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This page will provide you with an overview of what you need to do when buying a car in Illinois.

We’ll provide you with information about what to expect, the general process, and the documents and paperwork you will typically need. 

Quick facts for buying a used car in Illinois:

  • New owners have 20 days to transfer ownership. 
  • Standard license plates remain with the seller. 

What do you need to buy a car in Illinois?

Whenever you buy a car in Illinois, you’ll need to make sure you get all the paperwork needed to title and register the vehicle in your name. 

There are a few things you’ll usually always need when buying a used car in Illinois. They include:

  • The car’s title.
  • A bill of sale
  • An odometer disclosure statement.
  • Smog/safety inspection certificate. 
  • A VIN verification, if the car came from another state. 
  • Application for Illinois Title and Registration.
  • Current Illinois car insurance policy. 
  • Illinois registration and title fees. 
  • Sales taxes and local fees, if applicable. 

Before you decide to purchase the car, it’s also a smart idea to decode the VIN and get a vehicle history report

How to Buy a Used Car in Illinois

The process for buying a used car in Illinois depends on whether you are purchasing the vehicle from a private party or a car dealership. 

In general, car dealerships make the process easy and handle most of the paperwork for you. 

When buying from a private seller, you’ll want to make sure that you get all the necessary documents signed and filled out properly so that you’ll be able to transfer ownership of the car with no issues. 

Buying a Car from a Private Seller in IL

Before buying a car from a private seller, you’ll want to make sure you’re making a good purchase. Find some tips on buying a car from a private seller here. 

Here’s what you’ll need to receive from the seller when buying a car in Illinois:

Both your and the seller’s information and signatures are typically needed on the following documents:

  • Title. 
  • Bill of Sale. 
  • Odometer Disclosure Statement. 

In Illinois, standard license plates will stay with the seller.

If you need to drive the vehicle before you are able to transfer ownership, be sure to apply for temporary tags with the Illinois SOS first. 

Next, you’ll want to purchase a car insurance policy for the vehicle. Compare quotes from a few different providers to make sure you’re getting the best deal. 

When you buy a used car in Illinois, you’ll need to transfer ownership into your name within 20 days

Failing to do so may result in late fees or a back-dated registration. 

After the transaction is complete, you should be prepared with the following items to submit to the Illinois SOS in order to transfer ownership into your name:

  • The vehicle title, odometer statement, and bill of sale. 
  • Proof of safety and emissions inspection, if applicable. 
  • Proof of car insurance
  • An application for Illinois registration and title
  • Payment for the registration fees, title transfer fees, and sales taxes. 

When you visit the Illinois SOS, you should be prepared to provide appropriate proof of your identity and address. 

Buying a Car from a Dealership in IL

Illinois car dealerships are required to be registered with the SOS and follow state and federal regulations regarding inspections, disclosures, warranties, and processing. 

Many dealers are authorized to process and submit the necessary paperwork to the Illinois SOS in order to transfer ownership into your name. 

In this case, you’ll just need to fill out the paperwork with the dealer, provide the necessary documentation, and pay the fees. 

Your title, registration, and permanent license plates should arrive in the mail within a few weeks. 

Be sure to get your new car covered with a car insurance policy. 

If the car dealership you purchased the vehicle from doesn’t provide this service, you’ll need to make sure to receive all the necessary documents in order to title and register the vehicle as you would after buying a car from a private seller. 

Note that if you buy a car from an out of state dealer, you’ll also need to take care of the registration and title process yourself in most cases. 

For any questions or official information about your particular situation, please contact your Illinois SOS: https://www.ilsos.gov/