Free Michigan CDL practice test with real commercial driving questions. Prepare for your Michigan CDL exam — General Knowledge, Air Brakes, HazMat, and all endorsements. Updated for 2026.
The Michigan SOS CDL knowledge test has 50 questions for General Knowledge, with additional 20–30 question tests for each endorsement (Air Brakes, HazMat, Tanker, etc.). You need 80% to pass each section. Michigan allows learner's permits at 14 years, 9 months — one of the youngest minimum ages.
The Michigan SOS knowledge exam tests your understanding of Michigan traffic laws, road signs, and safe driving practices. DriveAce covers every topic you'll encounter on test day.
Vehicle inspection, cargo management, driving techniques, and documentation for Michigan CDL.
Air brake system components, inspection, emergency stops, and maintenance tested by the Michigan SOS.
Hazardous materials classification, placarding, loading/unloading rules for Michigan CDL endorsement.
Liquid surge, rollover prevention, loading and unloading procedures for Michigan tanker endorsement.
Coupling, uncoupling, stability, and safe driving with multiple trailers under Michigan CDL rules.
Passenger safety, school bus operations, railroad crossings, evacuation for Michigan CDL.
The Michigan SOS CDL General Knowledge test has 50 questions. You need 80% (40 correct) to pass. Each CDL endorsement — Air Brakes, HazMat, Tanker, Doubles/Triples, Passenger, School Bus — has an additional 20–30 question test, each also requiring 80%.
DriveAce covers all major Michigan CDL endorsements: General Knowledge, Air Brakes, HazMat (Hazardous Materials), Tanker Vehicles, Doubles/Triples, Passenger Vehicles, and School Bus. All practice questions are based on Michigan SOS CDL requirements.
Yes — DriveAce offers free CDL practice questions for Michigan. Study General Knowledge and endorsement-specific questions that mirror the real Michigan SOS CDL exam. Full access to all practice questions is available for a one-time $19.99 fee.
You need to score 80% on the Michigan CDL General Knowledge test and each endorsement test. DriveAce practice tests use the same 80% passing threshold, so you always know when you're ready for the real exam at the Michigan SOS.
Join thousands of drivers who passed their Michigan CDL exam on the first try with DriveAce. No subscription. No ads. Just the knowledge you need.
Start Free Practice Test →$19.99 one-time for full access. 20 free questions included.