Free CDL Practice Test 2026 - General Knowledge
600 questions. Six tests weighted like the real exam. Tuned for mobile. No account needed.
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The CDL exam at a glance
The CDL general knowledge test typically has 50 multiple-choice questions, and you need 40 correct (80%) to pass. It is taken at your state's licensing agency and is required for every class of commercial driver's license. Questions come from the CDL manual: inspection, safe driving, braking, cargo and emergencies.
TigerTest has 300 CDL practice questions with explanations, all free with no account required.
- Questions
- 50 (typical)
- Passing score
- 80% (40 correct)
- Where
- Your state's driver licensing office
- Required for
- Class A, B and C commercial licenses
Updated by the TigerTest team. Practice questions follow the FMCSA-based CDL manual every state uses. Exam rules change, so confirm current details with FMCSA.
How It Works
Training Mode
Learn CDL questions on your phone anywhere. Study vehicle inspection, braking systems, and cargo handling with instant feedback after each answer.
Practice Tests
Take full 50-question tests that simulate the real CDL exam. Practice under test conditions to build confidence for exam day.
"Passed my CDL test on the first try after using TigerTest for just one week"
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CDL Questions Based on Federal Standards
Unlike state driving tests, CDL requirements are federally regulated. Our questions cover the exact topics from the official CDL manual that appears on your actual test.
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Have an idea, a topic you'd like covered, or a question that could be clearer? We read every message and use it to improve every test.
Share FeedbackHow to Pass Your CDL General Knowledge Test
1. Study the CDL Manual Thoroughly
The CDL manual covers all federal regulations for commercial driving. Every question on your test comes directly from this material. TigerTest's 600 practice questions are based on the latest CDL manual content.
2. Master Vehicle Inspection Procedures
Vehicle inspection is a major component of the CDL test. Use TigerTest's training mode to learn the step-by-step inspection process, what to check, and how to identify potential problems.
3. Practice with Realistic Test Conditions
Once you've completed the training sets, take our six practice tests to simulate the real CDL exam. Each test has 50 questions with 80% pass requirement (40/50 correct). Aim for consistent 80%+ scores.
4. Focus on Your Weak Areas
TigerTest tracks your performance across different topics like braking systems, cargo handling, and hazmat basics. Spend extra time on topics where you're struggling to ensure you're ready for every question type.
CDL Test Frequently Asked Questions
How many questions are on the CDL general knowledge test?
The CDL general knowledge test typically has 50 questions, and you need to answer 40 correctly (80%) to pass. TigerTest offers 600 practice questions to ensure you're fully prepared for every possible question topic.
Is TigerTest CDL practice test free?
Yes! You can take all six CDL practice tests and every training set completely free. No hidden costs, premium requirements, or account registration needed.
What topics are covered in the CDL practice test?
Our CDL practice tests cover vehicle inspection procedures, safe driving practices, braking systems (including air brakes), cargo handling and securement, hazmat basics, and all other topics from the official federal CDL manual.
How should I study for the CDL general knowledge test?
Start with TigerTest's training mode to learn questions with instant feedback. Complete all six topic training sets, focusing on weak areas. Then take the practice tests to simulate the real exam. Most successful candidates score 80%+ consistently on practice tests before taking the real exam.
Do I need a CDL permit before taking the general knowledge test?
No, the general knowledge test is typically the first step in getting your CDL permit. After passing the general knowledge test and any required endorsement tests, you'll receive your Commercial Learner's Permit (CLP), which allows you to practice driving.
How long should I study before taking the CDL test?
Most successful candidates study for 1-2 weeks using TigerTest. Complete all six training sets (about 30-45 minutes each), then take practice tests until you consistently score 80% or higher. Some people need only a few days, others prefer 2-3 weeks of preparation.
I teach CDL classes or run a truck driving school. Can my students use TigerTest?
Yes, for free. Make a class, post one link, and students join with just their name. You see who practiced, their test scores and the topics your class misses most.
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