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Free IL DMV Diagnostic Test 2025

  • Perfect for learner’s permit, driver’s license, and Senior Refresher Test
  • Based on official Illinois Driver's manual
  • Triple-checked for accuracy
  • Updated for June 2025

Hey, Elwood! Are you looking to go beyond the cornfields and maybe head up to Wrigley to catch a game or spend some time self-reflecting in the Garden of The Gods Wilderness? Then, you’d better speak up and find some help getting a {state-name| driver’s license. If not, you might be left feeling a little salty after being taken by a group of your buddies on Cheap Trick Day. First, you’ll need to know what to expect and how to prepare yourself for success.

Illinois requires you to take a knowledge test and answer 80% of the 35 questions correctly to receive a passing score. You may already know a thing or two about how to safely operate a vehicle, but some of the questions on the official knowledge test may be worded confusingly. These are the questions you’re going to spend extra time preparing to answer. Forget about going over the things you already know! That approach is only going to lead to spinning your wheels and not being authorized to cruise down Route 66. Not to worry! You’re going to be smarter and use the premier resource for knowledge test preparation.

Our free Illinois DMV Diagnostic Driving practice test is based on the most recent Illinois Driver’s Manual and up to date as of June 2025. It’s a great resource to help you thoroughly prepare to pass your knowledge test on the first try. With questions just like the ones you’ll see on the official knowledge test, the practice test can assess your readiness. The practice test consists of 15 questions identified as the ones most commonly missed on the Illinois knowledge test. If you submit an incorrect answer, you will receive immediate feedback, including a detailed explanation of what you misunderstood. The practice test is more effective than a study guide because you are not just memorizing the answers to the question. It goes a step further and helps you learn the information that supports the correct answers.

If you are looking for other practice tests across the nation, you won’t find them in a Sears catalog. Just visit https://driving-tests.org/academy/drivers-license.

Pass the first time with Premium
IL DMV driver's license
  • Perfect for learner’s permit, driver’s license, and Senior Refresher Test
  • Triple-checked for accuracy

What you need to know

5 min to complete
Available in EN, ES, RU
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article.

What to expect on the actual IL DMV exam

35

questions

28

correct answers to pass

80%

passing score

15 y/o

minimum age to apply

Are you in another state?

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Experience the Driving-Tests difference
Since our foundation in 2010, Driving-Tests.org has led the way in online driver's education, with over a decade of experience. Our dedicated experts, bringing together more than 50 years of collective expertise, have established us as the largest non-governmental organization in the U.S. solely focused on driver education. We go beyond the official manuals, offering unique interactive experiences and support like audio guides and an AI Assistant, to cater to different learning styles and needs.
Helping hundreds of thousands to ace their tests, our resources have earned a 4.7-star rating from over 14,500 reviews. Our goal is to make your path to becoming a confident driver as straightforward and effective as possible.
 (3 mistakes allowed to pass)
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