed bill of sale for private vehicle transfers. Colorado does not require notarization for standard private-party sales.
Required Fields
- 1Full legal names and addresses of buyer and seller
- 2VIN (17 characters)
- 3Year, make, model, and color of the vehicle
- 4Odometer reading in miles (required)
- 5Sale price in numerals and written form
- 6Sale date
- 7Signatures of both buyer and seller
Colorado-Specific Requirements
✓ Colorado does not require notarization for a standard private-party bill of sale.
Official Colorado Form
Colorado has an official form: Bill of Sale for a Motor Vehicle (DR 2173). Obtain from the Colorado DMV.
Frequently Asked Questions
Is a bill of sale required in Colorado?▾
Colorado strongly recommends a bill of sale for all private vehicle sales. While a signed title alone may technically complete the transfer, a bill of sale protects both parties from disputes over the sale price, odometer reading, and vehicle condition.
What must be on a Colorado vehicle bill of sale?▾
A Colorado vehicle bill of sale must include: buyer and seller full legal names and addresses, the VIN, year, make, model, odometer reading, sale price (written and numeric), sale date, and signatures of both parties.
Does Colorado require an emissions test for private sales?▾
Yes — Colorado requires an emissions or smog test before the buyer can register a vehicle. Check with the Colorado DMV for specific requirements in your county.
Create a Colorado-compliant bill of sale
Create Colorado Bill of Sale →More Colorado guides
- How to Transfer a Car Title in Colorado
- How to Write a Bill of Sale in Colorado
- How to Sell a Car Privately in Colorado
- Does Colorado Require Notarization for a Bill of Sale?
- Colorado Title Transfer Fees & Vehicle Taxes
- Colorado car bill of sale generator
- Colorado bill of sale (all vehicles)
- Bill of Sale Requirements — all states
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