Oklahoma CDL General Knowledge Practice Exam 2026

The Oklahoma CDL general knowledge test is the written exam standing between you and your Commercial Learner's Permit, and this simulator recreates it question for question. How many questions are on the exam, and what score do you need? The Oklahoma CDL knowledge test has 50 questions, and you must answer 80 percent, or 40 of them, correctly to pass. That threshold is set by the federal FMCSA and applies in every state.

This commercial drivers license test covers the complete General Knowledge syllabus: vehicle inspection, basic control, shifting, braking, space and speed management, seeing hazards, and emergency response. Treating this CDL exam rehearsal like the real thing, timed and without notes, is the surest way to know where you actually stand.

When a missed item reveals a gap, the Oklahoma Commercial Driver License Manual is your source of truth for the correct rule and the reasoning behind it. Keep taking this 2026 CDL knowledge test until a passing score is routine, then head to Service Oklahoma ready to earn your permit.

Keep going:

• Oklahoma CDL Practice Test
• Oklahoma CDL Practice Test 2
• Oklahoma CDL Practice Test 3
• Oklahoma CDL Practice Test 4
• Oklahoma Air Brakes Practice Test
• Oklahoma CDL Combination Practice Test
• Oklahoma CDL Pre-Trip Inspection Practice Test
• Oklahoma Hazmat Practice Test
• Oklahoma Class A CDL Practice Test
• Oklahoma CDL Practice Test

Every question traces back to the Oklahoma CDL Manual - skim the right-of-way and signs chapters before your retake.