All your missed questions are saved automatically for extra practice.
Already in Your Challenge Bank!™
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
Adding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 270 exam-like questions, a Pass Guarantee, personalized study plans, and more.
Based on 2025 QC commercial driver's licence manual
Updated for August 2025
Quebec Class 4 Licence Test 5
Quebec Class 4 Practice Test 5 is your preparation hub for driving a wide array of vehicles. Updated for August 2025, this set of 50 questions will prepare you for the SAAQ knowledge test, covering the specific skills needed for Class 4A emergency vehicles and Class 4B small passenger buses. From managing emergency scenarios to providing comfortable passenger transport, our practice test equips you with the necessary knowledge to handle the driving challenges of both subclasses with ease and competence.
Perfect for first-time and renewal commercial applicants, and those adding endorsements
Triple-checked for accuracy
About this test
5 out of 5 • 1 votes
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 is an advantage of automatic slack adjusters?
What is the best way to check for vehicles in your blind spot?
What is the best way to ensure that there are no vehicles or cyclists in your blind spot?
What is the main purpose of maintaining the correct air pressure in the tires?
What is the most important concern for a bus driver?
What is the purpose of an antilock braking system (ABS)?
What is the purpose of checking your vehicle's slack adjusters?
What is the wheelbase of a vehicle?
What is your most important concern when operating a vehicle used for transporting passengers?
What legal documents are all drivers required to have when operating a vehicle?
What should you do if your headlights fail?
When a tire is underinflated,
When another vehicle is merging into your lane from the right, you should
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 ZakhareuskiUpdated over a week ago
At Tests.ca, we understand the importance of reliable and accurate practice tests to help you prepare for your driver's knowledge 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 Driving Handbooks: Every question we develop is based on the most recent version of each province's official driving manual. Our team regularly monitors each province's official 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 provincial government 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 government 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 driver's knowledge exam.
Our Premium Membership comes with a Pass Guarantee (30-day access and longer). If you successfully complete all the practice tests for your province/territory, we promise you a passing grade on your official written knowledge test or we'll refund your money. Your most recent completion of all the tests should be not earlier than 30 days before your exam date.
To claim
Just send us an email with your full name (must match the name and email address used for your purchase at Tests.ca) within 30 days from the purchase of your Premium membership.
What happens next
We'll check your account to make sure you've successfully completed all practice tests for your state. Once that is confirmed, we'll issue a full refund (you'll receive a separate email confirmation).
