CDL Master Prep
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Get Ready to Pass Your CDL Exam.

Practice CDL questions, learn vehicle inspection skills, and prepare with interactive study tools.

Practice TestsGeneral KnowledgeAir BrakesCombination VehiclesPre-Trip InspectionAI Coach
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No account needed for the sample quiz. No credit card required.

What CDL Master Prep includes:

  • General Knowledge practice tests
  • Air Brakes practice tests
  • Combination Vehicles practice tests
  • Interactive pre-trip training
  • AI coach
  • Free 5-question sample quiz

Free to start. Upgrade only if you want more.

One-time payment, no subscription.

Free

Try it right now

$0

  • Free sample quiz, no account needed
  • 25 practice questions per day with a free account
  • Save your progress and study on any device
  • 5 AI coach questions per day
  • Endorsement packs, pre-trip simulator and career tools
Create Free Account

Lifetime

Study until you pass

$14.99 one time

  • Unlimited practice tests
  • Timed exam mode
  • Pre-trip inspection simulator
  • All endorsement study packs
  • HazMat placard trainer
  • Full progress analytics
  • AI coach, 50 questions per day
See All Plans

Try a free General Knowledge quiz

No sign-up required. Answer 5 real CDL questions, see the explanation for each one, and get your score.

Free General Knowledge Quiz

1 of 5

Guest practice — your score for this session is shown at the end and isn't saved after you leave. Create a free account to keep your scores and progress.

What is the minimum following distance for a commercial vehicle at speeds under 40 mph?

Want to save your progress and keep studying on any device? Create Free Account

Frequently Asked Questions

How much does CDL Master Prep cost?

It is free to start. Lifetime is $14.99 and Pro is $24.99.

Do I need to sign up to try it?

No. The 5-question sample quiz needs no sign-up.

What tests does it cover?

General Knowledge, Air Brakes, and Combination Vehicles, plus interactive pre-trip training.

What does the AI coach do?

The AI coach is part of your all-in-one study companion, alongside practice tests and pre-trip training.

Where do I start?

Start with the free CDL quiz.