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Free CO DMV Diagnostic Test 2025
- Perfect for learner’s permit, driver’s license, and Senior Refresher Test
- Based on official Colorado Driver's manual
- Triple-checked for accuracy
- Updated for January 2025
There is no better place than Colorado to explore the great outdoors. Whether you’re going up the hill or towards the mountains, you won’t have to travel far to appreciate the natural beauty it has to offer. Although you won’t be seeing much if you need a Colorado driver’s license. That’s why you need to brush up on your knowledge of the rules and regulations that drivers must follow before you explore the High Country. Otherwise, you’ll be wearing out the soles of your snow boots down in the basin.
While you may already know some of the basic highway safety rules, the Colorado driver’s license knowledge test may contain some questions that are difficult to answer. Colorado requires you to answer 80% of the 25 questions correctly on your official driver’s knowledge test to receive a passing score. You’re not going to get there by messing around on the bunny slope. You’ll need to find a black diamond-level resource to thoroughly prepare you. Look no further! There is a resource available to you that can deliver the results you need.
This free Colorado DMV Diagnostic Driving practice test, based on the most recent Driver’s Handbook (Colorado DMV Handbook (CO Driver's Manual) 2025), has a proven record of preparing drivers to pass the official knowledge test on the first attempt. The practice test is up to date as of January 2025. It contains 15 of the most commonly missed questions like the ones on the official knowledge test. This technique allows you to concentrate your study on the more complex questions and spend less time on the ones you already know the answer to. The practice test is better than a study guide because it provides you with a detailed explanation of the answer to any question you miss. Study guides are designed for you to memorize the answers to questions. The practice test equips you with valuable information that can be used to improve your test score and apply to your daily driving performance.
For information about practice tests for other U.S. states and Washington D.C,, you don’t need to scale Pike’s Peak. Just head to https://driving-tests.org/academy/drivers-license.
5 min to complete
Available in EN, ES, RU
Ensuring the accuracy and quality of our program is paramount. Learn more about our rigorous standards in our Commitment to Accuracy article. 
Verified by Steven Litvintchouk,
Chief Educational Researcher, Member of ACES.
Chief Educational Researcher, Member of ACES.
Pass the first time,
guaranteed with Premium
guaranteed with Premium
What to expect on the actual CO DMV exam
25
questions
20
correct answers to pass
80%
passing score
15 y/o
minimum age to apply
More CO DMV Written Exam Resources
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Our commitment to accuracy and quality in our practice tests
Explore our rigorous, multi-tiered verification process that ensures each question mirrors the official manual for unparalleled accuracy.
Written by Andrei Zakhareuski Updated over a week ago
At Driving-Tests.org, we understand the importance of reliable and accurate practice tests to help you prepare for your DMV exam. That's why we've developed a meticulous process to create and continually update our practice questions, ensuring they reflect the most current driving laws and regulations.
Here's an inside look at how we maintain the highest quality in our practice tests.
Content Creation and Verification Process
- Alignment with Official Manuals:
Every question we develop is based on the most recent version of each state's official driving manual. Our team regularly monitors each state DMV's website for the latest updates to ensure our practice tests are always aligned with the most current information. - Community Feedback Integration:
We leverage feedback from our vast community of users to understand which topics are most frequently tested. This helps us focus on the areas that are most relevant and beneficial for your preparation. - Expert Content Creation:
Our in-house editor, Steven, who has extensive experience in driver education, crafts each question with precision. He conducts a thorough review of each question against the official manuals to ensure accuracy. - Rigorous Review Process:
Once Steven has finalized a set of questions, our team conducts a joint review session. This second level of scrutiny involves content accuracy, proofreading, and fact-checking to eliminate any errors. - User Feedback Mechanism:
After a question goes live on our site, we keep the lines of communication open. Each question features a feedback button, inviting users to report any issues or errors. This continuous feedback loop allows us to address and rectify any concerns promptly. - Responsive Updates:
In line with our commitment to accuracy, we quickly update our practice questions to reflect any changes in the DMV manuals. Additionally, we update the free electronic copy of the state's driver's license manuals on our site, typically within a few days after the DMV publishes them.
Our thorough quality control process ensures that you have access to practice tests that are as accurate and up-to-date as possible. We believe in the power of well-prepared drivers and are dedicated to providing you with the best study tools to help you succeed on your DMV exam.