Bill of Sale Aug 31, 2026
Are you considering selling your vehicle in Colorado? Trading it into a dealership is possible, but it can frequently leave you with less money than what you would have received from a private sale. Private sales require a larger investment of time, however, they usually give sellers a larger cash return than dealers do.
Going through all of the steps necessary to complete the sale (paperwork, pricing, etc.) will make you feel like you are driving up a high-grade mountain pass. With a good map, however, you can successfully navigate through the process and get to your destination.
This guide serves as your comprehensive guidebook on selling a car privately in Colorado. In this guide you will find detailed instructions on how to prepare your vehicle for sale, how to complete all of the necessary paperwork for selling your car and how to do so in accordance with the laws of Colorado. In addition, you will discover how to attract the best potential buyers, price your vehicle in a competitive manner and accomplish all legal requirements with confidence so that you are ready to complete the sale and maximize your profit.
Why You Should Sell Privately
One of the most common decisions when selling your car is whether or not to trade it into a dealership or sell it privately. Dealerships give you the convenience of having everything done for you, but you will typically be receiving less money (sometimes hundreds or thousands) than if you sold it privately.
When you sell your car privately, you set the selling price and negotiate directly with prospective buyers, thus putting more money into your pocket. The trade-off is that it requires more work before getting a larger financial gain.
Let's take a look at the pros and cons so that you can make an informed decision.
Pros of Selling Privately | Cons of Selling Privately |
Higher Selling Price: You can get closer to the car's market value. | Time-Consuming: The process can take weeks or longer. |
Full Control: You manage the entire process, from listing to negotiation. | More Effort Required: You handle all advertising, calls, and meetings. |
Direct Communication: Speak directly with buyers to answer questions. | Safety Concerns: You must be cautious when meeting strangers for test drives. |
Flexibility: You decide when and how to show and sell the car. | Paperwork Responsibility: You are responsible for all legal forms and title transfer. |
For many sellers selling their cars in Colorado, selling your car privately is a great opportunity to earn much higher profits at no extra cost.
Meet KarKiosk: The Seller’s Secret Weapon in Colorado
To simplify your car sale in Colorado, leverage seller-focused platforms like KarKiosk. Selling with KarKiosk gives you access to everything a seller needs to make the sale an easy and successful experience.
KarKiosk’s Unique Features
Multi-site Listings - when you post your car on KarKiosk, it will automatically be listed on major sites such as craigslist as well as being promoted on social media such as Facebook and Instagram to give your car the most exposure to local buyers.
Secure Communication - You can communicate with buyers by using the in-app messaging system or by using the integrated voice calling feature, so your private information will remain safe from buyers.
Complimentary KarReport - when listing your vehicle, a complimentary KarReport (vehicle history report) will be created to establish trust with prospective buyers.
25 High Resolution Photos - You can upload 25 high-resolution photos of your vehicle, using up to 250 free KarStudio credits for enhancing the photos (editing, filters, background removals, etc.), making it much easier to catch the eye of potential buyers.
Featured Listing - If you pay to have your car featured, your listing will receive up to 55% more exposure than a standard listing.
Immediate Notification of Buyer Contact and Interest - As soon as a buyer sends you a message (to leave a message, submit an offer or schedule a test drive), you will be immediately notified to give you an advantage over other sellers.
Dedicated Colorado-Based Customer Support - In the event you encounter an issue, the Colorado-based customer support team is available to help you!
With KarKiosk helping make private sales easier and less stressful, it’s no surprise that Coloradans are turning to them for great results without all the hassle.
Private Sale Requirements – What to Expect in Colorado
There are laws and paperwork that are required in private sales in Colorado. It’s best to become familiar with them by visiting the Colorado DMV website or speaking with your local County Clerk and Recorder's office.
What to Expect: There are several unique aspects to selling a vehicle in Colorado that you will need to be aware of. Some of these include:
Colorado will require vehicles sold in the Denver metro area and along the Front Range to have an emissions test performed on them.
License plates belong to sellers and not to buyers.
Sellers need to properly endorse the Certificate of Title to their vehicle and will ideally provide a Bill of Sale with it.
Step 1: Get Your Vehicle Ready for the Private Sale Market in Colorado
You only get one first impression and if your vehicle looks and operates great, that will draw in serious buyers and higher prices than if it did not.
Deep Cleaning: This should not be negotiable. You should wash and wax your vehicle, clean the windows, and vacuum the interior of your car. Don't forget to take any and all personal belongings out of the glove box, centre console, and trunk. A professional detail will likely pay for itself in increased sale price.
Minor Repairs: Take care of small items like burnt-out bulbs, wiper blades, and fluids. You don’t need to spend a lot of money making major repairs; however, showing the buyer that you have cared for your vehicle with small repairs will go a long way in building their trust.
Professional Photos: Take your car outside in the late afternoon hours (“golden hour”) to take advantage of Colorado’s natural light. This will allow you to take bright, attractive pictures of your car that will attract more buyers to your car.
Gather Your Paperwork: Without the proper documentation, you will not be able to sell your vehicle. Find your vehicle’s Certificate of Title. If you can’t find it, you will need to get a replacement from the Colorado DMV using Form DR 2539A. If you have a lien on your vehicle, you must first pay off the lender to receive a release of lien before you can sell your vehicle.
Bonus Tip: Highlight All-Weather Features
Because Colorado receives a considerable amount of snowfall, all-weather tires, heated seats, and all-wheel drive (AWD) are desirable features for potential buyers. Highlight these features in your listing to create additional interest for your vehicle, especially in communities such as Denver, Boulder, and Fort Collins.
Tips for Pricing Your Car in Colorado
When selling your vehicle, properly pricing it may mean the difference between a successful or unsuccessful sale. Here are some tips on how to establish a fair price for your vehicle:
Consider specific Colorado pricing considerations:
Mileage is critical, due to the long hours of driving to and from the ski resorts and in the mountains.
Request for 4WD/AWD vehicles, sunroofs, and other optional features.
Don’t be unrealistic; most buyers in Colorado expect honesty and a fair deal.
Vehicle Type | Average Private Sale Price (Colorado) | Most In-Demand |
Compact Cars | $5,000 – $12,000 | College towns |
Sedans | $7,000 – $18,000 | Urban/suburban |
SUVs/Crossovers | $12,000 – $35,000 | Mountain regions |
Trucks | $10,000 – $40,000 | Rural & ski areas |
Electric/Hybrid | $8,000 – $28,000 | Metro Denver/Boulder |
The approximate value of the item will depend on the year, mileage, andYour Vehicle Is Ready To Sell
Step 2: Creating a Listing That Gets Noticed
Consider making your vehicle feature-ready prior to sale. Examples include new tires, clear title, passing emissions, and even mountain-ready.
Selling It Right: Selling too high a price will deter buyers from purchasing your car; selling too low will cost you money. For fair pricing based on cars similar to your own, refer to the Colorado market's prices. It is wise to compare shops using the many tools and listings available on the Internet. Competitive prices will help sell the vehicle quickly.
Responding To Inquiries: Responding in a timely manner to the inquiries of potential buyers helps build rapport with the buyers while providing an opportunity to convert the inquiry into a sale.
Timely Responses: Purchases in Colorado are fast-moving, as most Colorado residents buy their vehicles locally. You should respond to inquiries promptly (within minutes to hours), as they expect a fast and friendly response.
Be Flexible: Mountain skiing equipment, handling in inclement weather, and economy on long drives to ski areas are common queries made by buyers.
Negotiate Fairly & Professionally: Know your bottom line before entering into negotiations. Back up your pricing with factual evidence that supports your price (consistent service records such as recently changed oil, emissions inspections passed, garage-kept in Boulder).
Meet In Safe/Public Place: When meeting with prospective buyers for a vehicle viewing, conduct your meeting in a safe, public place (e.g., parking lots at coffee shops, police stations, or other well-known public places).
Working With Buyers: Negotiate and Communicate Effectively
The success of private buyers is determined by the ability of the seller to communicate with them and make the sale.
Quick Response: Responding in less than 24 hours is common in Colorado because it is a local shopping environment and the customer expects to receive feedback immediately or within a few hours at the most.
Openly Answering Questions: Players in Colorado frequently want to know about how to transport their vehicle during the winter months, how well does the vehicle operate on mountain roads, and how much fuel should be needed to drive to ski resorts.
Negotiating Professionally: Be ready to negotiate, but know for yourself your bottom line. And use facts about the vehicle (i.e., oil changed last month, 2 years before emissions check needed, always kept in a garage in Boulder) that can help you support your selling price.
Schedule Interviews In Public Settings: When showing your vehicle, always do so in a public, well-lit area such as in the parking lot of a coffee shop, near the police department, or near a popular place of business.
Step 3: How to Manage Test Drives and Purchasers Securely
As soon as your advertisement goes live, inquiries about the vehicle will start to come in. Most platforms like KarKiosk allow for you to use their secure messaging and voice calling system to contact the buyers (i.e., you don't have to provide them with your personal telephone number).
Be Prompt in Responding: Active buyers will take quick action! You should respond to messages and calls as soon as possible to demonstrate you are an organized seller. Be prepared to answer any questions the buyer may have about the vehicle's history and condition.
Schedule Test Drives in an Area that Protects You: If buyers are serious about purchasing the vehicle they will want to check it out and test drive it. You should arrange for the test drive to occur at a publicly accessible, adequately lit place during daylight hours only. Good locations include the parking lot of the police station or a busy shopping center. Under no circumstance should you agree to meet the buyer at your residence.
Remember to be Safe: Request a photograph of the buyer's driver's license prior to allowing the buyer to take the test drive. If possible, consider bringing a friend or family member with you to meet with the buyer. Also, trust your instincts. If the situation doesn't feel right, you have the ability to leave the meeting.
Check with Your Insurer: In the State of Colorado, your automobile insurance generally extends to the test drive. However, check with your automobile insurer to confirm whether the insurance extends to the individual test driving the vehicle prior to allowing them to take the test drive. Do NOT hand over the keys unless you are present or have brought a companion with you.
Keep a Record of the Test Drive: For your protection, document the name, driver's license number, and license plate number of the test drive participant. Additionally, share the location of your scheduled test drive with your friend or family member in order to assist with your protection while meeting with a buyer.
Step 4: Document Who Drives The Vehicle For A Test Drive
You should document the driver's name, driver's license number, and vehicle license number for each driver that conducts a test drive of your vehicle along with sharing your schedule for the meeting and location with at least one other person.
Following steps necessary to complete the transfer of ownership in Colorado after an agreement is reached regarding the price of sale for your vehicle.
What Paperwork Is Required To Complete The Sale?
Document | Purpose | Who is Responsible? |
Certificate of Title | The official document proving ownership. | Seller signs over to the buyer. |
Bill of Sale (Form DR 2173) | A receipt for the transaction; highly recommended. | Both seller and buyer sign and keep a copy. |
Emissions Inspection Certificate | Required for most vehicles in the AIR Program area. | Seller provides to the buyer at the time of sale. |
Odometer Disclosure | Federal law requires this for most vehicles. | Completed on the back of the title. |
Title Signing Procedures:
The title signing is critical to the ownership transfer. A single error can invalidate the title and require a duplicate application to obtain a valid title.
The Assignment of Title area should be completed with:
A chapter will be provided at the back of the Colorado Certificate of Title. Below are instructions for filling out the contents:
Enter the full, legal name and address of the vehicle buyer.
Fill in the odometer reading (do not include the tenths of a mile).
Enter the date of sale and purchase price of the vehicle.
You must sign and print your name exactly as it appears on the front of the title. If the title indicates two owners “JTWROS” (Joint Tenancy with Right of Survivorship), both owners must sign.
Do not make corrections or use whiteout. If you make mistakes and leave room for corrections, you must obtain a new title.
The Bill of Sale:
The Bill of Sale (Form DR 2173) is the most important tangible evidence of the vehicle sale. It serves as proof of sale for both the seller and buyer. It should include the vehicle year, make, model, VIN, purchase price, date of sale, and the signatures of each party to the transaction. In addition, if applicable, the Bill of Sale may include the number of days that the seller has owned the vehicle.
Colorado Emissions Regulations:
If you own a vehicle that is registered in the Automobile Inspection and Readjustment (AIR) Program zone (including the Denver metropolitan area and other locations in the Front Range), you are required to furnish a valid emissions certificate to the buyer. The vehicle must have passed emissions testing within a reasonable time frame prior to the sale.
Exemptions may apply for all-electric cars, collectors’ vehicles (1975 or older), and vehicles that are less than seven-model years old. It is advisable to verify current rules and regulations from the DMV.
County/Area | Emissions Test Required? | Exemptions |
Denver Metro Area | Yes | New cars less than 7 years, EVs, classics |
Rural Counties | Often No | Check specific county rules |
Mountain Towns | Sometimes | Check for seasonal/air program updates |
Step 5: Finalizing Your Sale
When you're done signing all paperwork and depositing your payment, you're ready for the final steps.
Payment: The safest option for payment is to have a bank cashier's check for larger amounts of money, or they can also pay cash. If you're in a situation where you think a bank cashier's check is a better option for your buyer, take them to their bank, and have them get the check made out to you in front of you. They should not pay you with a personal check or payment app, as neither of these forms can be reversed or canceled by the buyer after driving away.
Remove and Keep Your License Plates Until You Get Your New Vehicle Registered. In Colorado, the license plate stays with the seller, as opposed to the car. To avoid confusion, please remove your license plates from the vehicle before your buyer leaves in their new vehicle. You can transfer any registration credit associated with those license plates to your new vehicle or return them to the DMV.
Cancel Your Insurance After Selling Your Vehicle. You should cancel your insurance policy when your old vehicle is gone.
File for Release of Liability with the Colorado DMV. You can file a Notice of Release of Liability with the Colorado DMV to release yourself from liability to the state for any future tickets or tolls you may incur due to the use of the vehicle after you sold it.
Give the Buyer All Keys and Fobs. You must give the buyer any and all sets of keys and/or fobs, including valet/spare keys, so they have all keys to the vehicle you sold them.
Some Mistakes to Avoid as a Seller in Colorado
You can save yourself from additional headaches and/or legal issues by avoiding some of these common mistakes when selling your vehicle:
Allowing the buyer to drive your vehicle off with your license plates on their vehicle: License plates are yours—never allow someone to drive away from your property with your license plates.
Incomplete documentation: Always verify your documentation for signs of proper completion, i.e., verifying that your signatures, dates, and details about the sale are documented correctly.
Misrepresenting the purchase price: Always report the actual sale price of your vehicle when you sell it, as it is illegal to misrepresent the sale price. You may face difficulty later from the buyer if you do.
Not clearing your personal information: Always wipe any personal information stored in Bluetooth systems, navigation systems, or dash-cams before selling your vehicle.
City | Hot Vehicle Types | Selling Tips |
Denver | SUVs, Hybrids, Sedans | Emissions up-to-date a must, winter tires bonus |
Boulder | Electric/Hybrid, SUVs | Highlight eco-features, clean energy perks |
Colorado Springs | Trucks, SUVs, Vans | Price for military/transplant buyers |
Fort Collins | Compact, Sedans, Hybrids | College town, small efficient cars sell fast |
Grand Junction | Trucks, ATVs, SUV | Mention off-road ready features |